fzus51 kbox 190805
cwfbox
expires:202607192100;;222357

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz231-192100-
cape cod bay-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...nw winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 4 seconds and w 2 ft at 4 seconds. 
.tonight...nw winds 5 to 10 kt. seas 1 foot or less. wave detail:
nw 1 foot at 4 seconds and ne 1 foot at 6 seconds. 
.mon...nw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 5 seconds and s 1 foot
at 7 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 4 seconds and ne 1 foot at 5 seconds. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds and s 2 ft at 4 seconds. 
.tue night...se winds 10 to 15 kt, becoming s 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 4 seconds and e 1 foot at 11 seconds. showers with a chance of
tstms. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. showers likely. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
2 to 4 ft. a chance of showers. 
.thu...nw winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.thu night...w winds around 5 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 190805
cwfbox
expires:202607192100;;222361

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz232-192100-
nantucket sound-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...nw winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and sw 2 ft at 7 seconds. 
.tonight...sw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and sw 1 foot at
7 seconds. 
.mon...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 4 seconds and e 1 foot at
8 seconds. 
.mon night...s winds around 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and s 1 foot at 8 seconds. 
.tue...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 7 seconds and sw 1 foot at
3 seconds. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at
11 seconds. showers. a chance of tstms in the evening. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. showers likely. 
.wed night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. a chance of showers. 
.thu...w winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.thu night...w winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers.  

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 190805
cwfbox
expires:202607192100;;222362

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz233-192100-
vineyard sound-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...w winds 10 to 15 kt. gusts up to 20 kt this morning.
seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and se 1 foot at
7 seconds. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: sw 3 ft at 7 seconds and w 1 foot at
4 seconds. 
.mon...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 8 seconds and nw 1 foot at
4 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 3 seconds and sw 2 ft at 8 seconds. 
.tue...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 sw 2 ft at 8 seconds.
.tue night...se winds 15 to 20 kt, becoming s 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 5 seconds. showers with a chance of tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. showers.
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. a chance of showers. 
.thu...w winds 10 to 15 kt. seas 3 to 5 ft. a chance of showers. 
.thu night...w winds 5 to 10 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 190805
cwfbox
expires:202607192100;;222363

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz234-192100-
buzzards bay-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...nw winds 10 to 15 kt. gusts up to 20 kt this morning.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and w 2 ft at
4 seconds. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: sw 2 ft at 7 seconds and w 1 foot at
4 seconds. 
.mon...nw winds around 5 kt, becoming sw 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and e 1 foot at 6 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.tue...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 s 2 ft at 6 seconds. 
.tue night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 5 seconds. showers with a chance of tstms. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. showers.
.wed night...sw winds 20 to 25 kt with gusts up to 35 kt. seas
3 to 5 ft. a chance of showers. 
.thu...w winds around 10 kt. seas 2 to 3 ft. a chance of showers.
.thu night...w winds 5 to 10 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 190805
cwfbox
expires:202607192100;;222364

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz235-192100-
rhode island sound-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...w winds 10 to 15 kt. gusts up to 20 kt this morning.
seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and se 1 foot at
13 seconds. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: sw 3 ft at 6 seconds and se 2 ft at
8 seconds. 
.mon...n winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 7 seconds and e 2 ft at
8 seconds. 
.mon night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and sw 1 foot at 4 seconds. 
.tue...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and e 1 foot at
12 seconds. a chance of showers in the afternoon. 
.tue night...se winds 15 to 20 kt, becoming s 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft, building to 5 to
7 ft after midnight. wave detail: s 4 ft at 5 seconds, becoming s
7 ft at 6 seconds. showers with a chance of tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. showers likely. 
.wed night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. a chance of showers. 
.thu...w winds 10 to 15 kt. seas 4 to 6 ft. a chance of showers. 
.thu night...w winds 5 to 10 kt. seas 3 to 5 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 190805
cwfbox
expires:202607192100;;222367

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz236-192100-
narragansett bay-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...nw winds 10 to 15 kt. waves 2 to 3 ft. 
.tonight...nw winds 5 to 10 kt. waves around 2 ft. 
.mon...nw winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.mon night...s winds 5 to 10 kt. waves around 2 ft. 
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers in the afternoon. 
.tue night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 4 ft. showers with a
chance of tstms. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
5 ft. showers.
.wed night...w winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. a chance of showers and tstms. 
.thu...w winds 5 to 10 kt. waves 2 to 3 ft. a chance of showers. 
.thu night...w winds 5 to 10 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 190805
cwfbox
expires:202607192100;;222355

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz250-192100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt sun jul 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...nw winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and se 3 ft at 6 seconds. 
.tonight...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: w 2 ft at 4 seconds and se 1 foot
at 7 seconds. 
.mon...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and ne 1 foot at
5 seconds. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
3 seconds. 
.tue...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 night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: se 4 ft at 7 seconds and sw 2 ft at
4 seconds. showers with a chance of tstms. 
.wed...s winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. showers.
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of showers. 
.thu...w winds 5 to 10 kt with gusts up to 20 kt. seas 3 to 5 ft.
a chance of showers. 
.thu night...w winds around 5 kt. seas 2 to 4 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 190805
cwfbox
expires:202607192100;;222358

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz254-192100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt sun jul 19 2026

...small craft advisory in effect through this evening...

.today...w winds 15 to 20 kt, becoming nw 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 4 to 6 ft, subsiding to 2 to
4 ft this afternoon. wave detail: s 5 ft at 7 seconds and w 3 ft
at 5 seconds, becoming nw 3 ft at 4 seconds and se 3 ft at
7 seconds. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
2 to 4 ft. wave detail: s 3 ft at 8 seconds and nw 2 ft at
4 seconds. 
.mon...nw winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 8 seconds and n 1 foot at
5 seconds. 
.mon night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and nw 1 foot at 4 seconds. 
.tue...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 7 seconds and se 2 ft at 8 seconds. 
.tue night...se winds 15 to 20 kt, becoming s 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft, building to 4 to
6 ft after midnight. wave detail: s 4 ft at 6 seconds and e
1 foot at 11 seconds, becoming s 6 ft at 6 seconds. showers. a
chance of tstms in the evening. 
.wed...s winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. showers.
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. a chance of showers. 
.thu...w winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. a chance of showers. 
.thu night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers.  

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 190805
cwfbox
expires:202607192100;;222359

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sun jul 19 2026

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


anz255-192100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt sun jul 19 2026

...small craft advisory in effect through this evening...

.today...w winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 10 to 15 kt this afternoon. seas 4 to 6 ft. wave detail: w
6 ft at 6 seconds and e 1 foot at 10 seconds. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. seas
3 to 4 ft. wave detail: sw 4 ft at 7 seconds and n 3 ft at
7 seconds. 
.mon...n winds around 5 kt, becoming sw in the afternoon. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and n 1 foot at
6 seconds. 
.mon night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and w 1 foot at 3 seconds. 
.tue...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and nw 1 foot
at 3 seconds. 
.tue night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: s 5 ft at 6 seconds and e
1 foot at 11 seconds, becoming sw 7 ft at 7 seconds and e 2 ft at
6 seconds. showers with a chance of tstms. 
.wed and wed night...sw winds 25 to 30 kt, diminishing to 20 to
25 kt. seas 7 to 10 ft. showers.
.thu...w winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. a chance of showers. 
.thu night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers.  

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.

$$