Hazardous marine condition(s):
Gale Warning
ANZ200-210000-
703 AM EDT Tue Oct 20 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.
$$
ANZ231-210000- Cape Cod Bay- 703 AM EDT Tue Oct 20 2026 GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING TODAY NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds and N 4 ft at 4 seconds. TONIGHT NE winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 6 ft at 10 seconds. WED NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 6 ft at 9 seconds. WED NIGHT NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds. A chance of showers. THU N winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds. THU NIGHT N winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 5 ft at 9 seconds. FRI N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. SAT AND SAT NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ231-210000- Cape Cod Bay- 703 AM EDT Tue Oct 20 2026 GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING TODAY NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds and N 4 ft at 4 seconds. TONIGHT NE winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 6 ft at 10 seconds. WED NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 6 ft at 9 seconds. WED NIGHT NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds. A chance of showers. THU N winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds. THU NIGHT N winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 5 ft at 9 seconds. FRI N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. SAT AND SAT NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt. Seas 2 to 4 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. $$