Expires:202608171500;;321684
FZUS51 KBOX 170204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Sun Aug 16 2026

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


ANZ237-171500-
Block Island Sound-
1003 PM EDT Sun Aug 16 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
LATE MONDAY NIGHT...

.OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 foot at
9 seconds. A slight chance of showers, then a chance of showers. 
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: SE 4 ft at 5 seconds and SE 1 foot at
9 seconds. Patchy fog. Showers likely in the morning. A chance of
showers in the afternoon. Vsby 1 to 3 NM. 
.MON NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at
9 seconds. Patchy fog in the evening. 
.TUE...N winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. 
.TUE NIGHT THROUGH WED NIGHT...W winds 5 to 10 kt. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 7 seconds. 
.THU AND THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: W 1 foot at 5 seconds and E 1 foot at 6 seconds. A chance
of showers. 
.FRI AND FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft.  

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.

$$