fzus51 kbox 182306
cwfbox
expires:202507191200;;679875

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz231-191200-
cape cod bay-
705 pm edt fri jul 18 2025

.tonight...sw winds around 5 kt. seas around 2 ft this evening,
then 1 foot or less. wave detail: n 1 foot at 4 seconds and s
1 foot at 7 seconds, becoming n 1 foot at 4 seconds and s 1 foot
at 6 seconds. 
.sat...s winds around 5 kt, increasing to 10 to 15 kt in the
afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: n 1 foot at 5 seconds and s 1 foot at
6 seconds, becoming s 1 foot at 3 seconds and n 1 foot at
4 seconds. 
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 1 foot at 3 seconds and n 1 foot at
4 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
9 seconds. a chance of showers. a chance of tstms in the
afternoon. 
.sun night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: nw 2 ft at
3 seconds and sw 1 foot at 3 seconds. a chance of showers and
tstms in the evening. 
.mon and mon night...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at
5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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 182306
cwfbox
expires:202507191200;;679879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz232-191200-
nantucket sound-
705 pm edt fri jul 18 2025

.tonight...se winds around 5 kt, becoming sw after midnight. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
7 seconds. 
.sat...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
nw 1 foot at 4 seconds. 
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and n 1 foot at
4 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 3 seconds and se 1 foot at
9 seconds. a chance of showers and tstms. 
.sun night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas around 2 ft. wave detail: nw 2 ft at
3 seconds and sw 2 ft at 5 seconds. a chance of showers and tstms
in the evening. 
.mon and mon night...n winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 4 seconds and s 1 foot
at 5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft.  

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 182306
cwfbox
expires:202507191200;;679880

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz233-191200-
vineyard sound-
705 pm edt fri jul 18 2025

.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 7 seconds and n 1 foot at 4 seconds. 
.sat...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 6 seconds
and n 1 foot at 4 seconds. 
.sat night...s winds around 10 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and
se 1 foot at 9 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 5 seconds and se 1 foot at
8 seconds. a chance of showers and tstms. 
.sun night...w winds 10 to 15 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 9 seconds. a chance of showers and tstms in the evening. 
.mon and mon night...n winds 10 to 15 kt. seas around 2 ft. wave
detail: n 1 foot at 4 seconds and sw 1 foot at 5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft.  

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 182306
cwfbox
expires:202507191200;;679881

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz234-191200-
buzzards bay-
705 pm edt fri jul 18 2025

.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 7 seconds and n 1 foot at 4 seconds. 
.sat...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 5 seconds
and n 1 foot at 4 seconds. 
.sat night...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: sw 2 ft at 4 seconds and
se 1 foot at 9 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 4 seconds and se 1 foot at
9 seconds. a chance of showers and tstms. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and se 1 foot at 9 seconds. a chance of showers and
tstms in the evening. 
.mon and mon night...n winds 10 to 15 kt. seas around 2 ft. wave
detail: n 1 foot at 4 seconds and sw 1 foot at 5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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 182306
cwfbox
expires:202507191200;;679882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz235-191200-
rhode island sound-
705 pm edt fri jul 18 2025

.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and w 1 foot at 4 seconds. 
.sat...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 7 seconds and
se 1 foot at 10 seconds. 
.sat night...s winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: s 3 ft at 7 seconds. a
chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
8 seconds. a chance of showers and tstms. 
.sun night...w winds 10 to 15 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: s 3 ft at
5 seconds and nw 2 ft at 3 seconds. a chance of showers and tstms
in the evening. 
.mon and mon night...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and s 2 ft at
5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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 182306
cwfbox
expires:202507191200;;679885

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz236-191200-
narragansett bay-
705 pm edt fri jul 18 2025

.tonight...w winds around 5 kt, becoming n after midnight. waves
around 2 ft. 
.sat...se winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. waves around 2 ft. 
.sat night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers after midnight. 
.sun...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers. a chance of tstms in the
afternoon. 
.sun night...w winds around 10 kt, becoming nw after midnight.
waves around 2 ft. a chance of showers and tstms in the evening. 
.mon and mon night...n winds 5 to 10 kt. waves around 2 ft. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 ft.  

winds and waves 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 182306
cwfbox
expires:202507191200;;679873

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz250-191200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
705 pm edt fri jul 18 2025

.tonight...w winds around 5 kt. seas 2 to 3 ft. wave detail: se
2 ft at 9 seconds and n 1 foot at 5 seconds. 
.sat...s winds around 5 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and n 1 foot at 4 seconds. 
.sat night...s winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at
9 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at 9 seconds.
a chance of tstms. a chance of showers in the morning, then
showers likely in the afternoon. 
.sun night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at
5 seconds and nw 2 ft at 4 seconds. a chance of showers and tstms
in the evening. 
.mon and mon night...n 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 s 1 foot at
5 seconds. 
.tue through wed night...s winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft.  

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 182306
cwfbox
expires:202507191200;;679876

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz254-191200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
705 pm edt fri jul 18 2025

.tonight...w winds around 5 kt. seas 2 to 4 ft. wave detail: s
3 ft at 7 seconds and n 2 ft at 4 seconds. 
.sat...sw winds around 5 kt, becoming s 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 2 ft at 7 seconds and n
1 foot at 5 seconds. 
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 4 seconds and nw 1 foot at
4 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot at
9 seconds. a chance of showers. a chance of tstms in the
afternoon. 
.sun night...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at
5 seconds and nw 2 ft at 4 seconds. a chance of showers and tstms
in the evening. 
.mon and mon night...n 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 s 2 ft at
5 seconds. 
.tue through wed night...s winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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 182306
cwfbox
expires:202507191200;;679877

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt fri jul 18 2025

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


anz255-191200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
705 pm edt fri jul 18 2025

.tonight...s winds around 5 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 7 seconds and n 1 foot at 3 seconds. 
.sat...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and n
1 foot at 4 seconds. 
.sat night...s winds around 10 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: s 2 ft at 6 seconds and se 1 foot at
9 seconds. a chance of showers after midnight. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
8 seconds. a chance of showers. 
.sun night...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas around 3 ft. wave detail: sw 3 ft at
5 seconds and nw 2 ft at 3 seconds. a chance of showers in the
evening. 
.mon and mon night...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and s 2 ft at
5 seconds. 
.tue through wed night...s winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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.

$$