Hazardous marine condition(s):
Small Craft Advisory
ANZ200-212100-
404 AM EDT Tue Jul 21 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
An approaching cold front will result in S-SW wind gusts approaching
gale force levels late Tue into Wed. Scattered thunderstorms may
result in even localized brief stronger wind gusts Tue night. In
addition...long southerly fetch will result in seas building to
between 7 and 12 feet across our southern waters by Wed. High pres
builds across the waters Thu into at least part of the weekend
bringing much lighter winds/lowering wave heights.
$$
ANZ234-212100- Buzzards Bay- 404 AM EDT Tue Jul 21 2026 SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING TODAY S winds 10 to 15 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 8 seconds. A chance of showers with a slight chance of tstms this afternoon. TONIGHT S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 foot at 12 seconds. Showers with a chance of tstms in the evening, then showers after midnight. WED SW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at 11 seconds. Showers likely, mainly in the morning. WED NIGHT SW winds 15 to 20 kt with gusts up to 30 kt, becoming NW around 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and S 4 ft at 9 seconds. A chance of showers. THU NW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E 2 ft at 4 seconds and SW 2 ft at 9 seconds. THU NIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and E 1 foot at 4 seconds. FRI THROUGH SAT NIGHT NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ234-212100- Buzzards Bay- 404 AM EDT Tue Jul 21 2026 SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING TODAY S winds 10 to 15 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 8 seconds. A chance of showers with a slight chance of tstms this afternoon. TONIGHT S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 foot at 12 seconds. Showers with a chance of tstms in the evening, then showers after midnight. WED SW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at 11 seconds. Showers likely, mainly in the morning. WED NIGHT SW winds 15 to 20 kt with gusts up to 30 kt, becoming NW around 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and S 4 ft at 9 seconds. A chance of showers. THU NW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E 2 ft at 4 seconds and SW 2 ft at 9 seconds. THU NIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and E 1 foot at 4 seconds. FRI THROUGH SAT NIGHT NE winds 5 to 10 kt. Seas around 2 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. $$