Expires:202608181200;;904098
FZUS51 KBOX 172303
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
703 PM EDT Mon Aug 17 2026

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


ANZ251-181200-
Massachusetts Bay and Ipswich Bay-
703 PM EDT Mon Aug 17 2026

.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
around 2 ft this evening, then 1 foot or less. Wave Detail: SE
2 ft at 4 seconds and E 1 foot at 8 seconds, becoming SE 1 foot
at 4 seconds. Patchy fog. A chance of showers, mainly this
evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after
midnight. 
.TUE...N winds around 5 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SE 1 foot at 4 seconds, becoming
SE 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 NM or
less. 
.TUE NIGHT...NE winds around 5 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and N 1 foot at
2 seconds. Patchy fog after midnight with vsby 1 to 3 NM. 
.WED...W winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 7 seconds and E 2 ft at
8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. 
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 7 seconds and S 1 foot at 3 seconds. 
.THU AND THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 7 seconds and SW 1 foot at 2 seconds. 
.FRI AND FRI NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. 
.SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas around 2 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.

$$