fzus51 kbox 170504
cwfbox
expires:202609171800;;581621

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

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


anz230-171800-
boston harbor-
104 am edt thu sep 17 2026

.rest of tonight...sw winds around 5 kt. waves 1 foot or less. 
.thu...s winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.thu night...s winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. patchy fog. showers likely.
.fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...n winds 10 to 15 kt. waves around 2 ft. 
.sat and sat night...s winds 5 to 10 kt. waves 1 foot or less. 
.sun and sun night...s winds 5 to 10 kt with gusts up to 20 kt,
becoming n 10 to 15 kt. waves around 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.mon night...e winds 10 to 15 kt. waves 2 to 3 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 170504
cwfbox
expires:202609171800;;581610

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

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


anz250-171800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt thu sep 17 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 2 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and w 1 foot at 2 seconds. patchy fog in the
afternoon with vsby 1 nm or less. 
.thu night...sw 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 e 2 ft at
7 seconds. patchy fog. a chance of showers in the evening, then
showers likely after midnight. vsby 1 to 3 nm. 
.fri...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and sw 2 ft at
4 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: ne 4 ft
at 6 seconds and nw 3 ft at 5 seconds. 
.sat and sat night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: e 4 ft at 7 seconds and nw 3 ft at
5 seconds. 
.sun and sun night...s winds 5 to 10 kt, becoming e 10 to 15 kt
with gusts up to 20 kt. seas around 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 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.

$$