fzus51 kbox 210503
cwfbox
expires:202605211800;;381457

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 21 2026

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


anz235-211800-
rhode island sound-
103 am edt thu may 21 2026

.rest of tonight...n winds around 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds. a chance of showers with a slight
chance of tstms. 
.thu...ne winds 10 to 15 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: ne 3 ft at 7 seconds. a chance of
showers. 
.thu night...se winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds. 
.fri...e winds 10 to 15 kt. seas around 2 ft. wave detail: ne
2 ft at 7 seconds and se 1 foot at 14 seconds. 
.fri night and sat...e winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 5 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se 5 ft
at 6 seconds. a chance of showers in the evening, then showers
likely after midnight. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. showers.
.sun night...e winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. showers likely. 
.mon and mon night...nw winds 5 to 10 kt, becoming sw. seas 2 to
4 ft. a chance of 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.

$$

fzus51 kbox 210503
cwfbox
expires:202605211800;;381460

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 21 2026

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


anz236-211800-
narragansett bay-
103 am edt thu may 21 2026

.rest of tonight...n winds 5 to 10 kt. waves around 2 ft. a
chance of showers. 
.thu...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. 
.fri...ne winds around 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.fri night and sat...e winds 5 to 10 kt. waves around 2 ft. 
.sat night...e winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 3 ft. a chance of showers in the evening,
then showers likely after midnight. 
.sun and sun night...e winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. waves 2 to 4 ft. showers.
.mon and mon night...nw winds 5 to 10 kt, becoming sw. 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 210503
cwfbox
expires:202605211800;;381458

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 21 2026

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


anz237-211800-
block island sound-
103 am edt thu may 21 2026

.rest of tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds. a chance of showers. 
.thu...ne winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds. a chance of showers.
.thu night...se winds around 5 kt, becoming ne after midnight.
seas around 2 ft. wave detail: s 2 ft at 6 seconds. 
.fri...ne winds 10 to 15 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 6 seconds. 
.sat...e winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: e 3 ft at 5 seconds. a chance of
showers in the afternoon. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. showers.
.sun and sun night...e winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 6 ft. showers.
.mon...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers. 
.mon night...w winds 5 to 10 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 kbox 210503
cwfbox
expires:202605211800;;381452

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 21 2026

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


anz255-211800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt thu may 21 2026

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

.rest of tonight...n winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: sw 4 ft at 7 seconds. a chance of showers and tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 7 seconds. a chance of showers. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 6 seconds and se 1 foot at
14 seconds. 
.fri...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 and se 1 foot at
14 seconds. 
.fri night and sat...e winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 6 seconds and se 1 foot at 14 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se 5 ft
at 6 seconds. a chance of showers in the evening, then showers
likely after midnight. 
.sun and sun night...e winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. showers.
.mon and mon night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance
of 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.

$$

fzus51 kokx 201842
cwfokx
expires:202605210715;;360136

coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026

montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor


anz340-210715-
peconic and gardiners bays-
242 pm edt wed may 20 2026

...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...

.rest of today...sw winds around 10 kt. waves 1 ft or less.
chance of showers and slight chance of tstms. 
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
1 ft or less. showers and chance of tstms in the evening, then
chance of showers after midnight. 
.thu...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 ft or less. showers likely, mainly in the morning. 
.thu night...s winds around 5 kt, becoming ne after midnight.
waves 1 ft or less. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. waves
1 ft or less. 
.fri night...e winds around 5 kt. waves 1 ft or less. 
.sat...e winds 10 to 15 kt with gusts up to 20 kt. waves 1 ft or
less. chance of showers in the morning, then showers likely in
the afternoon. 
.sat night...e winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. showers likely. 
.sun night...e winds 5 to 10 kt. waves 1 to 2 ft. showers likely.
.mon...n winds around 5 kt. waves 1 to 2 ft. chance of showers. 
.mon night...w winds around 5 kt. waves 1 ft or less.  

winds and waves may be higher in and near tstms.

$$

fzus51 kokx 201842
cwfokx
expires:202605210715;;360129

coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026

montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor


anz350-210715-
moriches inlet ny to montauk point ny out 20 nm-
242 pm edt wed may 20 2026

...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...

.rest of today...sw winds around 15 kt with gusts up to 25 kt.
seas 4 to 5 ft, occasionally to 6 ft. wave detail: s 5 ft at
7 seconds. slight chance of showers and tstms. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt after midnight. seas 3 to 5 ft, occasionally to 6 ft.
wave detail: s 5 ft at 7 seconds and se 1 ft at 9 seconds.
showers and chance of tstms in the evening, then chance of
showers and slight chance of tstms after midnight. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
3 ft. wave detail: s 3 ft at 6 seconds and e 2 ft at 4 seconds.
showers likely, mainly in the morning. 
.thu night...se winds 5 to 10 kt, becoming e after midnight. seas
2 to 3 ft. wave detail: e 2 ft at 5 seconds and s 2 ft at
6 seconds. 
.fri...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft, occasionally to 5 ft. wave detail: se 3 ft at 6 seconds and
se 1 ft at 9 seconds. 
.fri night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and se 2 ft at 10 seconds. 
.sat...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft, occasionally to 6 ft. chance of showers in the morning,
then showers likely in the afternoon. 
.sat night...e winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft, occasionally to 9 ft. showers.
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
7 ft, occasionally to 9 ft. showers.
.sun night...e winds 5 to 10 kt. seas 6 to 8 ft, occasionally to
10 ft. showers likely. 
.mon...sw winds 5 to 10 kt. seas 5 to 7 ft, occasionally to 9 ft.
chance of showers. 
.mon night...w winds 5 to 10 kt. seas 4 to 5 ft, occasionally to
6 ft. chance of showers.  

winds and seas may be higher in and near tstms.

$$