ANZ200-071000-
405 PM EST Sat Dec 6 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
A weak low-pressure system moved east-southeast of the 70N/40W
benchmark earlier today with weak high-pressure moving in from the
south. A strong cold front will cross the waters late Sunday into
Sunday night followed by high-pressure building in from the west on
Monday. Low-pressure will then approach from the west on Tuesday.
$$
ANZ255-071000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 405 PM EST Sat Dec 6 2025 TONIGHT NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 5 seconds. SUN NW winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and SE 3 ft at 9 seconds. SUN NIGHT SW winds 10 to 15 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and SE 3 ft at 9 seconds. MON NW winds 25 to 30 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 7 seconds and N 3 ft at 5 seconds. MON NIGHT N winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and N 3 ft at 5 seconds. TUE NW winds around 10 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 5 seconds. TUE NIGHT SW winds 25 to 30 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. WED SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of rain. WED NIGHT AND THU SW winds 25 to 30 kt, becoming W 20 to 25 kt. Seas 7 to 10 ft. A chance of rain. THU NIGHT W winds 20 to 25 kt. Seas 5 to 7 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ255-071000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 405 PM EST Sat Dec 6 2025 TONIGHT NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 5 seconds. SUN NW winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and SE 3 ft at 9 seconds. SUN NIGHT SW winds 10 to 15 kt, becoming W 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and SE 3 ft at 9 seconds. MON NW winds 25 to 30 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 7 seconds and N 3 ft at 5 seconds. MON NIGHT N winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and N 3 ft at 5 seconds. TUE NW winds around 10 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 5 seconds. TUE NIGHT SW winds 25 to 30 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. WED SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of rain. WED NIGHT AND THU SW winds 25 to 30 kt, becoming W 20 to 25 kt. Seas 7 to 10 ft. A chance of rain. THU NIGHT W winds 20 to 25 kt. Seas 5 to 7 ft. A chance of rain. 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. $$