Hazardous marine condition(s):
Small Craft Advisory
ANZ200-211000-
405 PM EST Tue Jan 20 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
Gusty westerly wind and light freezing spray tonight, high pressure
briefly follows Wednesday with weak low pressure bringing gusty
winds on Thursday. Arctic high pressure arrives from the north this
weekend, with a developing coastal storm south towards the Mid
Atlantic states. There is potential for moderate to heavy freezing
spray for this coming weekend.
$$
ANZ256-211000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 405 PM EST Tue Jan 20 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING TONIGHT W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave Detail: W 6 ft at 6 seconds and SE 3 ft at 9 seconds, becoming NW 5 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of light freezing spray this evening. WED W winds 10 to 15 kt, becoming SW 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 9 seconds. WED NIGHT SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, building to 7 to 8 ft after midnight. Wave Detail: SW 7 ft at 7 seconds and SE 2 ft at 10 seconds, becoming SW 8 ft at 8 seconds and SE 1 foot at 11 seconds. A chance of rain after midnight. THU W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 8 ft. Wave Detail: SW 8 ft at 8 seconds and SE 2 ft at 10 seconds. THU NIGHT W winds 20 to 25 kt. Gusts up to 35 kt in the evening. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and SE 2 ft at 10 seconds. FRI W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 11 seconds. FRI NIGHT NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of freezing spray. SAT NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of freezing spray. SAT NIGHT AND SUN N winds 15 to 20 kt, becoming NE 20 to 25 kt. Seas 3 to 5 ft. A chance of light freezing spray. A chance of snow. Vsby 1 NM or less. SUN NIGHT NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of light freezing spray. A chance of snow. Vsby 1 NM or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ256-211000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 405 PM EST Tue Jan 20 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING TONIGHT W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave Detail: W 6 ft at 6 seconds and SE 3 ft at 9 seconds, becoming NW 5 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of light freezing spray this evening. WED W winds 10 to 15 kt, becoming SW 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 9 seconds. WED NIGHT SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, building to 7 to 8 ft after midnight. Wave Detail: SW 7 ft at 7 seconds and SE 2 ft at 10 seconds, becoming SW 8 ft at 8 seconds and SE 1 foot at 11 seconds. A chance of rain after midnight. THU W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 8 ft. Wave Detail: SW 8 ft at 8 seconds and SE 2 ft at 10 seconds. THU NIGHT W winds 20 to 25 kt. Gusts up to 35 kt in the evening. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and SE 2 ft at 10 seconds. FRI W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 11 seconds. FRI NIGHT NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of freezing spray. SAT NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of freezing spray. SAT NIGHT AND SUN N winds 15 to 20 kt, becoming NE 20 to 25 kt. Seas 3 to 5 ft. A chance of light freezing spray. A chance of snow. Vsby 1 NM or less. SUN NIGHT NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of light freezing spray. A chance of snow. Vsby 1 NM or less. 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. $$