Hazardous marine condition(s):
Storm Watch
ANZ200-151800-
105 AM EDT Sun Mar 15 2026
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves offshore today. A warm front will lift N across the
waters tonight followed by strong low pres lifting into Quebec on
Mon. Gale to storm force S wind gusts develop late Mon into Mon
night followed by near gale force W wind gusts Tue behind a strong
cold front. High pres builds over the waters Wed into Thu, moving
offshore Fri.
$$
ANZ237-151800- Block Island Sound- 105 AM EDT Sun Mar 15 2026 STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING REST OF TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. SUN NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 8 seconds. SUN NIGHT SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 2 ft at 5 seconds and SE 1 foot at 10 seconds, becoming SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Patchy fog after midnight. Rain likely after midnight with vsby 1 to 3 NM. MON S winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. Wave Detail: SE 8 ft at 7 seconds, becoming S 10 ft at 9 seconds and SE 2 ft at 6 seconds. Patchy fog in the morning. Areas of dense fog in the afternoon. Rain with a chance of tstms. Vsby 1 NM or less. MON NIGHT S winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 13 ft, building to 11 to 15 ft after midnight. Wave Detail: S 13 ft at 10 seconds and S 6 ft at 9 seconds, becoming S 15 ft at 11 seconds and SW 4 ft at 7 seconds. Rain. Areas of dense fog in the evening. TUE W winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to 12 ft, subsiding to 7 to 10 ft in the afternoon. Wave Detail: S 12 ft at 11 seconds and W 4 ft at 6 seconds, becoming S 9 ft at 11 seconds and W 5 ft at 5 seconds. A chance of rain in the morning. TUE NIGHT W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. WED W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. WED NIGHT THROUGH THU NIGHT SE winds 5 to 10 kt. Seas 2 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. $$
ANZ237-151800- Block Island Sound- 105 AM EDT Sun Mar 15 2026 STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING REST OF TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. SUN NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 8 seconds. SUN NIGHT SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 2 ft at 5 seconds and SE 1 foot at 10 seconds, becoming SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Patchy fog after midnight. Rain likely after midnight with vsby 1 to 3 NM. MON S winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. Wave Detail: SE 8 ft at 7 seconds, becoming S 10 ft at 9 seconds and SE 2 ft at 6 seconds. Patchy fog in the morning. Areas of dense fog in the afternoon. Rain with a chance of tstms. Vsby 1 NM or less. MON NIGHT S winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 13 ft, building to 11 to 15 ft after midnight. Wave Detail: S 13 ft at 10 seconds and S 6 ft at 9 seconds, becoming S 15 ft at 11 seconds and SW 4 ft at 7 seconds. Rain. Areas of dense fog in the evening. TUE W winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to 12 ft, subsiding to 7 to 10 ft in the afternoon. Wave Detail: S 12 ft at 11 seconds and W 4 ft at 6 seconds, becoming S 9 ft at 11 seconds and W 5 ft at 5 seconds. A chance of rain in the morning. TUE NIGHT W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. WED W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. WED NIGHT THROUGH THU NIGHT SE winds 5 to 10 kt. Seas 2 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. $$