fzus51 kbox 191508
cwfbox
expires:202512200400;;862927

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 am est fri dec 19 2025

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


anz230-200400-
boston harbor-
1007 am est fri dec 19 2025

...storm warning in effect until 3 pm est this afternoon...

.this afternoon...s winds 25 to 30 kt with gusts up to 50 kt.
waves around 2 ft, except 5 to 7 ft at the outer harbor entrance.
rain. vsby 1 to 3 nm. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance. a
chance of rain in the evening. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. waves around
2 ft. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. 
.sun and sun night...nw winds 20 to 25 kt with gusts up to 30 kt.
waves around 2 ft. 
.mon...nw winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft. a chance of light freezing spray. 
.mon night...w winds 10 to 15 kt. waves around 2 ft. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. snow and rain likely. vsby 1 to 3 nm. 
.tue night...w winds 15 to 20 kt. waves around 2 ft. a chance of
rain.  

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 191508
cwfbox
expires:202512200400;;862916

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 am est fri dec 19 2025

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


anz250-200400-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1007 am est fri dec 19 2025

...storm warning in effect until 4 pm est this afternoon...

.this afternoon...s winds 30 to 40 kt with gusts up to 55 kt.
seas 7 to 10 ft, building to 10 to 14 ft. wave detail: se 9 ft at
6 seconds, becoming se 12 ft at 8 seconds and sw 1 foot at
4 seconds. rain. vsby 1 nm or less, increasing to 1 to 3 nm. 
.tonight...w winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. seas 8 to 11 ft. wave detail: se 10 ft at 10 seconds
and sw 7 ft at 7 seconds. a chance of rain in the evening. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt, diminishing to
15 to 20 kt with gusts up to 25 kt in the afternoon. seas 6 to
9 ft, subsiding to 4 to 6 ft in the afternoon. wave detail: w
7 ft at 7 seconds and se 6 ft at 11 seconds, becoming w 5 ft at
7 seconds and se 5 ft at 11 seconds. 
.sat night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail:
sw 6 ft at 5 seconds and se 3 ft at 11 seconds. 
.sun and sun night...nw winds 25 to 30 kt. seas 5 to 7 ft. wave
detail: nw 7 ft at 6 seconds and s 5 ft at 5 seconds. 
.mon...nw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: nw 7 ft at 6 seconds and se 2 ft at
10 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. rain likely with a chance of snow. vsby 1 to 3 nm. 
.tue night...w winds 20 to 25 kt. seas 3 to 5 ft. a chance of
rain.  

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.

$$