Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
117 FZUS51 KBOX 222005 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 405 PM EDT Wed Jul 22 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-230900- 405 PM EDT Wed Jul 22 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front approaches the waters from the west today. Gusty SW flow will continue to promote rough seas especially across the open waters south of the outer-Islands today. This cold front will cross the waters late tonight into early Thu. High pres builds across the waters later Thu and into the weekend, bringing more pleasant boating weather to the region through the weekend. $$ ANZ250-230900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 9 seconds and SW 2 ft at 4 seconds. A slight chance of showers this evening. .THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and W 1 foot at 3 seconds. .THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 1 foot at 3 seconds. .FRI...SW winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. .FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 2 seconds. .SAT AND SAT NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-230900- Massachusetts Bay and Ipswich Bay- 405 PM EDT Wed Jul 22 2026 .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at 3 seconds. A slight chance of showers and tstms this evening. .THU...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds and NW 1 foot at 2 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SE 2 ft at 8 seconds. .FRI...SW winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 9 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SE 1 foot at 3 seconds. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 2 ft at 8 seconds. .SUN THROUGH MON 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. $$ ANZ231-230900- Cape Cod Bay- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and SW 2 ft at 3 seconds. A slight chance of showers. .THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 2 ft at 11 seconds. .THU NIGHT...SE winds around 5 kt, becoming SW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 4 seconds. .FRI...NW winds around 5 kt, becoming E around 5 kt in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 8 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and S 1 foot at 7 seconds. .SUN THROUGH MON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and E 1 foot at 5 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-230900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and SE 4 ft at 10 seconds. Patchy fog. A slight chance of showers this evening, then a chance of showers with a slight chance of tstms after midnight. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 9 seconds and SE 4 ft at 10 seconds. .THU NIGHT...SE winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 4 ft at 8 seconds. .FRI...NE winds around 5 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and SE 2 ft at 7 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and S 1 foot at 3 seconds. .SUN THROUGH MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 8 seconds. 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. $$ ANZ255-230900- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt after midnight. Seas 5 to 8 ft. Wave Detail: S 8 ft at 9 seconds and NW 4 ft at 5 seconds. A chance of showers with a slight chance of tstms. Patchy fog after midnight with vsby 1 NM or less. .THU...NE winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 4 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and NW 3 ft at 8 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 5 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 5 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 1 foot at 4 seconds. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-230900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming N around 10 kt after midnight. Seas 5 to 8 ft. Wave Detail: S 7 ft at 9 seconds and S 3 ft at 4 seconds. A slight chance of showers. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and W 3 ft at 4 seconds. .THU NIGHT...SE winds around 5 kt, becoming E around 5 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and S 4 ft at 8 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds and SE 3 ft at 8 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 2 ft at 3 seconds. .MON NIGHT...SW winds around 10 kt. Seas around 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. $$ ANZ232-230900- Nantucket Sound- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 10 seconds. A slight chance of showers this evening, then a chance of showers after midnight. .THU...N winds around 10 kt, becoming NE in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 2 ft at 4 seconds and E 2 ft at 8 seconds. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 8 seconds. .FRI...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SW 1 foot at 7 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 4 seconds and SW 1 foot at 4 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds and E 1 foot at 7 seconds. .MON NIGHT...SW winds around 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-230900- Vineyard Sound- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and SW 4 ft at 6 seconds. A slight chance of showers. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and NW 3 ft at 4 seconds. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 8 seconds and E 1 foot at 8 seconds. .FRI...NE winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 2 ft at 8 seconds. .FRI NIGHT AND SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 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. $$ ANZ234-230900- Buzzards Bay- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and S 3 ft at 9 seconds. A slight chance of showers. