ANZ200-251300-
703 PM EST Mon Nov 24 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds over the waters tonight before moving offshore Tue.
A warm front lifts north across the region Tuesday night followed by
a strong cold front Wed night. Gusty post frontal westerly winds
develop late Thu through Fri night, which may gust to Gale force as
strong low pres moves into the Maritimes. High pres builds into the
waters Sat night.
$$
ANZ237-251300- Block Island Sound- 703 PM EST Mon Nov 24 2025 TONIGHT NW winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft this evening, then 1 foot or less. Wave Detail: W 1 foot at 4 seconds and SE 1 foot at 8 seconds, becoming SW 1 foot at 5 seconds and SE 1 foot at 9 seconds. TUE SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 9 seconds. TUE NIGHT S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog. Rain. WED SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 4 ft at 9 seconds. Rain likely in the morning, then a chance of showers in the afternoon. WED NIGHT SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 4 ft at 6 seconds, becoming W 4 ft at 5 seconds and S 4 ft at 8 seconds. A chance of showers in the evening. THU AND THU NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 4 ft at 8 seconds. FRI W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. FRI NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. SAT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. SAT NIGHT NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ237-251300- Block Island Sound- 703 PM EST Mon Nov 24 2025 TONIGHT NW winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft this evening, then 1 foot or less. Wave Detail: W 1 foot at 4 seconds and SE 1 foot at 8 seconds, becoming SW 1 foot at 5 seconds and SE 1 foot at 9 seconds. TUE 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 9 seconds. TUE NIGHT S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog. Rain. WED SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 4 ft at 9 seconds. Rain likely in the morning, then a chance of showers in the afternoon. WED NIGHT SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 4 ft at 6 seconds, becoming W 4 ft at 5 seconds and S 4 ft at 8 seconds. A chance of showers in the evening. THU AND THU NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 4 ft at 8 seconds. FRI W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. FRI NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. SAT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. SAT NIGHT NW 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. $$