fzus51 kbox 210604
cwfbox
expires:202511211900;;235446

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz231-211900-
cape cod bay-
104 am est fri nov 21 2025

.rest of tonight...s winds around 5 kt. seas 1 foot or less. wave
detail: ne 1 foot at 4 seconds and s 1 foot at 7 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: sw 1 foot at 2 seconds and ne
1 foot at 4 seconds. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.sat...nw winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft at
4 seconds and e 1 foot at 7 seconds. patchy fog in the morning. a
chance of rain in the morning. 
.sat night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: n 3 ft at 5 seconds and e 1 foot at
7 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 5 seconds and se 1 foot at 7 seconds. 
.mon and mon night...nw winds 10 to 15 kt, diminishing to 5 to
10 kt. seas 2 to 3 ft. 
.tue...sw winds 5 to 10 kt. seas 1 foot or less. a chance of
rain. 
.tue night...s winds around 10 kt. seas around 2 ft. rain 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 210604
cwfbox
expires:202511211900;;235450

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz232-211900-
nantucket sound-
104 am est fri nov 21 2025

.rest of tonight...nw winds around 5 kt. seas 1 foot or less.
wave detail: ne 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.fri...s winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: se 1 foot at 5 seconds and e
1 foot at 11 seconds, becoming sw 2 ft at 3 seconds and e 1 foot
at 5 seconds. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 1 foot at 5 seconds. patchy
fog after midnight. a chance of rain after midnight. 
.sat...nw winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft at
4 seconds and e 1 foot at 7 seconds. a chance of rain. patchy fog
in the morning. 
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and se
1 foot at 7 seconds. 
.sun and sun night...w winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 3 seconds and ne 2 ft at 6 seconds. 
.mon through tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. rain 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 210604
cwfbox
expires:202511211900;;235451

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz233-211900-
vineyard sound-
104 am est fri nov 21 2025

.rest of tonight...sw winds around 5 kt. seas 1 foot or less.
wave detail: e 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and e
1 foot at 4 seconds, becoming s 2 ft at 5 seconds and ne 1 foot
at 3 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 2 ft at 5 seconds and se 1 foot at 6 seconds. patchy
fog after midnight. a chance of rain after midnight. 
.sat...n winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 5 seconds and ne 1 foot at 5 seconds. patchy fog in the
morning. a chance of rain in the morning. 
.sat night...nw winds around 10 kt. seas 2 to 3 ft. wave detail:
s 2 ft at 7 seconds and n 1 foot at 4 seconds. 
.sun and sun night...w winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 4 seconds and sw 2 ft at 8 seconds. 
.mon and mon night...nw winds 10 to 15 kt, diminishing to 5 to
10 kt. seas around 2 ft. 
.tue...s winds 10 to 15 kt. seas around 2 ft. a chance of rain. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. rain 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 210604
cwfbox
expires:202511211900;;235452

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz234-211900-
buzzards bay-
104 am est fri nov 21 2025

.rest of tonight...s winds around 5 kt. seas 1 foot or less. wave
detail: ne 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft
in the afternoon. wave detail: ne 1 foot at 4 seconds and s
1 foot at 6 seconds, becoming sw 2 ft at 3 seconds and e 1 foot
at 5 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and se 1 foot at 6 seconds. patchy
fog after midnight. a chance of rain after midnight. 
.sat...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and w 1 foot at 5 seconds. patchy fog in the
morning. a chance of rain in the morning. 
.sat night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
n 1 foot at 3 seconds and s 1 foot at 6 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and sw 2 ft at 7 seconds. 
.mon and mon night...nw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. seas around 2 ft. 
.tue...s winds 10 to 15 kt. seas around 2 ft. a chance of rain. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. rain 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 210604
cwfbox
expires:202511211900;;235453

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz235-211900-
rhode island sound-
104 am est fri nov 21 2025

.rest of tonight...w winds around 5 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds and e 1 foot at 3 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 15 to 20 kt in the
afternoon. seas 1 foot or less, then 2 to 3 ft in the afternoon.
wave detail: sw 1 foot at 2 seconds and e 1 foot at 3 seconds,
becoming s 3 ft at 5 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: s 3 ft at 6 seconds. patchy fog after midnight. a chance
of rain after midnight. 
.sat...n winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at 5 seconds and
se 2 ft at 6 seconds. patchy fog in the morning. a chance of rain
in the morning. 
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and n
2 ft at 3 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and s 3 ft at
8 seconds. 
.mon and mon night...nw winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 3 ft. 
.tue...s winds 10 to 15 kt. seas around 2 ft. a chance of rain. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. rain 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 210604
cwfbox
expires:202511211900;;235456

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz236-211900-
narragansett bay-
104 am est fri nov 21 2025

.rest of tonight...nw winds around 5 kt. waves 1 foot or less. 
.fri...sw 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. 
.fri night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. patchy fog after midnight. 
.sat...n winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning. a chance of rain in the morning. 
.sat night...nw winds 5 to 10 kt. waves around 2 ft. 
.sun and sun night...w winds 5 to 10 kt. waves around 2 ft. 
.mon and mon night...nw winds 5 to 10 kt. waves 2 to 3 ft. 
.tue...s winds 5 to 10 kt. waves around 2 ft. a chance of rain. 
.tue night...s winds 10 to 15 kt. waves 2 to 4 ft. rain 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 210604
cwfbox
expires:202511211900;;235444

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz250-211900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am est fri nov 21 2025

.rest of tonight...s winds around 5 kt. seas around 2 ft. wave
detail: ne 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.fri...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.sat...nw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: nw 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.sat night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: ne 3 ft at 6 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: n 3 ft at 6 seconds and w 2 ft at
3 seconds. 
.mon and mon night...nw winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 4 ft. 
.tue...sw winds around 10 kt. seas around 2 ft. a chance of rain.
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. rain 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 210604
cwfbox
expires:202511211900;;235447

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz254-211900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am est fri nov 21 2025

.rest of tonight...n winds around 5 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds and ne 1 foot at 4 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and se 2 ft at 7 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e
2 ft at 7 seconds. patchy fog after midnight. 
.sat...nw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and e 3 ft at
7 seconds. patchy fog in the morning. a chance of rain in the
morning with vsby 1 to 3 nm. 
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: n 3 ft at 6 seconds and se
3 ft at 7 seconds. 
.sun and sun night...w winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: ne 3 ft at 7 seconds and s 3 ft at 8 seconds. 
.mon through tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. rain 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 210604
cwfbox
expires:202511211900;;235448

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est fri nov 21 2025

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


anz255-211900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am est fri nov 21 2025

.rest of tonight...ne winds around 5 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds and e 1 foot at 4 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 3 ft
at 5 seconds and e 1 foot at 4 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e
2 ft at 7 seconds. patchy fog after midnight. a chance of rain
after midnight. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 6 seconds. a chance of
rain. patchy fog in the morning with vsby 1 to 3 nm. 
.sat night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: s 4 ft at 8 seconds and n
3 ft at 5 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 5 seconds and s 3 ft at
8 seconds. 
.mon and mon night...nw winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 4 ft. 
.tue...s winds 10 to 15 kt. seas around 2 ft. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. rain 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.

$$