Hazardous marine condition(s):
Small Craft Advisory
ANZ200-181300-
704 PM EST Sat Jan 17 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front moves across the waters late this evening. Low pres
develops off the Mid Atlc coast Sun and tracks S and E of the waters
late Sun and Sun night. Weak high pres moves over 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 before moving offshore
Wed.
$$
ANZ256-181300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 704 PM EST Sat Jan 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING TONIGHT W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds. SUN E winds around 5 kt, becoming NE 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. A chance of rain in the morning, then rain and snow in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. SUN NIGHT NE winds 10 to 15 kt, becoming NW with gusts up to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 2 ft at 3 seconds. Snow with a chance of rain in the evening, then a chance of snow after midnight. Vsby 1 NM or less. MON W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 5 ft, building to 5 to 8 ft in the afternoon. Wave Detail: W 5 ft at 5 seconds and SE 4 ft at 8 seconds, becoming SW 8 ft at 7 seconds and SE 5 ft at 10 seconds. MON NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 8 seconds and SE 4 ft at 10 seconds. TUE AND TUE NIGHT W winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 8 seconds and SE 2 ft at 10 seconds. A chance of light freezing spray. WED SW winds 20 to 25 kt. Seas 5 to 7 ft. WED NIGHT SW winds 25 to 30 kt. Seas 7 to 10 ft. THU SW winds 20 to 25 kt. Seas 6 to 9 ft. A chance of rain. THU NIGHT NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ256-181300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 704 PM EST Sat Jan 17 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING TONIGHT W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds. SUN E winds around 5 kt, becoming NE 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. A chance of rain in the morning, then rain and snow in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. SUN NIGHT NE winds 10 to 15 kt, becoming NW with gusts up to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 2 ft at 3 seconds. Snow with a chance of rain in the evening, then a chance of snow after midnight. Vsby 1 NM or less. MON W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 5 ft, building to 5 to 8 ft in the afternoon. Wave Detail: W 5 ft at 5 seconds and SE 4 ft at 8 seconds, becoming SW 8 ft at 7 seconds and SE 5 ft at 10 seconds. MON NIGHT W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 8 seconds and SE 4 ft at 10 seconds. TUE AND TUE NIGHT W winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 8 seconds and SE 2 ft at 10 seconds. A chance of light freezing spray. WED SW winds 20 to 25 kt. Seas 5 to 7 ft. WED NIGHT SW winds 25 to 30 kt. Seas 7 to 10 ft. THU SW winds 20 to 25 kt. Seas 6 to 9 ft. A chance of rain. THU NIGHT NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 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. $$