Hazardous marine condition(s):
Small Craft Advisory
ANZ200-081000-
404 PM EST Sun Dec 7 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
A strong cold front will cross the waters tonight as a weak area of
low-pressure develops off the coast of Maine, leading to gusts from
the west-northwest. High-pressure briefly returns for Monday and
part of Tuesday, followed up by multiple disturbances passing over
the waters Tuesday night through the end of the week.
$$
ANZ237-081000- Block Island Sound- 404 PM EST Sun Dec 7 2025 SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON TONIGHT W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 8 seconds. MON N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 8 seconds. MON NIGHT N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds. TUE E winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at 4 seconds. TUE NIGHT SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of rain in the evening. WED SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 8 seconds and W 3 ft at 5 seconds. A chance of rain. WED NIGHT SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 6 to 9 ft. A chance of rain. THU W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. THU NIGHT W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. FRI W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. FRI NIGHT NW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain and snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ237-081000- Block Island Sound- 404 PM EST Sun Dec 7 2025 SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON TONIGHT W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 8 seconds. MON N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 8 seconds. MON NIGHT N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds. TUE E winds around 5 kt, becoming SW 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 NE 1 foot at 4 seconds. TUE NIGHT SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds. A chance of rain in the evening. WED SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 8 seconds and W 3 ft at 5 seconds. A chance of rain. WED NIGHT SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 6 to 9 ft. A chance of rain. THU W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. THU NIGHT W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. FRI W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. FRI NIGHT NW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain and snow. 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. $$