ANZ200-280000-
704 AM EDT Mon Jul 27 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
Calm seas continue into Mon with high pres over the
waters. Increasing risk for rough seas towards the middle of next
week as low pressure approaches from the W. This will also bring
periodic chances for showers and perhaps thunderstorms Tue through
mid-week. Rough seas should start to diminish heading into the back
half of the week.
$$
ANZ254-280000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 704 AM EDT Mon Jul 27 2026 TODAY N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 4 seconds. TONIGHT SE winds around 5 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 3 ft at 8 seconds. TUE S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 7 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. TUE NIGHT SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. Showers likely with a chance of tstms. Patchy fog in the evening with vsby 1 NM or less. WED E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and S 3 ft at 6 seconds. Patchy fog. Scattered showers in the morning. Showers in the afternoon. WED NIGHT SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and SE 2 ft at 11 seconds. Showers in the evening. A chance of showers after midnight. THU SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. THU NIGHT AND FRI NW winds 10 to 15 kt, becoming N 5 to 10 kt. Seas 4 to 6 ft. FRI NIGHT NW winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
ANZ254-280000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 704 AM EDT Mon Jul 27 2026 TODAY N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 4 seconds. TONIGHT SE winds around 5 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 3 ft at 8 seconds. TUE S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 7 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. TUE NIGHT SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. Showers likely with a chance of tstms. Patchy fog in the evening with vsby 1 NM or less. WED E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and S 3 ft at 6 seconds. Patchy fog. Scattered showers in the morning. Showers in the afternoon. WED NIGHT SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and SE 2 ft at 11 seconds. Showers in the evening. A chance of showers after midnight. THU SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. THU NIGHT AND FRI NW winds 10 to 15 kt, becoming N 5 to 10 kt. Seas 4 to 6 ft. FRI NIGHT NW winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. 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. $$