ANZ200-311800-
103 AM EDT Tue Mar 31 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
A backdoor cold front will drop south across the waters this
afternoon, settling over RI and southeast MA later today. The front
should lift back north tonight before dropping south again Wed. Low
pres should approach the Great Lakes Thu and Fri.
$$
ANZ251-311800- Massachusetts Bay and Ipswich Bay- 103 AM EDT Tue Mar 31 2026 REST OF TONIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers. TUE SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 8 seconds. Patchy fog. Showers likely in the morning. A chance of showers in the afternoon. Vsby 1 NM or less. TUE NIGHT NE winds 10 to 15 kt, becoming SW after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and NE 2 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the evening. WED W winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 6 seconds. A chance of showers in the morning, then showers likely in the afternoon. Patchy fog in the afternoon with vsby 1 to 3 NM. WED NIGHT NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and SW 2 ft at 4 seconds. Showers likely. Patchy fog in the evening with vsby 1 NM or less. THU AND THU NIGHT E winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and S 1 foot at 6 seconds. A chance of showers. FRI S winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers. FRI NIGHT AND SAT SW winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. SAT NIGHT E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ251-311800- Massachusetts Bay and Ipswich Bay- 103 AM EDT Tue Mar 31 2026 REST OF TONIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers. TUE SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 8 seconds. Patchy fog. Showers likely in the morning. A chance of showers in the afternoon. Vsby 1 NM or less. TUE NIGHT NE winds 10 to 15 kt, becoming SW after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and NE 2 ft at 4 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the evening. WED W winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 6 seconds. A chance of showers in the morning, then showers likely in the afternoon. Patchy fog in the afternoon with vsby 1 to 3 NM. WED NIGHT NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and SW 2 ft at 4 seconds. Showers likely. Patchy fog in the evening with vsby 1 NM or less. THU AND THU NIGHT E winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and S 1 foot at 6 seconds. A chance of showers. FRI S winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers. FRI NIGHT AND SAT SW winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. SAT NIGHT E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$