Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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056 FZUS51 KBOX 131803 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 103 PM EST Thu Nov 13 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-140700- 103 PM EST Thu Nov 13 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres over the Maritimes will bring gusty NW winds into Fri which will gradually diminish Fri night into Sat as high pres builds in from the W. A warm front will move into the waters Sat night followed by a cold front Sun morning. Behind the front, gale force W- NW winds may develop later Sun into Mon as low pres strengthens in the Maritimes. $$ ANZ250-140700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of rain. .TONIGHT...NW winds around 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of rain in the evening. .FRI...NW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 8 seconds. A chance of rain in the evening, then rain after midnight. .SUN...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Rain. .SUN NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of rain. .MON AND MON NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-140700- Massachusetts Bay and Ipswich Bay- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW 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 E 1 foot at 10 seconds. A slight chance of rain. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at 9 seconds. .FRI...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at 7 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and NE 1 foot at 7 seconds. Rain. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Rain. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. A chance of rain. .MON AND MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 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. $$ ANZ231-140700- Cape Cod Bay- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 10 seconds. A chance of rain. .TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas around 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at 10 seconds. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and NE 2 ft at 8 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and N 2 ft at 7 seconds. A chance of rain in the evening, then rain after midnight. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. Rain. .SUN NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. A chance of rain. .MON AND MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-140700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of rain. .TONIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds and S 1 foot at 9 seconds. A chance of rain. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and NE 4 ft at 8 seconds. A chance of rain in the morning. .FRI NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds. A chance of rain in the evening. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: N 4 ft at 6 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: N 3 ft at 7 seconds and W 2 ft at 4 seconds, becoming SW 4 ft at 5 seconds and NE 2 ft at 8 seconds. A chance of rain in the evening, then rain after midnight. .SUN...W winds 25 to 30 kt. Seas 4 to 6 ft. Rain. .SUN NIGHT AND MON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft, except 10 to 14 ft S and E of Nantucket. A chance of rain. .MON NIGHT...W winds 25 to 30 kt. Seas 6 to 9 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. $$ ANZ255-140700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...NW winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 8 seconds and SE 2 ft at 9 seconds. A chance of rain. .TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 8 seconds and S 2 ft at 10 seconds. A chance of rain in the evening. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: NW 7 ft at 7 seconds and E 1 foot at 9 seconds, becoming NW 5 ft at 6 seconds and NE 1 foot at 9 seconds. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and NE 2 ft at 9 seconds. .SAT...NW winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and NE 2 ft at 8 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: W 3 ft at 5 seconds and NE 1 foot at 11 seconds, becoming SW 6 ft at 6 seconds and NE 1 foot at 11 seconds. A chance of rain in the evening, then rain after midnight. .SUN...W winds 25 to 35 kt. Seas 7 to 10 ft. Rain. .SUN NIGHT AND MON...W winds 30 to 40 kt, diminishing to 25 to 35 kt. Seas 9 to 13 ft. A chance of rain. .MON NIGHT...W winds 25 to 35 kt. Seas 8 to 11 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-140700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 7 seconds and SE 2 ft at 9 seconds. A chance of rain. .TONIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 9 seconds. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SE 1 foot at 9 seconds. .FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and NE 1 foot at 9 seconds. .SAT...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and NE 1 foot at 9 seconds. .SAT NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 13 seconds, becoming SW 6 ft at 6 seconds and E 1 foot at 14 seconds. Rain. .SUN...W winds 25 to 35 kt. Seas 6 to 9 ft. Rain. .SUN NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to 13 ft. A chance of rain. .MON...W winds 25 to 35 kt with gusts up to 40 kt. Seas 9 to 13 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 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. $$ ANZ232-140700- Nantucket Sound- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 10 seconds. A chance of rain. .TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and S 1 foot at 10 seconds. A chance of rain in the evening. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and NE 1 foot at 9 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 1 foot at 8 seconds. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 8 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 10 seconds. A chance of rain in the evening, then rain after midnight. .SUN...W winds 25 to 30 kt. Seas 4 to 6 ft. Rain. .SUN NIGHT...W winds 30 to 35 kt with gusts up to 40 kt. Seas 5 to 7 ft. A chance of rain. .MON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. .MON NIGHT...W winds 25 to 30 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-140700- Vineyard Sound- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SE 1 foot at 9 seconds. A chance of rain. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and S 1 foot at 10 seconds. .FRI...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 6 seconds and SE 1 foot at 9 seconds. .FRI NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at 8 seconds. .SAT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 8 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 10 seconds, becoming SW 5 ft at 6 seconds and NE 1 foot at 13 seconds. Rain. .SUN...W winds 25 to 30 kt. Seas 4 to 6 ft. Rain. .SUN NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of rain. .MON...W winds 25 to 30 kt. Seas 5 to 7 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 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. $$ ANZ234-140700- Buzzards Bay- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 7 seconds and SE 1 foot at 9 seconds. A chance of rain. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 6 seconds and S 1 foot at 10 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at 9 seconds. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 8 seconds. .SAT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 8 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 10 seconds. Rain. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. .SUN NIGHT...W winds 25 to 30 kt. Seas 3 to 5 ft. A chance of rain. .MON...W winds 25 to 30 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-140700- Rhode Island Sound- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW winds 20 to 25 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SE 1 foot at 9 seconds. A chance of rain. .TONIGHT...NW 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: W 5 ft at 7 seconds and S 2 ft at 9 seconds. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and S 1 foot at 10 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 1 foot at 9 seconds. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 9 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 10 seconds, becoming SW 5 ft at 6 seconds and E 1 foot at 15 seconds. Rain. .SUN...W winds 25 to 30 kt. Seas 5 to 7 ft. Rain. .SUN NIGHT AND MON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 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. $$ ANZ237-140700- Block Island Sound- 103 PM EST Thu Nov 13 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and S 2 ft at 9 seconds. A chance of rain. .TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S 2 ft at 9 seconds. .FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and S 1 foot at 9 seconds. .FRI NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 8 seconds. .SAT...NW winds 10 to 15 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 1 foot at 7 seconds. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 2 ft at 3 seconds, becoming SW 4 ft at 5 seconds. Rain. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain. .SUN NIGHT AND MON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-140700- Boston Harbor- 103 PM EST Thu Nov 13 2025 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A slight chance of rain. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SAT...W winds 10 to 15 kt. Waves around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. Rain. .SUN...W winds 20 to 25 kt. Waves around 2 ft. Rain. .SUN NIGHT THROUGH MON NIGHT...W winds 20 to 25 kt with gusts up to 30 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. $$ ANZ236-140700- Narragansett Bay- 103 PM EST Thu Nov 13 2025 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of rain. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SAT...NW winds around 10 kt, becoming W in the afternoon. Waves 1 foot or less. .SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 2 to 4 ft. Rain. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 4 ft. Rain. .SUN NIGHT THROUGH MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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