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
475 FZUS51 KBOX 120504 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 103 AM EDT Wed Jun 12 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-121800- 103 AM EDT Wed Jun 12 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure will remain over the waters through Thu. A cold front over the Great Lakes is expected to cross the region Fri. High pressure will build back into New England over the weekend. $$ ANZ250-121800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .WED...S winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of showers in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 5 ft. Showers likely in the evening. A chance of showers after midnight. Patchy fog in the evening. Vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-121800- Massachusetts Bay and Ipswich Bay- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 8 seconds. .WED...S winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: SE 1 foot at 8 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 2 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 6 seconds. .FRI...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. A chance of showers in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Showers likely in the evening. A chance of showers after midnight. Patchy fog in the evening. Vsby 1 to 3 NM. .SAT THROUGH SUN 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. $$ ANZ231-121800- Cape Cod Bay- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. .WED...S winds around 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 5 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. .FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-121800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .WED...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 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. $$ ANZ255-121800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED...S winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU NIGHT AND FRI...S winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and S 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-121800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .THU NIGHT AND FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 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. $$ ANZ232-121800- Nantucket Sound- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...S winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. .WED NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. .THU NIGHT AND FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-121800- Vineyard Sound- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .WED...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .THU NIGHT AND FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and S 1 foot at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...N winds around 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 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. $$ ANZ234-121800- Buzzards Bay- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .WED...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 1 foot at 7 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Showers likely. Patchy fog in the evening. Vsby 1 to 3 NM. .SAT...N winds around 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-121800- Rhode Island Sound- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 4 ft. Showers likely. Patchy fog in the evening. Vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...SW 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. $$ ANZ237-121800- Block Island Sound- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Showers likely in the evening. A chance of showers after midnight. Patchy fog in the evening. Vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-121800- Boston Harbor- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less. .WED...W winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. Scattered showers in the afternoon. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...SW winds around 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Waves around 2 ft in the evening, then 1 foot or less. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight. Some tstms may produce heavy rainfall in the evening with vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-121800- Narragansett Bay- 103 AM EDT Wed Jun 12 2024 .REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less. .WED...W winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Waves 2 to 3 ft. Showers likely in the evening. A chance of showers after midnight. Vsby 1 to 3 NM in the evening. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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