Coastal Waters Forecast
Issued by NWS Boston, MA

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874 FZUS51 KBOX 200204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 PM EDT Thu Sep 19 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-201500- 1004 PM EDT Thu Sep 19 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure southeast of Nantucket will continue to combine with high pressure over southeast Quebec to generate gusty NE winds and building seas through Saturday, with wave heights increasing to 10- 15 ft east of Cape Cod and Nantucket. Periods of rain will accompany the strong NE winds through Saturday. The low begins to move out to sea Sunday, as high pressure moves south from Quebec. Hence, improving weather Sunday and continuing into early next week. $$ ANZ250-201500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Wave Detail: E 7 ft at 8 seconds and NE 2 ft at 5 seconds. Patchy fog. A chance of showers. Showers likely. Vsby 1 to 3 NM. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to 12 ft, building to 11 to 14 ft in the afternoon. Wave Detail: E 8 ft at 9 seconds and NE 4 ft at 5 seconds, becoming E 8 ft at 9 seconds and NE 6 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 11 to 14 ft. Wave Detail: E 10 ft at 10 seconds and NE 5 ft at 7 seconds. Patchy fog. A chance of showers. .SAT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to 13 ft, subsiding to 9 to 10 ft in the afternoon. Wave Detail: E 11 ft at 10 seconds and NE 4 ft at 6 seconds, becoming E 10 ft at 10 seconds and NE 2 ft at 5 seconds. A chance of showers. .SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: E 9 ft at 10 seconds and NE 1 foot at 5 seconds. A chance of showers. .SUN AND SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to 9 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at 4 seconds. .MON THROUGH TUE...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...E winds around 10 kt. Seas 5 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-201500- Massachusetts Bay and Ipswich Bay- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: E 6 ft at 8 seconds and NE 3 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft. Wave Detail: NE 8 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the morning. .FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft. Wave Detail: E 9 ft at 9 seconds and NE 5 ft at 6 seconds. A chance of showers. Patchy fog after midnight. .SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 8 to 10 ft. Wave Detail: E 9 ft at 10 seconds and N 5 ft at 6 seconds. A chance of showers. .SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. Wave Detail: E 8 ft at 10 seconds and NE 2 ft at 5 seconds. A chance of showers. .SUN AND SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. Wave Detail: E 8 ft at 10 seconds and NE 2 ft at 4 seconds. .MON AND MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas 5 to 7 ft. .TUE AND TUE NIGHT...E winds around 10 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. $$ ANZ231-201500- Cape Cod Bay- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: E 5 ft at 8 seconds and N 4 ft at 4 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Wave Detail: E 6 ft at 8 seconds and N 5 ft at 5 seconds. Patchy fog. Showers likely, mainly in the morning. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: NE 7 ft at 10 seconds and N 6 ft at 6 seconds. Patchy fog. A chance of showers. .SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 7 to 10 ft, subsiding to 6 to 8 ft in the afternoon. Wave Detail: NE 7 ft at 10 seconds and N 6 ft at 6 seconds, becoming E 7 ft at 10 seconds and N 5 ft at 6 seconds. Showers likely. .SAT NIGHT AND SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds and N 4 ft at 6 seconds. A chance of showers. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft at 10 seconds and N 3 ft at 4 seconds. .MON AND MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-201500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 PM EDT Thu Sep 19 2024 ...GALE WARNING IN EFFECT THROUGH FRIDAY EVENING... .OVERNIGHT...NE winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 13 ft. Wave Detail: NE 10 ft at 7 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 11 to 15 ft. Wave Detail: NE 11 ft at 9 seconds and NE 3 ft at 5 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 12 to 16 ft, subsiding to 11 to 14 ft after midnight. Wave Detail: NE 11 ft at 9 seconds and NE 3 ft at 6 seconds, becoming NE 12 ft at 10 seconds and N 2 ft at 5 seconds. Patchy fog. Showers likely, mainly in the evening. Vsby 1 to 3 NM after midnight. .SAT...NE winds 25 to 30 kt, diminishing to around 20 kt in the afternoon. Seas 10 to 14 ft, subsiding to 9 to 11 ft in the afternoon. Wave Detail: NE 12 ft at 10 seconds and N 2 ft at 5 seconds, becoming NE 11 ft at 10 seconds and N 2 ft at 4 seconds. Showers likely. Patchy fog in the morning. .SAT NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft. Wave Detail: E 10 ft at 10 seconds and NE 2 ft at 4 seconds. Showers likely, mainly in the evening. .SUN...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 8 to 10 ft. Wave Detail: E 10 ft at 10 seconds and NE 2 ft at 4 seconds. A chance of showers. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 10 ft. .MON AND MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 7 to 10 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 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. $$ ANZ255-201500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 PM EDT Thu Sep 19 2024 ...GALE WARNING IN EFFECT THROUGH FRIDAY EVENING... .OVERNIGHT...NE winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 12 ft. Wave Detail: N 8 ft at 6 seconds and SE 4 ft at 8 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft, except 12 to 17 ft S and E of Nantucket. Wave Detail: NE 9 ft at 7 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...N winds 25 to 30 kt. Gusts up to 40 kt in the evening. Seas 9 to 13 ft, subsiding to 8 to 11 ft after midnight. Wave Detail: E 9 ft at 9 seconds and N 4 ft at 5 seconds, becoming E 9 ft at 10 seconds and N 5 ft at 5 seconds. Patchy fog. Showers likely in the evening. A chance of showers after midnight. .SAT...N winds 25 to 30 kt, becoming NE 20 to 25 kt in the afternoon. Seas 7 to 10 ft. Wave Detail: E 9 ft at 10 seconds and N 5 ft at 5 seconds. Showers likely. Patchy fog in the morning. .SAT NIGHT...NE winds 20 to 25 kt. Seas 6 to 9 ft. Wave Detail: E 8 ft at 10 seconds and N 4 ft at 5 seconds. Showers likely, mainly in the evening. .SUN...NE winds 20 to 25 kt. Seas 6 to 9 ft. Wave Detail: E 9 ft at 11 seconds and NE 4 ft at 5 seconds. A chance of showers. .SUN NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft. .MON...NE winds 20 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-201500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 PM EDT Thu Sep 19 2024 ...GALE WARNING IN EFFECT THROUGH FRIDAY EVENING... .OVERNIGHT...N winds 20 to 25 kt, increasing to 25 to 30 kt. Gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 8 seconds. Patchy fog. A chance of showers. .FRI...N winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft. Wave Detail: E 6 ft at 8 seconds and N 5 ft at 5 seconds. A chance of showers. Patchy fog in the afternoon. