fzus51 kbox 212005
cwfbox
expires:202608220900;;126207

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri aug 21 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-220900-
boston harbor-
405 pm edt fri aug 21 2026

.tonight...ne winds 5 to 10 kt. waves 1 foot or less, then around
2 ft after midnight. a slight chance of showers. 
.sat...ne winds 10 to 15 kt. waves around 2 ft. a chance of
showers. 
.sat night...n winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves 1 foot or less. patchy fog. a chance of showers. 
.sun...e winds 5 to 10 kt. waves 1 foot or less. a chance of
showers. patchy fog in the morning. 
.sun night through mon night...w winds 5 to 10 kt. waves around
2 ft. 
.tue through wed night...sw winds 5 to 10 kt. waves 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.

$$

fzus51 kbox 212005
cwfbox
expires:202608220900;;126196

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri aug 21 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-220900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt fri aug 21 2026

.tonight...ne winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: n
2 ft at 4 seconds and se 2 ft at 5 seconds. a slight chance of
showers this evening. a chance of showers after midnight. 
.sat...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: e 3 ft at 5 seconds and e 2 ft at
8 seconds. a chance of showers. 
.sat night...ne winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds and n 1 foot at
4 seconds. patchy fog. a chance of showers after midnight. 
.sun...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 4 seconds and n 1 foot at 4 seconds. a chance of showers.
patchy fog in the morning. 
.sun night through mon night...w winds 5 to 10 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and
sw 1 foot at 3 seconds. 
.tue through wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: se 2 ft at 6 seconds and w 1 foot at 3 seconds.  

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.

$$