Hazardous marine condition(s):
Small Craft Advisory
Gale Warning
ANZ200-221800-
103 AM EDT Tue Sep 22 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
An anomalous area of high pres builds in from the north early this
week with a distant system off shore, which will provide a period of
strong E to NE wind near gale force, Tue afternoon into Wed. There
is potential for a coastal low to track northward New England late
week bringing strong winds and rough seas, which could linger into
the upcoming weekend.
$$
ANZ231-221800- Cape Cod Bay- 103 AM EDT Tue Sep 22 2026 REST OF TONIGHT NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 16 seconds. TUE NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 17 seconds. TUE NIGHT NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 14 seconds. WED NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 11 seconds and NE 4 ft at 4 seconds. WED NIGHT NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: NE 5 ft at 5 seconds and E 5 ft at 10 seconds. THU NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 10 seconds and NE 5 ft at 4 seconds. THU NIGHT NE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. A chance of showers. FRI NE winds 30 to 40 kt with gusts up to 50 kt. Seas 5 to 8 ft. Showers likely. FRI NIGHT THROUGH SAT NIGHT NE winds 30 to 40 kt with gusts up to 50 kt. Seas 6 to 9 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ231-221800- Cape Cod Bay- 103 AM EDT Tue Sep 22 2026 REST OF TONIGHT NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 16 seconds. TUE NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 17 seconds. TUE NIGHT NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 1 foot at 14 seconds. WED NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 11 seconds and NE 4 ft at 4 seconds. WED NIGHT NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: NE 5 ft at 5 seconds and E 5 ft at 10 seconds. THU NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 10 seconds and NE 5 ft at 4 seconds. THU NIGHT NE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. A chance of showers. FRI NE winds 30 to 40 kt with gusts up to 50 kt. Seas 5 to 8 ft. Showers likely. FRI NIGHT THROUGH SAT NIGHT NE winds 30 to 40 kt with gusts up to 50 kt. Seas 6 to 9 ft. Showers likely. 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. $$