Hazardous marine condition(s):
Small Craft Advisory
ANZ200-191800-
102 AM EDT Sat Sep 19 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure builds back in from the NNW this afternoon into
Saturday. Then a developing low pressure system brings the threat of
widespread rain, especially the southern waters on Sunday. High
pressure builds in from the north early next week with the distant
system off shore, this could provide a period of strong easterly
wind, near gale force, Tuesday into Wednesday.
$$
ANZ231-191800- Cape Cod Bay- 102 AM EDT Sat Sep 19 2026 SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY REST OF TONIGHT N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds. SAT NE winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds. SAT NIGHT E winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft at 6 seconds. SUN SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and SE 1 foot at 4 seconds. Patchy fog in the afternoon. Showers in the afternoon. SUN NIGHT SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SE 1 foot at 2 seconds and NE 1 foot at 5 seconds, becoming E 1 foot at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM. MON NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds. A chance of showers in the morning. MON NIGHT NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. TUE THROUGH WED NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. WED NIGHT E winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ231-191800- Cape Cod Bay- 102 AM EDT Sat Sep 19 2026 SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY REST OF TONIGHT N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds. SAT NE winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds. SAT NIGHT E winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft at 6 seconds. SUN SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and SE 1 foot at 4 seconds. Patchy fog in the afternoon. Showers in the afternoon. SUN NIGHT SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SE 1 foot at 2 seconds and NE 1 foot at 5 seconds, becoming E 1 foot at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM. MON NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds. A chance of showers in the morning. MON NIGHT NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. TUE THROUGH WED NE winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. WED NIGHT E winds 25 to 30 kt with gusts up to 35 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. $$