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 12 ft, subsiding to 7 to 10 ft after midnight. Wave Detail: E 6 ft at 9 seconds and N 5 ft at 5 seconds. A chance of showers. .SAT...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 7 to 10 ft, subsiding to 6 to 8 ft in the afternoon. Wave Detail: N 6 ft at 5 seconds and E 6 ft at 10 seconds, becoming E 6 ft at 10 seconds and N 5 ft at 5 seconds. A chance of showers. .SAT NIGHT AND SUN...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: E 8 ft at 10 seconds and N 5 ft at 5 seconds. A chance of showers. .SUN NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: E 8 ft at 11 seconds and NE 4 ft at 5 seconds. .MON THROUGH TUE...E winds 20 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...E winds around 15 kt with gusts up to 20 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. $$ ANZ232-201500- Nantucket Sound- 1004 PM EDT Thu Sep 19 2024 ...GALE WARNING IN EFFECT THROUGH FRIDAY EVENING... .OVERNIGHT...NE winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to 8 ft. Wave Detail: N 5 ft at 5 seconds and E 3 ft at 8 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...N winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 6 to 9 ft. Wave Detail: E 5 ft at 9 seconds and N 4 ft at 5 seconds. Patchy fog. Showers likely in the evening. A chance of showers after midnight. .SAT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 5 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: E 5 ft at 10 seconds and N 4 ft at 5 seconds, becoming N 4 ft at 5 seconds and E 4 ft at 10 seconds. Showers likely. Patchy fog in the morning. .SAT NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 4 ft at 5 seconds and E 4 ft at 10 seconds. Showers likely, mainly in the evening. .SUN...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: NE 4 ft at 5 seconds and E 4 ft at 10 seconds. A chance of showers. .SUN NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. .MON AND MON NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt. Seas 4 to 6 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-201500- Vineyard Sound- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 6 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Showers likely. .FRI...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 8 seconds. Showers likely, mainly in the morning. Patchy fog in the afternoon. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: N 3 ft at 5 seconds and E 2 ft at 9 seconds. Patchy fog. A chance of showers. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at 10 seconds. Showers likely. .SAT NIGHT AND SUN...NE winds around 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at 10 seconds. A chance of showers. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and E 2 ft at 11 seconds. .MON THROUGH TUE NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 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. $$ ANZ234-201500- Buzzards Bay- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas around 4 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 8 seconds. Patchy fog. A chance of showers. Showers likely. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers. Patchy fog in the afternoon. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 9 seconds. Patchy fog. A chance of showers. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 10 seconds. Showers likely. .SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 10 seconds. A chance of showers. .SUN...NE winds around 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: NE 3 ft at 4 seconds and E 3 ft at 10 seconds. A chance of showers in the morning. .SUN NIGHT...NE winds 15 to 20 kt. Gusts up to 30 kt in the evening. Seas 4 to 6 ft. .MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-201500- Rhode Island Sound- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: N 4 ft at 5 seconds and SE 4 ft at 8 seconds. Patchy fog. A chance of showers. .FRI...N winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: N 4 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers. Patchy fog in the afternoon. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: N 4 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of showers. .SAT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: N 4 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of showers. .SAT NIGHT AND SUN...NE winds 20 to 25 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SE 3 ft at 10 seconds. A chance of showers. .SUN NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 5 seconds and SE 3 ft at 11 seconds. .MON THROUGH TUE NIGHT...E winds 15 to 20 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. $$ ANZ237-201500- Block Island Sound- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .OVERNIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 5 ft at 8 seconds and NE 3 ft at 5 seconds. A slight chance of showers. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: E 4 ft at 8 seconds and N 3 ft at 5 seconds. A chance of showers. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: E 4 ft at 9 seconds and N 3 ft at 5 seconds. A chance of showers in the evening. .SAT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 9 seconds. A chance of showers. .SAT NIGHT AND SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and E 4 ft at 10 seconds. A chance of showers. .SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 6 seconds and E 4 ft at 11 seconds. .MON THROUGH TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-201500- Boston Harbor- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT FRIDAY THROUGH SATURDAY MORNING... .OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. A chance of showers. Patchy fog in the morning. .FRI NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. A chance of showers. Patchy fog after midnight. .SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. A chance of showers. .SAT NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. A chance of showers. .SUN AND SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. .MON THROUGH TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-201500- Narragansett Bay- 1004 PM EDT Thu Sep 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT FRIDAY THROUGH SATURDAY MORNING... .OVERNIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. A slight chance of showers, then a chance of showers. .FRI...N winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. A chance of showers. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. A chance of showers. .SAT...N winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT AND SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .MON THROUGH TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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