fzus51 kbox 191405
cwfbox
expires:202605200300;;826230

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue may 19 2026

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


anz230-200300-
boston harbor-
1005 am edt tue may 19 2026

.this afternoon...sw winds 10 to 15 kt. gusts up to 20 kt. waves
1 foot or less, then around 2 ft. a slight chance of showers. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of showers in the evening. 
.wed...w winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers likely in the afternoon. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. showers likely in the evening. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. waves around 2 ft in the morning, then 1 foot or less.
.thu night...s winds around 5 kt, becoming n after midnight.
waves 1 foot or less. 
.fri and fri night...e winds 5 to 10 kt, becoming s. waves 1 foot
or less. 
.sat and sat night...e winds 5 to 10 kt. waves around 2 ft, then
1 foot or less. showers likely.  

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 191405
cwfbox
expires:202605200300;;826221

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue may 19 2026

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


anz231-200300-
cape cod bay-
1005 am edt tue may 19 2026

.this afternoon...sw winds 10 to 15 kt, increasing to 15 to
20 kt. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft. wave detail: sw 1 foot at 3 seconds and e 1 foot at
4 seconds, becoming sw 2 ft at 3 seconds and e 1 foot at
4 seconds. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
9 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
10 seconds. showers likely in the afternoon. 
.wed night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
3 seconds and n 2 ft at 3 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: n
2 ft at 4 seconds and s 1 foot at 6 seconds. 
.thu night...s winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: n 2 ft at 5 seconds and s 1 foot
at 6 seconds. 
.fri and fri night...e winds 5 to 10 kt, becoming s. seas 1 foot
or less. 
.sat and sat night...e winds 5 to 10 kt. seas around 2 ft.
showers likely.  

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 191405
cwfbox
expires:202605200300;;826219

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue may 19 2026

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


anz250-200300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt tue may 19 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming s 15 to 20 kt with gusts up to 30 kt. seas 2 to 4 ft.
wave detail: sw 4 ft at 4 seconds and se 2 ft at 9 seconds. 
.tonight...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 9 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at 9 seconds.
a chance of showers in the afternoon. 
.wed night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
4 seconds and se 2 ft at 9 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 5 seconds and se 2 ft at 9 seconds. 
.thu night...s winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: w 2 ft at 4 seconds and n 2 ft at
5 seconds. 
.fri and fri night...ne winds 5 to 10 kt, becoming s. seas around
2 ft. 
.sat and sat night...e winds 5 to 10 kt. seas around 2 ft.
showers likely.  

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 191437
cwfgyx
expires:202605200445;;827283

coastal waters forecast
national weather service gray me
1037 am edt tue may 19 2026

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


anz154-200445-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
1037 am edt tue may 19 2026

.rest of today...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
s 3 ft at 5 seconds. patchy fog. a chance of showers with a slight
chance of tstms late. vsby 1 to 3 nm. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 4 ft at 7 seconds. a chance of showers in the
evening. patchy fog in the evening with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 4 ft.
wave detail: s 4 ft at 8 seconds. a chance of showers in the
afternoon. 
.wed night...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 3 seconds and se 2 ft at 9 seconds. 
.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. wave detail: nw 2 ft at
3 seconds and se 2 ft at 9 seconds. 
.thu night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. 
.fri...nw winds around 5 kt, becoming s 10 to 15 kt with gusts up to
20 kt in the afternoon. seas around 2 ft. 
.fri night...s winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt after midnight. seas around 2 ft. 
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas around
2 ft in the morning, then 1 foot or less. a chance of showers. 
.sat night...e winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. a chance of showers.  

winds and seas higher in and near tstms.

$$