Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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829 FZUS51 KBOX 061103 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 703 AM EDT Thu Jun 6 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-070000- 703 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. $$ ANZ250-070000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 703 AM EDT Thu Jun 6 2024 .TODAY...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds. A slight chance of showers. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI...NW winds around 5 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 3 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-070000- Massachusetts Bay and Ipswich Bay- 703 AM EDT Thu Jun 6 2024 .TODAY...SE winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 9 seconds. A slight chance of showers. Patchy fog this afternoon. Vsby 1 to 3 NM. .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. Vsby 1 to 3 NM. .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. .FRI NIGHT...E winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 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 8 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 8 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. $$ ANZ231-070000- Cape Cod Bay- 703 AM EDT Thu Jun 6 2024 .TODAY...S winds around 10 kt. Gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 8 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 3 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .FRI...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 2 seconds. .SAT AND SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 8 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-070000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 703 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 9 seconds. Patchy fog. A chance of showers. Isolated tstms this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .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. 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. $$ ANZ255-070000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 703 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...S winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and S 4 ft at 6 seconds. Patchy dense fog this morning, then patchy fog this afternoon. Showers with isolated tstms this morning, then a chance of showers this afternoon. Some tstms may produce heavy rainfall this morning. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...SW winds around 10 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 4 seconds. .SUN THROUGH MON...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-070000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 703 AM EDT Thu Jun 6 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, building to 4 to 5 ft this afternoon. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 8 seconds, becoming S 5 ft at 8 seconds and S 4 ft at 5 seconds. Patchy dense fog this morning, then patchy fog this afternoon. Showers with isolated tstms this morning, then a slight chance of showers this afternoon. Some tstms may produce heavy rainfall this morning. 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 5 ft at 7 seconds. Patchy fog in the evening. A chance of showers in the evening with 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. .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: S 4 ft at 8 seconds and W 2 ft at 4 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 7 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. $$ ANZ232-070000- Nantucket Sound- 703 AM EDT Thu Jun 6 2024 .TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. Patchy dense fog this morning, then patchy fog this afternoon. A chance of showers with isolated tstms this morning, then a chance of showers this afternoon. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 9 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-070000- Vineyard Sound- 703 AM EDT Thu Jun 6 2024 .TODAY...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. Showers. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds. Patchy fog in the evening. A chance of showers in the evening with 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. .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: S 3 ft at 8 seconds and SW 2 ft at 4 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. 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. $$ ANZ234-070000- Buzzards Bay- 703 AM EDT Thu Jun 6 2024 .TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds. Patchy fog in the evening. A chance of showers in the evening with vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 4 seconds. .FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 8 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds. A chance of showers. .MON AND MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-070000- Rhode Island Sound- 703 AM EDT Thu Jun 6 2024 .TODAY...S 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 S 3 ft at 5 seconds. Patchy fog. Showers with isolated tstms this morning, then a chance of showers this afternoon. Some tstms may produce heavy rainfall this morning. 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 in the evening. A chance of showers in the evening with 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. .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 4 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. $$ ANZ237-070000- Block Island Sound- 703 AM EDT Thu Jun 6 2024 .TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and S 2 ft at 5 seconds. Patchy fog. Showers with isolated tstms this morning, then a slight chance of showers this afternoon. Some tstms may produce heavy rainfall this morning. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. Patchy fog in the evening. A chance of showers in the evening with vsby 1 to 3 NM. .FRI...W winds around 5 kt, becoming SW in the afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. .FRI NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 1 foot at 3 seconds. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 3 seconds. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-070000- Boston Harbor- 703 AM EDT Thu Jun 6 2024 .TODAY...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Patchy fog this afternoon. Vsby 1 to 3 NM. .TONIGHT...SE winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. A chance of showers in the afternoon. .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. $$ ANZ236-070000- Narragansett Bay- 703 AM EDT Thu Jun 6 2024 .TODAY...S winds around 10 kt. Waves 2 to 3 ft. Patchy fog. Showers likely, mainly this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers in the evening with vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .MON AND MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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