fzus51 kbox 171706
cwfbox
expires:202607180600;;127870

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt fri jul 17 2026

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


anz230-180600-
boston harbor-
105 pm edt fri jul 17 2026

...small craft advisory in effect from saturday morning through
sunday morning...

.this afternoon...w winds 5 to 10 kt. waves around 2 ft. 
.tonight...sw winds around 5 kt. waves 1 foot or less. patchy
smoke after midnight. 
.sat...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 30 kt in the afternoon. waves around 2 ft. patchy smoke.
showers likely in the afternoon. 
.sat night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. waves around 2 ft. showers. a
chance of tstms in the evening. some tstms may produce heavy
rainfall in the evening. 
.sun and sun night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.mon and mon night...w winds 5 to 10 kt, becoming s. waves around
2 ft. 
.tue...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. showers. 

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 171706
cwfbox
expires:202607180600;;127859

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt fri jul 17 2026

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


anz250-180600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt fri jul 17 2026

...small craft advisory in effect from saturday morning through
sunday morning...

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 4 seconds and s 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 4 seconds and n 1 foot at 4 seconds. patchy smoke after
midnight. 
.sat...s winds 5 to 10 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 35 kt in the afternoon. seas around
2 ft, building to 3 to 5 ft in the afternoon. wave detail: s 2 ft
at 3 seconds and n 1 foot at 3 seconds, becoming s 4 ft at
4 seconds and n 2 ft at 3 seconds. patchy smoke. a chance of
showers in the afternoon. 
.sat night...sw winds 20 to 25 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot at
14 seconds. a chance of showers. a chance of tstms in the
evening. some tstms may produce heavy rainfall in the evening. 
.sun and sun night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 3 ft at 6 seconds and w 2 ft at
4 seconds. 
.mon through tue...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at
9 seconds. 
.tue night...s winds around 15 kt with gusts up to 25 kt. seas
around 3 ft. showers. 

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.

$$