fzus51 kbox 170505
cwfbox
expires:202606171800;;877345

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jun 17 2026

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


anz235-171800-
rhode island sound-
104 am edt wed jun 17 2026

.rest of tonight...sw 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. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw 2 ft
at 6 seconds and se 1 foot at 6 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and sw 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.thu...s winds 20 to 25 kt with gusts up to 30 kt. seas 2 to
4 ft, building to 5 to 7 ft in the afternoon. wave detail: sw
4 ft at 6 seconds and se 4 ft at 11 seconds, becoming sw 7 ft at
7 seconds and se 2 ft at 7 seconds. patchy fog in the morning. a
chance of showers in the afternoon. vsby 1 nm or less in the
morning.
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 15 to 20 kt after midnight. seas 5 to 7 ft. wave
detail: s 7 ft at 7 seconds. patchy fog in the evening with vsby
1 to 3 nm. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 9 seconds and se 3 ft at
8 seconds. 
.sat and sat night...w winds 20 to 25 kt, diminishing to 15 to
20 kt. seas 3 to 5 ft. 
.sun and sun night...w winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 2 to 4 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.

$$

fzus51 kbox 170505
cwfbox
expires:202606171800;;877348

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jun 17 2026

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


anz236-171800-
narragansett bay-
104 am edt wed jun 17 2026

.rest of tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.wed...s winds 5 to 10 kt. waves around 2 ft. 
.wed night...s winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt with gusts
up to 30 kt in the afternoon. waves 2 to 3 ft, building to 3 to
5 ft in the afternoon. patchy fog. a chance of showers. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt after midnight. waves 3 to 5 ft. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. 
.sat through sun night...w winds 15 to 20 kt with gusts up to
25 kt. waves 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.

$$

fzus51 kbox 170505
cwfbox
expires:202606171800;;877346

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jun 17 2026

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


anz237-171800-
block island sound-
104 am edt wed jun 17 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and w 1 foot at 4 seconds. 
.wed...s winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: se 2 ft at 7 seconds
and sw 1 foot at 4 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. patchy fog after midnight. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: s 4 ft at 7 seconds, becoming
sw 6 ft at 6 seconds and e 1 foot at 7 seconds. patchy fog. a
chance of showers in the afternoon. vsby 1 to 3 nm. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 5 to 7 ft. wave detail: sw 6 ft at 6 seconds and e 2 ft at
7 seconds. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 8 seconds and w 2 ft at
3 seconds. 
.sat through sun night...w winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 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.

$$

fzus51 kbox 170505
cwfbox
expires:202606171800;;877340

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jun 17 2026

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


anz255-171800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt wed jun 17 2026

.rest of tonight...sw 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. 
.wed...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. 
.wed night...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and sw 1 foot at 4 seconds. patchy fog. vsby
1 nm or less. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 4 ft, building to 5 to
7 ft in the afternoon. wave detail: sw 4 ft at 6 seconds and e
1 foot at 8 seconds, becoming se 7 ft at 7 seconds and nw 1 foot
at 7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.thu night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s
8 ft at 7 seconds and w 3 ft at 9 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 5 to 7 ft. wave detail: w 7 ft at 7 seconds and sw 7 ft at
9 seconds. 
.sat and sat night...w winds 20 to 25 kt, diminishing to 15 to
20 kt. seas 4 to 6 ft. 
.sun and sun night...w winds 15 to 20 kt, becoming sw 10 to
15 kt. seas 2 to 4 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.

$$