Coastal Waters Forecast
Issued by NWS Boston, MA

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345 FZUS51 KBOX 261704 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 103 PM EDT Wed Jun 26 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-270600- 103 PM EDT Wed Jun 26 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front moves E from the Great Lakes today, with strong SW winds and building seas ahead of it. This cold front crosses New England and the waters late tonight and Thu. High pres builds over the waters Fri, then moves offshore Sat. Another cold front should cross the waters sometime late Sun into Sun night. $$ ANZ250-270600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 103 PM EDT Wed Jun 26 2024 .THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...W winds around 10 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 9 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds and N 1 foot at 4 seconds. .SAT...S winds 15 to 20 kt. Seas 2 to 4 ft. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-270600- Massachusetts Bay and Ipswich Bay- 103 PM EDT Wed Jun 26 2024 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 10 seconds. A slight chance of showers with isolated tstms. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 10 seconds. A chance of showers in the evening, then showers with tstms likely after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 4 seconds. A chance of showers in the morning. .THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 3 seconds. .FRI...NW winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SE 1 foot at 9 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 3 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ231-270600- Cape Cod Bay- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and S 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and S 2 ft at 8 seconds. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...W winds around 10 kt with gusts up to 20 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and S 2 ft at 8 seconds. A chance of showers in the morning. .THU NIGHT...SW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 8 seconds. .FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and E 1 foot at 4 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-270600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 5 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and W 1 foot at 4 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 NM or less. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: S 5 ft at 7 seconds and W 2 ft at 4 seconds, becoming S 4 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .THU NIGHT...SW winds around 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at 4 seconds. .FRI...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and N 1 foot at 4 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Showers likely. .SUN NIGHT...SW 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. $$ ANZ255-270600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 1 foot at 4 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 NM or less. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 1 foot at 4 seconds. A chance of showers in the morning with vsby 1 NM or less. .THU NIGHT...W winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 3 seconds. .FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 3 seconds. .SAT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-270600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 1 foot at 4 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and SW 1 foot at 3 seconds. Showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight. .THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at 3 seconds. .FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 3 seconds. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 1 foot at 3 seconds. .SAT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. 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. $$ ANZ232-270600- Nantucket Sound- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 4 seconds and S 2 ft at 8 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog after midnight. Showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 NM or less. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to around 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...W winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds. .FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and S 1 foot at 7 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and NW 1 foot at 4 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .SUN...SW winds around 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-270600- Vineyard Sound- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 2 ft at 4 seconds. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 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 with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and W 1 foot at 3 seconds. .FRI...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SW 2 ft at 7 seconds and N 1 foot at 3 seconds, becoming N 1 foot at 3 seconds and S 1 foot at 7 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: S 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming S 1 foot at 3 seconds and S 1 foot at 8 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. 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. $$ ANZ234-270600- Buzzards Bay- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Wave Detail: SW 4 ft at 7 seconds and S 3 ft at 4 seconds. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and S 2 ft at 4 seconds. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight. Vsby 1 NM or less in the evening. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and S 2 ft at 4 seconds. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and W 1 foot at 3 seconds. .FRI...N winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 7 seconds, becoming N 1 foot at 4 seconds and SW 1 foot at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and S 1 foot at 7 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT NIGHT AND SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-270600- Rhode Island Sound- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at 4 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and SW 1 foot at 4 seconds. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .FRI AND FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 3 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. 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. $$ ANZ237-270600- Block Island Sound- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 2 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 3 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SE 2 ft at 4 seconds. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-270600- Boston Harbor- 103 PM EDT Wed Jun 26 2024 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A slight chance of showers with isolated tstms. .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers in the evening, then showers with tstms likely after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers in the morning. .THU NIGHT...NW winds 10 to 15 kt. Waves 1 foot or less. .FRI...NW winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT AND SUN...S winds 15 to 20 kt, becoming SW 10 to 15 kt. Gusts up to 25 kt. Waves around 2 ft. Showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. 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. $$ ANZ236-270600- Narragansett Bay- 103 PM EDT Wed Jun 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 4 ft. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 4 ft. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds, frequent lightning, and heavy rainfall after midnight with vsby 1 to 3 NM. .THU...W winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers in the morning. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Waves 2 to 3 ft. .FRI AND FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT AND SUN...S winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 4 ft. Showers likely. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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