Hazardous marine condition(s):
Gale Warning
ANZ200-211800-
103 AM EDT Wed Oct 21 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure over the northern waters and a low pressure system
developing off the southern Mid Atlantic coast linger through the
end of the week. The worst impacts from this storm may remain south
of our waters, though northeast gale-force winds and rough seas are
still expected, especially across the southern waters. High pressure
brings light winds and seas 2-5 ft.
$$
ANZ232-211800- Nantucket Sound- 103 AM EDT Wed Oct 21 2026 GALE WARNING IN EFFECT THROUGH THURSDAY MORNING REST OF TONIGHT NE winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 4 ft at 10 seconds. WED NE winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and NE 5 ft at 5 seconds. Patchy fog in the afternoon. A chance of showers and tstms in the afternoon with vsby 1 to 3 NM. WED NIGHT NE winds 25 to 35 kt, becoming N 30 to 35 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at 10 seconds. Patchy fog. Showers. A chance of tstms in the evening, then tstms likely after midnight. Vsby 1 to 3 NM. THU N winds 25 to 35 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 4 ft at 10 seconds. Patchy fog in the morning. Showers with a chance of tstms in the morning with vsby 1 to 3 NM. THU NIGHT AND FRI N winds 25 to 35 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 3 ft at 9 seconds. FRI NIGHT N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: N 4 ft at 4 seconds and E 2 ft at 10 seconds. SAT THROUGH SUN NIGHT SW winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ232-211800- Nantucket Sound- 103 AM EDT Wed Oct 21 2026 GALE WARNING IN EFFECT THROUGH THURSDAY MORNING REST OF TONIGHT NE winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 4 ft at 10 seconds. WED NE winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and NE 5 ft at 5 seconds. Patchy fog in the afternoon. A chance of showers and tstms in the afternoon with vsby 1 to 3 NM. WED NIGHT NE winds 25 to 35 kt, becoming N 30 to 35 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at 10 seconds. Patchy fog. Showers. A chance of tstms in the evening, then tstms likely after midnight. Vsby 1 to 3 NM. THU N winds 25 to 35 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 4 ft at 10 seconds. Patchy fog in the morning. Showers with a chance of tstms in the morning with vsby 1 to 3 NM. THU NIGHT AND FRI N winds 25 to 35 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds and E 3 ft at 9 seconds. FRI NIGHT N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: N 4 ft at 4 seconds and E 2 ft at 10 seconds. SAT THROUGH SUN NIGHT SW winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas 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. $$