Expires:202605100000;;268343
FZUS51 KBOX 091106
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
705 AM EDT Sat May 9 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 60 NM


ANZ237-100000-
Block Island Sound-
705 AM EDT Sat May 9 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH
LATE TONIGHT...

.TODAY...S winds 10 to 15 kt. Gusts up to 25 kt this afternoon.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 3 seconds and S 3 ft at
6 seconds. Showers likely this afternoon. 
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave
Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds. Patchy
fog. Showers likely in the evening. Vsby 1 to 3 NM. 
.SUN...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 to 3 NM. 
.SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at
3 seconds. Showers likely after midnight. 
.MON...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 7 seconds and E 2 ft at 8 seconds. Showers likely. 
.MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds and NW 1 foot at 3 seconds. A chance of showers
in the evening. 
.TUE THROUGH WED...S winds 10 to 15 kt. Seas 2 to 3 ft. 
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers likely.  

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.

$$