Hazardous marine condition(s):
Small Craft Advisory
ANZ200-172100-
405 AM EDT Mon Aug 17 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres shifts east of the waters tonight. Low pres then
approaches from the west bringing gusty S winds and building seas
that have prompted Small Craft Advisories late tonight into Mon. The
associated cold front crosses the region late Mon into Mon night.
High pres returns Tue and Wed moving off the coast Thu ahead of the
next cold front.
$$
ANZ234-172100- Buzzards Bay- 405 AM EDT Mon Aug 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING TODAY S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and SW 3 ft at 4 seconds. Patchy fog. Showers likely. A slight chance of tstms this afternoon with vsby 1 NM or less. TONIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at 10 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. TUE N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. TUE NIGHT NE winds around 5 kt, becoming NW around 5 kt after midnight. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 6 seconds. WED AND WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. THU W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 5 seconds. THU NIGHT W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. FRI NE winds 5 to 10 kt. Seas 1 foot or less. FRI NIGHT E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ234-172100- Buzzards Bay- 405 AM EDT Mon Aug 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING TODAY S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and SW 3 ft at 4 seconds. Patchy fog. Showers likely. A slight chance of tstms this afternoon with vsby 1 NM or less. TONIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at 10 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. TUE N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. TUE NIGHT NE winds around 5 kt, becoming NW around 5 kt after midnight. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 6 seconds. WED AND WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. THU W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 5 seconds. THU NIGHT W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. FRI NE winds 5 to 10 kt. Seas 1 foot or less. FRI NIGHT E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. 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. $$