fzus51 kbox 311704
cwfbox
expires:202608010600;;396935

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt fri jul 31 2026

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


anz230-010600-
boston harbor-
104 pm edt fri jul 31 2026

.this afternoon...se winds 5 to 10 kt. waves 1 foot or less. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. waves
1 foot or less. patchy fog after midnight with vsby 1 to 3 nm. 
.sat...w winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. patchy fog in the morning with vsby 1 nm or less.
.sat night...s winds 5 to 10 kt. waves 1 foot or less. 
.sun...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. waves 1 foot or less, then around 2 ft in the
afternoon. 
.sun night...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less.
a chance of showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers likely with a chance of tstms. 
.mon night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers and tstms. 
.tue and tue night...sw winds 5 to 10 kt. waves 1 foot or less.  

winds and waves 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.

$$

fzus51 kbox 311704
cwfbox
expires:202608010600;;396924

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt fri jul 31 2026

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


anz250-010600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt fri jul 31 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 3 ft at 9 seconds and e 2 ft at 6 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 6 seconds and se 2 ft at 9 seconds. 
.sat...w winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and sw 1 foot at
2 seconds. patchy fog. vsby 1 nm or less. 
.sat night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 3 seconds and se 2 ft at 9 seconds. 
.sun...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and se 2 ft at 7 seconds. 
.sun night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and se
2 ft at 8 seconds. a chance of showers after midnight. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.tue and tue night...sw winds 5 to 10 kt. seas 2 to 3 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.

$$