ANZ200-131500-
1006 PM EDT Thu Mar 12 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build S of the waters late tonight and Fri. A warm
front should then lift N into the waters Fri evening, followed by a
cold front passage early Sat. High pres builds over the waters Sat
night before moving offshore Sun. A warm front moves across the
waters Sun evening then a strong cold front will cross the waters
Mon night.
$$
ANZ232-131500- Nantucket Sound- 1006 PM EDT Thu Mar 12 2026 OVERNIGHT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 8 seconds. Snow this evening. Patchy fog. Vsby 1 NM or less. FRI W winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at 8 seconds. FRI NIGHT S winds 15 to 20 kt, becoming SW 25 to 30 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 3 ft at 9 seconds and S 2 ft at 5 seconds, becoming S 5 ft at 8 seconds and S 3 ft at 5 seconds. SAT W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SW 4 ft at 9 seconds. SAT NIGHT W winds 20 to 25 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 9 seconds. SUN N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and SW 1 foot at 8 seconds. SUN NIGHT SE winds 15 to 20 kt, increasing to 25 to 30 kt after midnight. Seas 2 to 4 ft. A chance of rain after midnight. MON SE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Rain. MON NIGHT S winds 30 to 40 kt with gusts up to 45 kt. Seas 7 to 9 ft. Rain. TUE SW winds 25 to 30 kt. Seas 5 to 8 ft. Rain likely. TUE NIGHT W winds 25 to 30 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ232-131500- Nantucket Sound- 1006 PM EDT Thu Mar 12 2026 OVERNIGHT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 8 seconds. Snow this evening. Patchy fog. Vsby 1 NM or less. FRI W winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at 8 seconds. FRI NIGHT S winds 15 to 20 kt, becoming SW 25 to 30 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 3 ft at 9 seconds and S 2 ft at 5 seconds, becoming S 5 ft at 8 seconds and S 3 ft at 5 seconds. SAT W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SW 4 ft at 9 seconds. SAT NIGHT W winds 20 to 25 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 9 seconds. SUN N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and SW 1 foot at 8 seconds. SUN NIGHT SE winds 15 to 20 kt, increasing to 25 to 30 kt after midnight. Seas 2 to 4 ft. A chance of rain after midnight. MON SE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Rain. MON NIGHT S winds 30 to 40 kt with gusts up to 45 kt. Seas 7 to 9 ft. Rain. TUE SW winds 25 to 30 kt. Seas 5 to 8 ft. Rain likely. TUE NIGHT W winds 25 to 30 kt. Seas 4 to 6 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. $$