Coastal Waters Forecast
Issued by NWS Boston, MA

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923 FZUS51 KBOX 232005 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Sun Jun 23 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-240900- 404 PM EDT Sun Jun 23 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure will pass well to the north and bring a cold front across the waters Monday. High pressure builds in for Tuesday. Another cold front moves through late Wednesday and early Thursday with high pressure building in for Friday and Saturday. $$ ANZ250-240900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 foot at 9 seconds. A chance of showers. Isolated tstms this evening, then a slight chance of tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM. .MON...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 8 seconds and SW 3 ft at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 9 seconds and W 2 ft at 3 seconds. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 3 ft at 9 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-240900- Massachusetts Bay and Ipswich Bay- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 10 seconds. A chance of showers. Isolated tstms. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds. .MON NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 6 seconds. .TUE...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 5 seconds. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at 4 seconds. A chance of showers in the afternoon. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...S winds 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. $$ ANZ231-240900- Cape Cod Bay- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at 10 seconds. A chance of showers with a slight chance of tstms. Vsby 1 to 3 NM after midnight. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 9 seconds and SW 2 ft at 3 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 9 seconds. .TUE...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and W 1 foot at 4 seconds. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the evening. Showers likely after midnight. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI AND FRI NIGHT...NE winds 5 to 10 kt, becoming SE. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-240900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING... .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: S 7 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers this evening, then showers likely with a slight chance of tstms after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: S 7 ft at 8 seconds and W 2 ft at 5 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds and W 2 ft at 4 seconds. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 9 seconds and N 2 ft at 4 seconds. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and S 3 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SE 2 ft at 9 seconds. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...NE winds 5 to 10 kt, becoming SE. 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. $$ ANZ255-240900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING... .TONIGHT...SW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 8 seconds and SW 2 ft at 4 seconds. A chance of showers this evening, then showers likely with a chance of tstms after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: S 9 ft at 9 seconds and SW 1 foot at 4 seconds. Showers likely in the morning with vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: S 8 ft at 9 seconds and W 1 foot at 3 seconds, becoming S 7 ft at 9 seconds and W 1 foot at 4 seconds. .TUE...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and SE 3 ft at 9 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and SW 2 ft at 4 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers after midnight. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-240900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING... .TONIGHT...SW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 8 seconds and S 2 ft at 8 seconds. A chance of showers with isolated tstms this evening, then showers likely with a chance of tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 7 to 10 ft. Wave Detail: S 9 ft at 9 seconds and SW 1 foot at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Wave Detail: SW 7 ft at 9 seconds and NW 2 ft at 4 seconds. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: S 5 ft at 8 seconds and NW 2 ft at 4 seconds, becoming S 4 ft at 8 seconds and W 1 foot at 4 seconds. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and SW 2 ft at 4 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE winds 5 to 10 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. $$ ANZ232-240900- Nantucket Sound- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...SW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and SW 4 ft at 4 seconds. A chance of showers this evening, then showers likely with a chance of tstms after midnight. Vsby 1 to 3 NM. .MON...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SW 4 ft at 8 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft, subsiding to 2 to 4 ft after midnight. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 9 seconds, becoming W 2 ft at 3 seconds and SW 2 ft at 9 seconds. .TUE...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 8 seconds. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and N 1 foot at 4 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 7 seconds. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW. Seas 2 to 3 ft. A chance of showers. .FRI AND FRI NIGHT...NE winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-240900- Vineyard Sound- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers with isolated tstms this evening, then showers likely with a chance of tstms after midnight with vsby 1 to 3 NM. .MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 9 seconds and SW 2 ft at 4 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and W 1 foot at 4 seconds. .TUE...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 8 seconds and SE 2 ft at 9 seconds. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 2 ft at 4 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers in the evening, then showers likely after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE 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. $$ ANZ234-240900- Buzzards Bay- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SW 3 ft at 4 seconds. A chance of showers with isolated tstms this evening, then showers likely with a chance of tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and S 4 ft at 9 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 9 seconds and W 2 ft at 4 seconds. .TUE...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 8 seconds and SE 2 ft at 9 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SW 2 ft at 7 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and N 1 foot at 4 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. A chance of showers in the evening. Showers likely after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-240900- Rhode Island Sound- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds and SW 1 foot at 4 seconds. A chance of showers with a slight chance of tstms this evening, then showers likely with a chance of tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: S 8 ft at 9 seconds and SW 1 foot at 4 seconds, becoming SW 6 ft at 9 seconds and SW 1 foot at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 1 foot at 5 seconds. .TUE...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and NW 1 foot at 4 seconds. .TUE 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 SW 2 ft at 4 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers in the evening. Showers likely after midnight. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE 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. $$ ANZ237-240900- Block Island Sound- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds. A chance of showers with a slight chance of tstms this evening, then showers likely with a chance of tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds and W 2 ft at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 9 seconds and W 2 ft at 4 seconds. .TUE...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 3 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SE 3 ft at 9 seconds. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers in the evening. Showers likely after midnight. .THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-240900- Boston Harbor- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. A chance of showers. Isolated tstms. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 10 to 15 kt. Waves 1 foot or less. .MON NIGHT...NW winds 10 to 15 kt. Waves 1 foot or less. .TUE...NW winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves 1 foot or less. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers in the afternoon. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. .THU...W winds 5 to 10 kt. Waves around 2 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-240900- Narragansett Bay- 404 PM EDT Sun Jun 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. A chance of showers with a slight chance of tstms this evening, then showers likely with isolated tstms after midnight. Some tstms may produce damaging winds, small hail, and heavy rainfall this evening. Vsby 1 to 3 NM after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 3 to 5 ft. A chance of showers in the morning with vsby 1 to 3 NM. .MON NIGHT...NW winds around 10 kt. Gusts up to 20 kt in the evening. Waves 2 to 4 ft. .TUE...NW winds around 10 kt, becoming W in the afternoon. Waves 2 to 3 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 4 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight. Some tstms may produce heavy rainfall. .THU...SW winds 5 to 10 kt. Waves around 2 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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