ANZ300-181000-
229 PM EDT Mon Aug 17 2026
.Synopsis for the Long Island and Connecticut coastal waters...
A frontal system and weak low pressure move across the eastern
ocean waters through this evening. High pressure builds in
tonight through Wednesday. A cold front moves across the waters
late Wednesday night, stalling to the south through Saturday with
multiple waves of low pressure moving along it.
$$
ANZ237-181800- Block Island Sound- 102 AM EDT Tue Aug 18 2026 REST OF TONIGHT N winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Patchy fog. Vsby 1 NM or less. TUE N winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. TUE NIGHT SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog after midnight. WED NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning. WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. THU AND THU NIGHT N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and SE 2 ft at 8 seconds. A chance of showers. FRI THROUGH SAT NIGHT E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ237-181800- Block Island Sound- 102 AM EDT Tue Aug 18 2026 REST OF TONIGHT N winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Patchy fog. Vsby 1 NM or less. TUE N winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. TUE NIGHT SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog after midnight. WED NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning. WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. THU AND THU NIGHT N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and SE 2 ft at 8 seconds. A chance of showers. FRI THROUGH SAT NIGHT E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. 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. $$