Hazardous marine condition(s):
Small Craft Advisory
ANZ200-172330-
529 AM EST Sat Jan 17 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
A weak cold front approaches the waters from the west today and
tonight. Low pres develops off the mid Atlc coast Sun and tracks
S and E of the Benchmark late Sun and Sun night. Weak high pres
moves into the waters Mon, then an arctic front will cross the
waters Mon night followed by gale force westerly wind gusts and
moderate freezing spray into Tue. High pres builds into the waters
Tue night moving offshore Wed.
$$
ANZ256-172330- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 529 AM EST Sat Jan 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING TODAY SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and SE 3 ft at 11 seconds. A slight chance of rain this afternoon. TONIGHT W winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and SE 6 ft at 10 seconds. SUN W winds 5 to 10 kt, becoming NW in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. A chance of rain in the morning, then snow in the afternoon. SUN NIGHT N winds around 10 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SW 3 ft at 7 seconds. Snow, mainly in the evening with vsby 1 NM or less. MON W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. Wave Detail: SW 4 ft at 7 seconds and SE 3 ft at 8 seconds, becoming SW 8 ft at 7 seconds and S 3 ft at 9 seconds. MON NIGHT W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: SW 8 ft at 7 seconds and SE 3 ft at 9 seconds. TUE W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Light freezing spray. TUE NIGHT W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Light freezing spray. WED SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Light freezing spray. WED NIGHT SW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ256-172330- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 529 AM EST Sat Jan 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING TODAY SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and SE 3 ft at 11 seconds. A slight chance of rain this afternoon. TONIGHT W winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and SE 6 ft at 10 seconds. SUN W winds 5 to 10 kt, becoming NW in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. A chance of rain in the morning, then snow in the afternoon. SUN NIGHT N winds around 10 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SW 3 ft at 7 seconds. Snow, mainly in the evening with vsby 1 NM or less. MON W winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. Wave Detail: SW 4 ft at 7 seconds and SE 3 ft at 8 seconds, becoming SW 8 ft at 7 seconds and S 3 ft at 9 seconds. MON NIGHT W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: SW 8 ft at 7 seconds and SE 3 ft at 9 seconds. TUE W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Light freezing spray. TUE NIGHT W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Light freezing spray. WED SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Light freezing spray. WED NIGHT SW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 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. $$