Coastal Waters Forecast
Issued by NWS Boston, MA

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554 FZUS51 KBOX 061403 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1003 AM EDT Thu Jun 6 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-070300- 1003 AM EDT Thu Jun 6 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres moves across the waters today and this evening, exiting on Fri. A cold front sweeps across the waters Fri night followed by a wind shift to W through Sat. As series of weak fronts move across the waters Sun and Mon. $$ ANZ250-070300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 9 seconds. Patchy fog. A slight chance of showers. A chance of showers. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...NW winds around 5 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 1 foot at 2 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at 3 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-070300- Massachusetts Bay and Ipswich Bay- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 9 seconds. Patchy fog. A slight chance of showers. A chance of showers. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 9 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...NW winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...E winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 2 seconds. A chance of showers in the evening. .SAT AND SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 9 seconds. .SUN THROUGH MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 9 seconds. A chance of showers. .MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ231-070300- Cape Cod Bay- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds around 10 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 8 seconds. Patchy fog. A chance of showers, then a chance of showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 3 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 2 seconds. .SAT AND SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 2 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-070300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1003 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 9 seconds. Patchy fog. Showers with isolated tstms. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 9 seconds and SW 3 ft at 5 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .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 W 2 ft at 4 seconds. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ255-070300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1003 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...S winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and S 4 ft at 6 seconds. Patchy fog. Isolated tstms. Showers, then a chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds around 10 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 5 seconds. .SUN THROUGH MON...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-070300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1003 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Patchy fog. Showers with a slight chance of tstms. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds. Patchy fog in the morning. .FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt. Seas 3 to 4 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. $$ ANZ232-070300- Nantucket Sound- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. Patchy fog. Showers with isolated tstms. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-070300- Vineyard Sound- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. Isolated tstms. Showers. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds around 5 kt, increasing to around 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT 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 S 3 ft at 8 seconds. .SUN AND SUN NIGHT...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. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 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. $$ ANZ234-070300- Buzzards Bay- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. Patchy fog. Isolated tstms. Showers, then showers likely. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-070300- Rhode Island Sound- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and S 3 ft at 5 seconds. Patchy fog. Showers with isolated tstms. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. Patchy fog in the morning. .FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 5 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 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. $$ ANZ237-070300- Block Island Sound- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and S 3 ft at 8 seconds. Patchy fog. Showers likely with isolated tstms. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...W winds around 5 kt, becoming SW in the afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. Patchy fog in the morning. .FRI NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 3 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 3 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-070300- Boston Harbor- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A slight chance of showers, then a chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less. .TONIGHT...SE winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less. .FRI...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .FRI NIGHT...NE winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. A chance of showers in the evening. .SAT AND SAT NIGHT...SW winds 10 to 15 kt. Waves around 2 ft. .SUN THROUGH MON...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. A chance of showers. .MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-070300- Narragansett Bay- 1003 AM EDT Thu Jun 6 2024 .THIS AFTERNOON...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Showers likely with isolated tstms. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog in the morning. .FRI NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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