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and SW 2 ft at 9 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 8 seconds and SW 1 foot at 4 seconds. .FRI...NE winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds. .FRI NIGHT AND SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and S 1 foot at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 3 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-230900- Rhode Island Sound- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming N around 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and SW 3 ft at 5 seconds. A slight chance of showers. .THU...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and W 3 ft at 5 seconds. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 7 seconds. .FRI...NE winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .FRI NIGHT AND SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 3 seconds. .SUN THROUGH MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 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. $$ ANZ237-230900- Block Island Sound- 405 PM EDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 9 seconds and SW 2 ft at 4 seconds. A slight chance of showers this evening. .THU...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and W 1 foot at 3 seconds. .THU NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 2 ft at 3 seconds. .FRI...NE winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 8 seconds. .FRI NIGHT AND SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 3 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-230900- Boston Harbor- 405 PM EDT Wed Jul 22 2026 .TONIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Waves around 2 ft this evening, then 1 foot or less. A slight chance of showers and tstms this evening. .THU...NW winds 5 to 10 kt, becoming SE in the afternoon. Waves 1 foot or less. .THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .FRI...SW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. .SUN THROUGH MON...S winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-230900- Narragansett Bay- 405 PM EDT Wed Jul 22 2026 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Waves 2 to 4 ft. A slight chance of showers this evening. .THU...N winds 5 to 10 kt, becoming SE in the afternoon. Waves 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt, becoming W after midnight. Waves 2 to 3 ft. .FRI...NE winds around 5 kt, becoming SE in the afternoon. Waves around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Waves around 2 ft. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN THROUGH MON...S winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-230900- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 405 PM EDT Wed Jul 22 2026 .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W around 10 kt with gusts up to 20 kt after midnight. Seas 5 to 8 ft. Wave Detail: SE 7 ft at 9 seconds and SW 2 ft at 4 seconds. Patchy fog this evening. A slight chance of showers after midnight. Vsby 1 to 3 NM this evening. .THU...NW winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 10 seconds and W 1 foot at 5 seconds. .THU NIGHT...SW winds around 5 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 3 ft at 8 seconds. .FRI...SW winds around 5 kt, becoming SE in the afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 2 ft at 7 seconds. .FRI NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 2 seconds. .SAT AND SAT NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SUN THROUGH MON NIGHT...S winds 5 to 10 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. $$ ANZ281-230900- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 405 PM EDT Wed Jul 22 2026 .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 7 to 10 ft. Wave Detail: S 9 ft at 9 seconds and SE 4 ft at 10 seconds. Patchy fog. A slight chance of showers and tstms this evening, then a chance of showers and tstms after midnight. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and SE 4 ft at 10 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...E winds around 5 kt, becoming N after midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds and E 2 ft at 7 seconds. .FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and E 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. .SUN THROUGH MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and SE 3 ft at 8 seconds. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-230900- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 405 PM EDT Wed Jul 22 2026 .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 7 to 10 ft. Wave Detail: S 10 ft at 9 seconds and E 3 ft at 10 seconds. A chance of showers with a slight chance of tstms this evening, then showers likely with a chance of tstms after midnight. Patchy fog after midnight with vsby 1 NM or less. .THU...N winds around 10 kt, becoming NE in the afternoon. Seas 6 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: S 7 ft at 8 seconds and NW 2 ft at 4 seconds, becoming S 6 ft at 8 seconds and N 2 ft at 4 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and S 2 ft at 4 seconds. .FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 4 seconds. .SUN THROUGH MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 5 seconds. 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. $$ ANZ283-230900- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 405 PM EDT Wed Jul 22 2026 .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 8 to 9 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: S 9 ft at 9 seconds and S 3 ft at 4 seconds, becoming S 8 ft at 9 seconds and N 2 ft at 5 seconds. A chance of showers with a slight chance of tstms. Patchy fog after midnight with vsby 1 NM or less. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds and NW 3 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and NE 3 ft at 4 seconds. .FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and E 2 ft at 8 seconds. .FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and NW 3 ft at 6 seconds. .SUN THROUGH MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 4 ft at 8 seconds. .MON NIGHT...SW winds around 10 kt. Seas 3 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston