


Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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326 FZUS51 KBOX 180203 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1003 PM EDT Fri Oct 17 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-181500- 1003 PM EDT Fri Oct 17 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build E from the Gt Lakes and move into New Eng and the waters this weekend. The high will move offshore Sun night followed by low pres and a cold front Mon. Another low pres will move into New Eng on Wed. $$ ANZ250-181500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1003 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .OVERNIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft. Wave Detail: NE 6 ft at 10 seconds. .SAT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds. .SAT NIGHT...S winds around 5 kt, becoming SW after midnight. Seas 4 to 6 ft. Wave Detail: E 5 ft at 11 seconds. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds and S 3 ft at 3 seconds. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 5 seconds and E 4 ft at 10 seconds. A chance of showers after midnight. .MON...SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 5 seconds and E 3 ft at 10 seconds. A chance of showers in the morning, then showers in the afternoon. .MON NIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .TUE NIGHT AND WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-181500- Massachusetts Bay and Ipswich Bay- 1003 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .OVERNIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at 11 seconds and N 1 foot at 3 seconds. .SAT...N winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at 11 seconds and N 1 foot at 3 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 11 seconds and S 2 ft at 3 seconds. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 4 seconds and E 4 ft at 10 seconds. A chance of showers after midnight. .MON...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 5 seconds and E 3 ft at 10 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 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. $$ ANZ231-181500- Cape Cod Bay- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 8 seconds and N 2 ft at 4 seconds. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NE 3 ft at 8 seconds and N 2 ft at 4 seconds. .SAT NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and N 1 foot at 4 seconds. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 8 seconds and S 1 foot at 2 seconds. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. A chance of showers after midnight. .MON...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and E 2 ft at 10 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .WED NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-181500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1003 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .OVERNIGHT...N winds around 15 kt with gusts up to 20 kt. Seas 6 to 9 ft. Wave Detail: NE 8 ft at 10 seconds and NW 1 foot at 4 seconds. .SAT...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 6 to 9 ft. Wave Detail: NE 7 ft at 11 seconds and NW 1 foot at 3 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas 5 to 7 ft. Wave Detail: E 6 ft at 11 seconds. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 11 seconds. .SUN NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at 5 seconds and E 4 ft at 10 seconds. A chance of showers after midnight. .MON...S winds around 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SE 5 ft at 5 seconds and E 3 ft at 10 seconds. A chance of showers in the morning, then showers in the afternoon. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED...SW winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 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. $$ ANZ255-181500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1003 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .OVERNIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft, except 8 to 11 ft S and E of Nantucket. Wave Detail: NE 6 ft at 10 seconds and N 3 ft at 4 seconds. .SAT...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 7 ft. Wave Detail: E 6 ft at 11 seconds and NW 3 ft at 4 seconds. .SAT NIGHT...NW winds around 5 kt, becoming SW after midnight. Seas 4 to 6 ft. Wave Detail: E 5 ft at 11 seconds. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: E 5 ft at 11 seconds and S 3 ft at 3 seconds. .SUN NIGHT...S winds 15 to 20 kt, becoming SE 20 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 6 ft at 5 seconds and E 4 ft at 11 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: S 8 ft at 7 seconds and E 3 ft at 10 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 5 to 7 ft. A chance of showers. .TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers. .WED...SW winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely. .WED NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-181500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds around 10 kt. Seas 2 to 3 ft, building to 3 to 5 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds, becoming NE 4 ft at 12 seconds and NW 2 ft at 3 seconds. .SAT...N winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 12 seconds and N 2 ft at 3 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 11 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: E 4 ft at 11 seconds and S 3 ft at 4 seconds. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds and E 3 ft at 11 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 8 ft. Wave Detail: S 8 ft at 7 seconds and E 2 ft at 11 seconds. Showers in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM. .MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Showers likely. .WED NIGHT...W winds 20 to 25 kt. Seas 4 to 6 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. $$ ANZ232-181500- Nantucket Sound- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 9 seconds and N 2 ft at 3 seconds. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 11 seconds and N 2 ft at 3 seconds. .SAT NIGHT...NW winds around 5 kt, becoming SW around 5 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and NW 1 foot at 3 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and S 2 ft at 4 seconds. .SUN NIGHT...S winds 15 to 20 kt, becoming SE 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 5 seconds and E 2 ft at 11 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 5 seconds and E 2 ft at 10 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Seas 3 to 5 ft. A chance of showers. .TUE...SW winds 15 to 20 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...W winds 20 to 25 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-181500- Vineyard Sound- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds around 10 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at 7 seconds, becoming NE 2 ft at 12 seconds and NW 1 foot at 3 seconds. .SAT...N winds around 10 kt, diminishing to around 5 kt in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 12 seconds and NW 1 foot at 2 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 12 seconds and W 1 foot at 2 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 12 seconds. .SUN NIGHT...S winds 15 to 20 kt, becoming SE 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at 12 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and E 1 foot at 11 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 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. $$ ANZ234-181500- Buzzards Bay- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at 6 seconds. .SAT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 2 seconds and E 1 foot at 11 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 11 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 11 seconds. .SUN NIGHT...S winds 15 to 20 kt, becoming SE 20 to 25 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E 2 ft at 11 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at 11 seconds. Showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-181500- Rhode Island Sound- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and E 1 foot at 8 seconds. .SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 13 seconds and N 1 foot at 3 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 12 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 12 seconds. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: S 5 ft at 5 seconds and E 1 foot at 12 seconds, becoming S 7 ft at 6 seconds and E 1 foot at 12 seconds. A chance of showers after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds and E 1 foot at 11 seconds. Showers in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 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. $$ ANZ237-181500- Block Island Sound- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds around 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 8 seconds. .SAT...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 13 seconds and N 1 foot at 3 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 12 seconds. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 12 seconds. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 6 ft at 6 seconds and E 2 ft at 12 seconds. Showers likely after midnight. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 6 seconds and E 1 foot at 11 seconds. Showers, mainly in the morning. Vsby 1 to 3 NM. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-181500- Boston Harbor- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SAT...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SAT NIGHT...S winds around 5 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. At the outer harbor entrance, waves 2 to 4 ft. .SUN NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Waves 2 to 3 ft. A chance of showers after midnight. .MON...SE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers. Vsby 1 to 3 NM. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt after midnight. Waves around 2 ft. A chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-181500- Narragansett Bay- 1003 PM EDT Fri Oct 17 2025 .OVERNIGHT...N winds 5 to 10 kt. Waves 1 foot or less. .SAT...N winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves 3 to 5 ft. A chance of showers after midnight. .MON...S winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. Showers. Vsby 1 to 3 NM. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 2 to 4 ft. A chance of showers. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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