Hazardous marine condition(s):
Small Craft Advisory
ANZ200-230300-
1003 AM EDT Wed Jul 22 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front approaches the waters from the west today. Gusty SW
flow will continue to promote rough seas especially across the open
waters south of the outer-Islands today. This cold front will cross
the waters late tonight into early Thu. High pres builds across the
waters later Thu and into the weekend, bringing more pleasant
boating weather to the region.
$$
ANZ256-230300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 1003 AM EDT Wed Jul 22 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING THIS AFTERNOON SW winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 7 to 9 ft. Wave Detail: S 8 ft at 7 seconds. A chance of showers. TONIGHT SW winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 6 to 8 ft. Wave Detail: S 8 ft at 9 seconds and E 7 ft at 10 seconds. THU N winds 5 to 10 kt, becoming E in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and NE 2 ft at 8 seconds. THU NIGHT SE winds 5 to 10 kt, becoming NE after midnight. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and E 1 foot at 8 seconds. FRI AND FRI NIGHT NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds. SAT THROUGH SUN NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 3 ft at 11 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ256-230300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 1003 AM EDT Wed Jul 22 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING THIS AFTERNOON SW winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 7 to 9 ft. Wave Detail: S 8 ft at 7 seconds. A chance of showers. TONIGHT SW winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 6 to 8 ft. Wave Detail: S 8 ft at 9 seconds and E 7 ft at 10 seconds. THU N winds 5 to 10 kt, becoming E in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and NE 2 ft at 8 seconds. THU NIGHT SE winds 5 to 10 kt, becoming NE after midnight. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and E 1 foot at 8 seconds. FRI AND FRI NIGHT NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds. SAT THROUGH SUN NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 3 ft at 11 seconds. 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. $$