fzus51 kbox 301704
cwfbox
expires:202607310600;;341977

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 30 2026

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


anz230-310600-
boston harbor-
104 pm edt thu jul 30 2026

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. patchy fog. showers likely with a slight
chance of tstms. vsby 1 to 3 nm. 
.tonight...n winds 5 to 10 kt. waves around 2 ft in the evening,
then 1 foot or less. patchy fog in the evening. a chance of
showers in the evening with vsby 1 to 3 nm. 
.fri...nw winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...sw winds around 5 kt. waves 1 foot or less. 
.sat and sat night...sw winds 5 to 10 kt. waves 1 foot or less. 
.sun...s winds 10 to 15 kt. waves around 2 ft. 
.sun night...s winds 5 to 10 kt. waves around 2 ft. showers
likely. 
.mon...sw winds around 5 kt. waves 1 foot or less. a chance of
showers. 
.mon night...w winds around 5 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 301704
cwfbox
expires:202607310600;;341966

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 30 2026

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


anz250-310600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt thu jul 30 2026

...small craft advisory in effect until 8 pm edt this evening...

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

winds and seas 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.

$$