fzus51 kbox 172004
cwfbox
expires:202605180900;;727635

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun may 17 2026

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


anz230-180900-
boston harbor-
404 pm edt sun may 17 2026

.tonight...nw winds 5 to 10 kt, becoming ne after midnight. waves
around 2 ft this evening, then 1 foot or less. 
.mon...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 1 foot or less, then around
2 ft in the afternoon. 
.mon night...s winds 10 to 15 kt. waves around 2 ft. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.tue night...sw winds around 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.wed and wed night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. showers likely through the night. 
.thu through fri...e winds 10 to 15 kt. waves around 2 ft. 
.fri night...se winds 5 to 10 kt. waves 1 foot or less. 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 172004
cwfbox
expires:202605180900;;727626

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun may 17 2026

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


anz231-180900-
cape cod bay-
404 pm edt sun may 17 2026

.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 5 to 10 kt after midnight. seas around 2 ft this evening, then
1 foot or less. wave detail: w 1 foot at 3 seconds and se 1 foot
at 9 seconds, becoming nw 1 foot at 3 seconds and e 1 foot at
8 seconds. 
.mon...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: ne 1 foot at 2 seconds and nw
1 foot at 3 seconds, becoming e 1 foot at 2 seconds and nw 1 foot
at 3 seconds. 
.mon night...s winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: se 1 foot at 3 seconds
and e 1 foot at 14 seconds. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 4 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: sw 2 ft at 4 seconds and se 2 ft at
10 seconds. 
.wed and wed night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 2 ft at 3 seconds and se 2 ft at
9 seconds. a chance of showers through the night. 
.thu through fri...e winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.fri night...se winds 5 to 10 kt. seas 1 foot or less. 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 172004
cwfbox
expires:202605180900;;727624

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun may 17 2026

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


anz250-180900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt sun may 17 2026

.tonight...w winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
3 seconds. 
.mon...e winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 4 seconds. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt in the afternoon. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 3 ft at 8 seconds.
.tue night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at
8 seconds. 
.wed and wed night...nw winds around 15 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se
3 ft at 8 seconds. a chance of showers through the night. 
.thu through fri...e winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...se winds 5 to 10 kt. seas 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 kgyx 172102
cwfgyx
expires:202605181000;;730015

coastal waters forecast
national weather service gray me
502 pm edt sun may 17 2026

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


anz154-181000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt sun may 17 2026

.tonight...nw winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds. 
.mon...e winds around 5 kt, becoming se in the afternoon. seas 2 to
3 ft. wave detail: se 3 ft at 8 seconds. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 8 seconds. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: s 3 ft at 6 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 6 seconds. 
.wed...sw winds 10 to 15 kt with gusts up to 25 kt. seas 3 to 4 ft.
wave detail: s 4 ft at 7 seconds. a chance of showers in the
afternoon. 
.wed night...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. a chance of showers in the evening. 
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming s 5 to
10 kt in the afternoon. seas 2 to 3 ft. 
.thu night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. 
.fri...ne winds around 5 kt, becoming s with gusts up to 20 kt in
the afternoon. seas around 2 ft. 
.fri night...s winds 5 to 10 kt. seas around 2 ft.  

$$