fzus51 kbox 160203
cwfbox
expires:202605161500;;628636

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz231-161500-
cape cod bay-
1003 pm edt fri may 15 2026

...small craft advisory in effect from saturday afternoon through
saturday evening...

.overnight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw
1 foot at 2 seconds and ne 1 foot at 6 seconds. patchy fog. vsby
1 to 3 nm. 
.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. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 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 in the evening, then 1 foot or
less. wave detail: w 1 foot at 3 seconds and e 1 foot at
9 seconds, becoming nw 1 foot at 3 seconds and e 1 foot at
8 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 160203
cwfbox
expires:202605161500;;628640

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz232-161500-
nantucket sound-
1003 pm edt fri may 15 2026

...small craft advisory in effect from saturday afternoon through
saturday evening...

.overnight...n winds 5 to 10 kt, becoming nw. seas 2 to 4 ft.
wave detail: e 3 ft at 8 seconds and sw 1 foot at 6 seconds.
patchy fog. vsby 1 nm or less. 
.sat...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 3 ft at 7 seconds.
patchy fog in the morning. 
.sat night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
8 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 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 160203
cwfbox
expires:202605161500;;628641

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz233-161500-
vineyard sound-
1003 pm edt fri may 15 2026

...small craft advisory in effect from saturday afternoon through
saturday evening...

.overnight...n winds 5 to 10 kt, becoming nw. seas 2 to 3 ft.
wave detail: e 2 ft at 7 seconds and sw 1 foot at 6 seconds.
patchy fog. 
.sat...sw winds 5 to 10 kt, increasing to around 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 2 ft at 9 seconds. patchy fog in the
morning. 
.sat night...sw winds 15 to 20 kt with gusts up to 30 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
4 ft. wave detail: sw 4 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 4 ft. wave detail: sw 4 ft
at 8 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 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 160203
cwfbox
expires:202605161500;;628642

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz234-161500-
buzzards bay-
1003 pm edt fri may 15 2026

...small craft advisory in effect from saturday afternoon through
saturday evening...

.overnight...n winds around 5 kt, becoming w. seas around 2 ft.
wave detail: e 1 foot at 4 seconds and sw 1 foot at 6 seconds.
patchy fog. vsby 1 to 3 nm. 
.sat...sw winds 5 to 10 kt, increasing to around 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and s 1 foot at 9 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
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 160203
cwfbox
expires:202605161500;;628643

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz235-161500-
rhode island sound-
1003 pm edt fri may 15 2026

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

.overnight...n winds 5 to 10 kt, becoming nw. seas 3 to 4 ft.
wave detail: se 4 ft at 10 seconds and s 1 foot at 7 seconds. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 3 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 30 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 3 ft at
9 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: sw 5 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 5 ft. wave detail: sw 5 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 160203
cwfbox
expires:202605161500;;628646

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz236-161500-
narragansett bay-
1003 pm edt fri may 15 2026

.overnight...n winds around 5 kt, becoming w. waves 2 to 3 ft. 
.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 3 ft. 
.sat night...sw winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.sun...sw winds 5 to 10 kt, becoming w 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 160203
cwfbox
expires:202605161500;;628634

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz250-161500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt fri may 15 2026

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

.overnight...w winds 5 to 10 kt. seas 4 to 6 ft. wave detail: e
6 ft at 10 seconds and nw 1 foot at 3 seconds. 
.sat...sw winds around 10 kt, becoming s 15 to 20 kt in the
afternoon. seas 4 to 5 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 5 ft. wave detail: s 4 ft at 5 seconds and e 4 ft at
9 seconds. scattered showers after midnight. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 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 3 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 160203
cwfbox
expires:202605161500;;628637

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz254-161500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt fri may 15 2026

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

.overnight...nw winds 5 to 10 kt. seas 5 to 7 ft. wave detail: e
7 ft at 10 seconds and w 1 foot at 6 seconds. patchy fog. vsby
1 nm or less. 
.sat...sw winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: e 5 ft at 10 seconds and sw 3 ft at 4 seconds.
.sat night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 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 4 to 6 ft. wave detail: sw
5 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 2 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 2 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 160203
cwfbox
expires:202605161500;;628638

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt fri may 15 2026

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


anz255-161500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt fri may 15 2026

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

.overnight...n winds 5 to 10 kt, becoming nw. seas 4 to 6 ft.
wave detail: se 6 ft at 10 seconds and s 3 ft at 5 seconds.
patchy fog. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and sw 3 ft at 8 seconds. patchy fog in the
morning. 
.sat night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: sw 6 ft at 6 seconds and se 4 ft at
9 seconds. 
.sun...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 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 2 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.

$$