fzus51 kbox 200504
cwfbox
expires:202505201800;;826851

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue may 20 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-201800-
boston harbor-
104 am edt tue may 20 2025

...small craft advisory in effect until 2 am edt early this
morning...

.rest of tonight...nw winds around 15 kt with gusts up to 30 kt.
waves around 2 ft. 
.tue...n winds 10 to 15 kt with gusts up to 25 kt. waves around
2 ft in the morning, then 1 foot or less. 
.tue night...ne winds 5 to 10 kt. waves 1 foot or less. a chance
of showers after midnight. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.wed night...e winds 10 to 15 kt. gusts up to 20 kt, increasing
to 30 kt after midnight. waves 2 to 3 ft. a chance of showers
after midnight. 
.thu and thu night...ne winds 20 to 25 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
rain. vsby 1 to 3 nm. 
.fri...n winds 10 to 15 kt with gusts up to 30 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. rain likely.
.fri night through sat night...nw winds 5 to 10 kt with gusts up
to 20 kt. waves 2 to 3 ft. a chance of showers.  

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 200504
cwfbox
expires:202505201800;;826842

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue may 20 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-201800-
cape cod bay-
104 am edt tue may 20 2025

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...nw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 4 ft at 6 seconds. 
.tue...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 4 ft at 6 seconds. 
.tue night...ne winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 5 seconds. 
.wed night...e winds 10 to 15 kt. gusts up to 20 kt, increasing
to 30 kt after midnight. seas 2 to 3 ft. wave detail: ne 2 ft at
4 seconds. a chance of showers after midnight. 
.thu and thu night...ne winds 20 to 25 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: ne 4 ft at 4 seconds. rain likely in
the morning, then rain through the night. rain likely after
midnight. vsby 1 to 3 nm. 
.fri...n winds 10 to 15 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of rain. 
.fri night and sat...n winds around 10 kt with gusts up to 20 kt.
seas 2 to 4 ft. a chance of showers. 
.sat night...nw winds 5 to 10 kt with gusts up to 20 kt. seas
around 2 ft. a chance of showers.  

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 200504
cwfbox
expires:202505201800;;826840

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue may 20 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-201800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt tue may 20 2025

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...nw winds around 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: nw 5 ft at 5 seconds and e 3 ft at
8 seconds. 
.tue...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: n 5 ft at 6 seconds. 
.tue night...ne winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 4 to 5 ft. wave
detail: n 5 ft at 6 seconds. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 7 seconds. 
.wed night...e winds 10 to 15 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: ne 4 ft at 7 seconds. a chance of showers
after midnight. 
.thu...e winds 20 to 25 kt with gusts up to 40 kt. seas 5 to
8 ft, building to 8 to 11 ft in the afternoon. wave detail: e
7 ft at 7 seconds, becoming e 8 ft at 8 seconds. rain likely in
the morning, then rain in the afternoon with vsby 1 to 3 nm. 
.thu night...ne winds 20 to 25 kt with gusts up to 40 kt. seas
10 to 14 ft. rain. vsby 1 to 3 nm in the evening. 
.fri...n winds 15 to 20 kt with gusts up to 35 kt. seas 9 to
12 ft. rain likely. 
.fri night...n winds 10 to 15 kt with gusts up to 25 kt. seas
5 to 7 ft. a chance of showers. 
.sat and sat night...n winds around 10 kt, becoming nw. gusts up
to 20 kt. seas 2 to 4 ft. a chance of showers.  

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 kgyx 200229
cwfgyx
expires:202505201630;;821938

coastal waters forecast
national weather service gray me
1029 pm edt mon may 19 2025

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-201630-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
1029 pm edt mon may 19 2025

...small craft advisory in effect until 4 am edt tuesday...

.overnight...nw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: nw 3 ft at 4 seconds and se 2 ft at 8 seconds. a
slight chance of rain late this evening. 
.tue...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to 4 ft.
wave detail: n 3 ft at 4 seconds. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 7 seconds. 
.wed...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: e 3 ft at 7 seconds. 
.wed night...e winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 3 ft at 7 seconds. 
.thu...e winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: e 6 ft at 6 seconds. a
chance of rain in the morning, then rain likely in the afternoon. 
.thu night...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. rain.
.fri...n winds 15 to 20 kt with gusts up to 30 kt. seas 5 to 7 ft.
rain likely, mainly in the morning. 
.fri night...nw winds around 10 kt. seas 5 to 7 ft. a chance of rain
in the evening, then a chance of showers after midnight. 
.sat...n winds 5 to 10 kt. seas 4 to 6 ft. a chance of showers. 
.sat night...nw winds 5 to 10 kt. seas 3 to 4 ft. a chance of
showers in the evening.  

$$