fzus51 kbox 152003
cwfbox
expires:202605160900;;615743

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz231-160900-
cape cod bay-
403 pm edt fri may 15 2026

.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
3 to 5 ft. wave detail: nw 1 foot at 2 seconds and ne 1 foot at
6 seconds. patchy fog. vsby 1 to 3 nm, decreasing to 1 nm or less
after midnight. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and ne 1 foot at 7 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.sat night...sw winds around 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
8 seconds. scattered showers after midnight. 
.sun...sw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. gusts up to 20 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 9 seconds. 
.sun night...w winds 5 to 10 kt with gusts up to 20 kt, becoming
n after midnight. seas around 2 ft. wave detail: w 1 foot at
3 seconds and e 1 foot at 9 seconds. 
.mon and mon night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: nw 1 foot at 3 seconds and e 1 foot
at 8 seconds. 
.tue through wed...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. scattered 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 152003
cwfbox
expires:202605160900;;615747

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz232-160900-
nantucket sound-
403 pm edt fri may 15 2026

.tonight...n winds 5 to 10 kt, becoming nw after midnight. seas
3 to 5 ft. wave detail: e 3 ft at 8 seconds and sw 1 foot at
6 seconds. patchy fog after midnight with vsby 1 nm or less. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 3 ft at
7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
8 seconds. 
.sun...sw winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
e 1 foot at 9 seconds. scattered showers in the morning. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and e 1 foot at 9 seconds. 
.mon and mon night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and ne 1 foot at 6 seconds. 
.tue through wed...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. scattered 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 152003
cwfbox
expires:202605160900;;615748

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz233-160900-
vineyard sound-
403 pm edt fri may 15 2026

.tonight...n winds 5 to 10 kt, becoming nw after midnight. seas
3 to 5 ft. wave detail: se 3 ft at 9 seconds and sw 1 foot at
6 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 2 ft at
9 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 7 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 7 seconds and e 1 foot at
9 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw 3 ft
at 8 seconds and e 1 foot at 9 seconds. 
.mon and mon night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds and se 2 ft at 16 seconds. 
.tue through wed...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. scattered 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 152003
cwfbox
expires:202605160900;;615749

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz234-160900-
buzzards bay-
403 pm edt fri may 15 2026

.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 4 ft. wave detail: s 2 ft at 7 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.sat...sw winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. wave
detail: sw 2 ft at 6 seconds and s 1 foot at 9 seconds, becoming
sw 3 ft at 4 seconds and se 1 foot at 8 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
8 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
9 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n around 5 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 6 seconds and se 1 foot at 8 seconds. 
.mon and mon night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 7 seconds. 
.tue through wed...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. scattered 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 152003
cwfbox
expires:202605160900;;615750

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz235-160900-
rhode island sound-
403 pm edt fri may 15 2026

...small craft advisory in effect through late saturday night...

.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
4 to 6 ft. wave detail: se 5 ft at 10 seconds and s 1 foot at
9 seconds. patchy fog after midnight. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: se 4 ft at 10 seconds and sw 3 ft at
6 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: sw 3 ft at 5 seconds and se 3 ft at
9 seconds. 
.sun...sw winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
se 2 ft at 9 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 3 to 4 ft. wave detail: sw 4 ft
at 8 seconds and se 2 ft at 9 seconds. 
.mon and mon night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 8 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 4 ft. scattered 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 152003
cwfbox
expires:202605160900;;615753

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz236-160900-
narragansett bay-
403 pm edt fri may 15 2026

.tonight...n winds 5 to 10 kt, becoming w after midnight. waves
2 to 3 ft. a slight chance of showers this evening. patchy fog
after midnight. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 4 ft. 
.sat night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.sun...w winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.sun night...w winds 5 to 10 kt with gusts up to 20 kt, becoming
n after midnight. waves 2 to 3 ft. 
.mon and mon night...sw winds 5 to 10 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tue through wed...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. scattered 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 152003
cwfbox
expires:202605160900;;615741

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz250-160900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt fri may 15 2026

...small craft advisory in effect through late saturday night...

.tonight...nw winds 5 to 10 kt, becoming w after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 10 seconds and nw 1 foot at
3 seconds. patchy fog. vsby 1 to 3 nm. 
.sat...sw winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 4 to 6 ft. wave detail: e 5 ft at 10 seconds and s 3 ft at
4 seconds. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 5 seconds and e 4 ft at
9 seconds. scattered showers after midnight. 
.sun...w winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 3 ft at
9 seconds. 
.sun night...nw winds around 10 kt, becoming n after midnight.
seas 2 to 4 ft. wave detail: w 2 ft at 3 seconds and se 2 ft at
8 seconds. 
.mon and mon night...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at
8 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. scattered 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 152003
cwfbox
expires:202605160900;;615744

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz254-160900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt fri may 15 2026

...small craft advisory in effect through late saturday night...

.tonight...n winds 5 to 10 kt, becoming w after midnight. seas
5 to 7 ft. wave detail: e 7 ft at 10 seconds and sw 1 foot at
6 seconds. patchy fog. vsby 1 to 3 nm, decreasing to 1 nm or less
after midnight. 
.sat...sw winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 4 to 6 ft. wave detail: e 5 ft at 10 seconds and sw 3 ft at
4 seconds. patchy fog. vsby 1 to 3 nm. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 6 seconds and e 4 ft at
9 seconds. 
.sun...sw winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 6 seconds and se 3 ft at 9 seconds. scattered showers in
the morning. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 3 to 4 ft. wave detail: w 4 ft
at 5 seconds and se 3 ft at 8 seconds. 
.mon and mon night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: w 3 ft at 5 seconds and se 2 ft at
8 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 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.

$$

fzus51 kbox 152003
cwfbox
expires:202605160900;;615745

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri may 15 2026

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


anz255-160900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt fri may 15 2026

...small craft advisory in effect through late saturday night...

.tonight...n winds 5 to 10 kt, becoming nw after midnight. seas
6 to 7 ft, subsiding to 4 to 6 ft after midnight. wave detail: se
6 ft at 10 seconds and s 3 ft at 8 seconds, becoming se 6 ft at
10 seconds and sw 3 ft at 9 seconds. patchy fog after midnight
with vsby 1 to 3 nm. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: se 5 ft at 10 seconds and sw 3 ft at
8 seconds. patchy fog in the afternoon with vsby 1 to 3 nm. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 6 seconds and se 4 ft at
9 seconds. patchy fog in the evening with vsby 1 nm or less. 
.sun...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 7 seconds and e 3 ft at 9 seconds. 
.sun night...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. wave detail: sw 5 ft
at 8 seconds and se 2 ft at 8 seconds. 
.mon and mon night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 7 seconds and se 2 ft at 11 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 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.

$$