fzus51 kbox 181405
cwfbox
expires:202507190300;;656948

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri jul 18 2025

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


anz230-190300-
boston harbor-
1004 am edt fri jul 18 2025

.this afternoon...nw winds around 15 kt with gusts up to 20 kt,
becoming ne. waves around 2 ft. 
.tonight...s winds 5 to 10 kt, becoming nw after midnight. waves
1 foot or less. 
.sat...e winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. 
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of showers after midnight. 
.sun...sw 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...nw winds 10 to 15 kt. waves around 2 ft. a chance of
showers and tstms in the evening. 
.mon through tue night...s winds 10 to 15 kt. waves around 2 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 181405
cwfbox
expires:202507190300;;656937

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri jul 18 2025

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


anz250-190300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am edt fri jul 18 2025

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

.this afternoon...nw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: nw 3 ft at 4 seconds and s 2 ft at
6 seconds. 
.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 8 seconds and nw 1 foot at 4 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 4 seconds and nw 1 foot at 3 seconds. 
.sat night...s winds 15 to 20 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...sw 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 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 3 ft at
4 seconds and s 2 ft at 4 seconds. a chance of showers and tstms
in the evening. 
.mon through tue 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.

$$