Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
218 FZUS51 KBOX 020204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 PM EDT Sat Jun 1 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-021500- 1004 PM EDT Sat Jun 1 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure continue to remain in control tonight and tomorrow. Winds tonight could get a bit gusty up to 20 knots after sunset through sunrise tomorrow. High pressure looks to remain in control through mid week with the next chance for rain at the end of next week. $$ ANZ250-021500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and SW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 9 seconds. .SUN NIGHT...SW winds around 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 5 seconds. .MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and W 1 foot at 3 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: E 1 foot at 5 seconds and E 1 foot at 8 seconds, becoming S 1 foot at 2 seconds and E 1 foot at 4 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 2 to 3 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-021500- Massachusetts Bay and Ipswich Bay- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and SW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 9 seconds. .SUN NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 9 seconds. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 4 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and E 1 foot at 9 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 4 seconds. .WED AND WED NIGHT...S winds 10 to 15 kt. Seas around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. 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. $$ ANZ231-021500- Cape Cod Bay- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 9 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and NE 1 foot at 4 seconds. .MON...N winds around 5 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 2 seconds. .TUE NIGHT...SE winds around 5 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 4 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-021500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 7 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SUN NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at 5 seconds. .MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and NE 1 foot at 4 seconds. .MON NIGHT AND TUE...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 foot at 4 seconds. .TUE NIGHT...E winds around 5 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 5 seconds and S 1 foot at 6 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. 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. $$ ANZ255-021500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SW 2 ft at 5 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 3 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 5 seconds. Patchy fog in the evening with vsby 1 to 3 NM. .MON...W winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 4 seconds. .MON NIGHT THROUGH TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 foot at 2 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and E 2 ft at 8 seconds. .THU NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-021500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SW winds 5 to 10 kt, becoming SE. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. .SUN...SE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 4 seconds. Patchy fog. Vsby 1 NM or less in the afternoon. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 4 seconds. Patchy fog in the evening with vsby 1 NM or less. .MON...W winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .MON NIGHT THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 2 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 8 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely. 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. $$ ANZ232-021500- Nantucket Sound- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SE 2 ft at 4 seconds and SE 1 foot at 8 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 9 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 4 seconds. .MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and W 1 foot at 4 seconds, becoming NE 1 foot at 2 seconds and SW 1 foot at 5 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds. .TUE NIGHT...E winds around 5 kt, becoming S after midnight. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 5 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-021500- Vineyard Sound- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...S winds around 5 kt, becoming SE. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 8 seconds, becoming SW 1 foot at 4 seconds and E 1 foot at 4 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 4 seconds. .MON...NW winds around 5 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 5 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. 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. $$ ANZ234-021500- Buzzards Bay- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 4 seconds. .MON...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 5 seconds. .MON NIGHT AND TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds. .TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-021500- Rhode Island Sound- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SW winds 5 to 10 kt, becoming SE. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 3 seconds. Patchy fog. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or less in the afternoon. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog in the evening with vsby 1 to 3 NM. .MON...W winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 2 seconds. .MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at 2 seconds. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 6 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. 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. $$ ANZ237-021500- Block Island Sound- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SW winds 5 to 10 kt, becoming S. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 7 seconds. .SUN...SE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or less in the afternoon. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 4 seconds. .MON...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds. .MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at 2 seconds. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 6 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-021500- Boston Harbor- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Waves around 2 ft. .SUN...S winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .SUN NIGHT...S winds around 5 kt, becoming W after midnight. Waves 1 foot or less. .MON...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .MON NIGHT AND TUE...E winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .WED AND WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. 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. $$ ANZ236-021500- Narragansett Bay- 1004 PM EDT Sat Jun 1 2024 .OVERNIGHT...SW winds around 5 kt, becoming SE. Waves 1 foot or less. .SUN...S winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .MON...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .MON NIGHT...E winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .TUE AND TUE NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .WED AND WED NIGHT...S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston