fzus51 kbox 280504
cwfbox
expires:202605281800;;768881

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 28 2026

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


anz235-281800-
rhode island sound-
103 am edt thu may 28 2026

.rest of tonight...n winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 6 seconds and se 3 ft at 8 seconds. 
.thu...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 3 ft
at 6 seconds and ne 2 ft at 7 seconds. a chance of showers in the
afternoon. 
.thu night...n winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 7 seconds and se 2 ft
at 8 seconds. a chance of showers in the evening. 
.fri...nw winds around 10 kt, becoming sw with gusts up to 20 kt
in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at
7 seconds and e 2 ft at 9 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft, building to 3 to
5 ft after midnight. wave detail: sw 3 ft at 5 seconds and se
1 foot at 9 seconds, becoming sw 5 ft at 6 seconds and se 1 foot
at 9 seconds. showers likely. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 7 seconds and e 1 foot at
9 seconds. a chance of showers. 
.sat night...n winds 25 to 30 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 4 ft. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.mon...sw winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.mon night...ne 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 280504
cwfbox
expires:202605281800;;768884

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 28 2026

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


anz236-281800-
narragansett bay-
103 am edt thu may 28 2026

.rest of tonight...n winds 5 to 10 kt. waves around 2 ft. 
.thu...n winds 5 to 10 kt. waves around 2 ft. a chance of showers
in the afternoon. 
.thu night...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds 5 to 10 kt, becoming w 10 to 15 kt with
gusts up to 20 kt after midnight. waves 2 to 3 ft. showers
likely. 
.sat...n winds 20 to 25 kt with gusts up to 35 kt. waves 2 to
3 ft. a chance of showers. 
.sat night...n winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 3 ft. 
.sun and sun night...w winds 10 to 15 kt. waves around 2 ft. 
.mon and mon night...sw winds around 10 kt, becoming ne. waves
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 280504
cwfbox
expires:202605281800;;768882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 28 2026

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


anz237-281800-
block island sound-
103 am edt thu may 28 2026

.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 3 ft at 6 seconds and se 2 ft at 8 seconds. 
.thu...nw winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 6 seconds and e 2 ft at 8 seconds. a chance of showers in the
afternoon. 
.thu night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds. 
.fri...nw winds 5 to 10 kt, becoming w 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: nw 2 ft
at 7 seconds and se 1 foot at 8 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw 4 ft
at 6 seconds and se 1 foot at 8 seconds. a chance of showers. 
.sat...n winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: w 4 ft at 6 seconds and se 1 foot at
8 seconds. 
.sat night...n winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. 
.sun and sun night...w winds 10 to 15 kt. seas around 2 ft. 
.mon and mon night...sw winds around 10 kt, becoming n. 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 kbox 280504
cwfbox
expires:202605281800;;768876

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu may 28 2026

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


anz255-281800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt thu may 28 2026

.rest of tonight...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 6 seconds and e 1 foot at
8 seconds. patchy fog. vsby 1 nm or less. 
.thu...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
ne 1 foot at 5 seconds. patchy fog in the morning. a chance of
showers in the afternoon. vsby 1 to 3 nm. 
.thu night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and ne 1 foot at 5 seconds. patchy fog in the
evening. a chance of showers in the evening with vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 8 seconds and e 2 ft at
8 seconds. 
.fri night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft, building to
4 to 6 ft after midnight. wave detail: sw 3 ft at 5 seconds and e
2 ft at 8 seconds, becoming sw 6 ft at 6 seconds and e 2 ft at
8 seconds. a chance of showers in the evening, then showers after
midnight. patchy fog after midnight. 
.sat...nw winds 25 to 30 kt, becoming n in the afternoon. gusts
up to 40 kt. seas 5 to 6 ft. wave detail: sw 6 ft at 7 seconds
and e 2 ft at 9 seconds. showers, mainly in the morning. patchy
fog in the morning. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 5 to 7 ft. 
.sun...w winds 10 to 15 kt. seas 4 to 6 ft. 
.sun night...sw winds 10 to 15 kt. seas 3 to 5 ft.
.mon...sw winds 10 to 15 kt. seas 2 to 4 ft. a chance of showers.
.mon night...nw winds 5 to 10 kt. seas 3 to 5 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.

$$