fzus51 kbox 182005
cwfbox
expires:202607190900;;193991

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat jul 18 2026

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


anz230-190900-
boston harbor-
405 pm edt sat jul 18 2026

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

.tonight...sw winds 15 to 20 kt. gusts up to 30 kt this evening.
waves around 2 ft. a chance of showers and tstms, mainly this
evening. smoke this evening with vsby 1 to 3 nm. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.sun night...nw winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.mon...w winds around 5 kt, becoming s in the afternoon. waves
1 foot or less. 
.mon night...s winds 5 to 10 kt. waves 1 foot or less. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. a chance of showers
in the afternoon. 
.tue night...se winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. showers. a chance of tstms after midnight. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. showers with a chance of tstms. 
.thu...sw winds 5 to 10 kt. waves 1 foot or less. a chance of
showers. 
.thu night...w 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 182005
cwfbox
expires:202607190900;;193980

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat jul 18 2026

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


anz250-190900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt sat jul 18 2026

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

.tonight...s winds 20 to 25 kt, becoming sw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: s 5 ft
at 6 seconds and sw 3 ft at 4 seconds. a chance of showers. a
chance of tstms this evening, then a slight chance of tstms after
midnight. areas of smoke this evening with vsby 1 to 3 nm. 
.sun...nw winds 10 to 15 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. 
.sun night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
n 2 ft at 5 seconds and sw 1 foot at 3 seconds. 
.mon...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: w 1 foot at 4 seconds and se 1 foot at
8 seconds. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 2 ft at 3 seconds and n 1 foot at
3 seconds. 
.tue...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 3 ft at 4 seconds and se 2 ft at 8 seconds.
a chance of showers in the afternoon. 
.tue night...se winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. a chance of tstms. a chance of showers in the evening,
then showers after midnight. 
.wed...s winds 15 to 20 kt with gusts up to 35 kt. seas 4 to
6 ft. showers likely. 
.wed night...sw winds 15 to 20 kt with gusts up to 35 kt. seas
4 to 6 ft. showers likely. 
.thu...sw winds 5 to 10 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.thu night...sw winds 5 to 10 kt. seas 2 to 4 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.

$$