Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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105 FZUS51 KBOX 070203 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1003 PM EDT Sat Jun 6 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-071500- 1003 PM EDT Sat Jun 6 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will approach from the west later today into tonight and cross the waters on Sunday. This will bring scattered showers and thunderstorms to the waters tonight. This will be followed by a ridge of high pressure taking control of the waters through the middle of next week. $$ ANZ250-071500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1003 PM EDT Sat Jun 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .OVERNIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. Scattered showers with a chance of tstms, then a slight chance of showers. Patchy fog. Some tstms may produce damaging winds, frequent lightning, and heavy rainfall. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and NE 4 ft at 8 seconds. Scattered showers in the evening. .MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds. .MON NIGHT...W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 1 foot at 4 seconds. .TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NE 2 ft at 7 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-071500- Massachusetts Bay and Ipswich Bay- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Showers likely with a chance of tstms, then scattered showers. Patchy fog. Some tstms may produce damaging winds, frequent lightning, and heavy rainfall. Vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 8 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds. Scattered showers in the evening. .MON...N winds 15 to 20 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds. .MON NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 1 foot at 6 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NE 2 ft at 7 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-071500- Cape Cod Bay- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 9 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning. Showers likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds. Showers likely in the evening. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds. .MON NIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft at 6 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-071500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 1003 PM EDT Sat Jun 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers, then scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .SUN NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 3 ft at 5 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds. .MON NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: N 5 ft at 7 seconds, becoming N 3 ft at 7 seconds. .TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and SW 2 ft at 5 seconds. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-071500- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 1003 PM EDT Sat Jun 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and W 5 ft at 9 seconds. A chance of showers in the evening. .MON...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SW 3 ft at 5 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-071500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 1003 PM EDT Sat Jun 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 4 ft at 5 seconds and SE 3 ft at 8 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and S 4 ft at 7 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 6 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 3 ft at 6 seconds. .WED...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 9 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers. .THU...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-071500- Nantucket Sound- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and NW 2 ft at 4 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and W 1 foot at 6 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and NE 2 ft at 7 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds. .WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-071500- Vineyard Sound- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and S 2 ft at 8 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 3 ft at 8 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and W 1 foot at 6 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 9 seconds. .WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-071500- Buzzards Bay- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and S 2 ft at 9 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 2 ft at 5 seconds. Scattered showers in the evening. .MON...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and W 1 foot at 6 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 3 seconds. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-071500- Rhode Island Sound- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 3 ft at 5 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and W 2 ft at 7 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. .WED...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and SE 1 foot at 9 seconds. .WED NIGHT...SW winds 15 to 20 kt. Seas around 2 ft. A chance of showers. .THU...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-071500- Block Island Sound- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. Scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds and SE 3 ft at 8 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. Scattered showers in the evening. .MON...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 6 seconds and W 1 foot at 6 seconds. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-071500- Boston Harbor- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds around 10 kt. Gusts up to 20 kt. Waves around 2 ft. Showers likely with a chance of tstms, then scattered showers. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers in the afternoon. .SUN NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely in the evening. .MON...N winds 15 to 20 kt, becoming E 5 to 10 kt in the afternoon. Waves around 2 ft. .MON NIGHT THROUGH TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-071500- Narragansett Bay- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Scattered showers. .SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers in the afternoon. .SUN NIGHT...N winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Scattered showers in the evening. .MON...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. .MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-071500- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and S 4 ft at 5 seconds. A slight chance of showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft at 8 seconds and NW 4 ft at 4 seconds. Showers likely in the evening. .MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft at 6 seconds. .TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and NE 2 ft at 6 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-071500- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 5 ft at 7 seconds. A slight chance of showers, then scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and S 5 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...NW winds around 15 kt, becoming N after midnight. Gusts up to 30 kt. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: S 5 ft at 7 seconds and NW 3 ft at 4 seconds, becoming E 5 ft at 7 seconds and NW 3 ft at 5 seconds. Scattered showers in the evening. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds. .MON NIGHT...NW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Wave Detail: N 5 ft at 7 seconds. .TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and NE 3 ft at 7 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-071500- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers, then scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds around 15 kt with gusts up to 20 kt. Seas around 5 ft. Wave Detail: SW 5 ft at 7 seconds and S 5 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. Wave Detail: SW 5 ft at 7 seconds and SW 5 ft at 8 seconds. .MON...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: N 6 ft at 6 seconds. .MON NIGHT AND TUE...W winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NE 5 ft at 7 seconds and W 3 ft at 5 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and NE 2 ft at 9 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-071500- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 1003 PM EDT Sat Jun 6 2026 .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers, then scattered showers. Patchy fog with vsby 1 to 3 NM. .SUN...SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...NW winds 10 to 15 kt, becoming N after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds. Scattered showers in the evening. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds. .MON NIGHT AND TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and NE 4 ft at 7 seconds. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and NE 2 ft at 8 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers. .THU...SW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston