fzus51 kbox 180911
cwfbox
expires:202601182215;;090920

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz230-182215-
boston harbor-
411 am est sun jan 18 2026

.today...sw winds 5 to 10 kt, becoming e this afternoon. waves
1 foot or less. patchy fog. snow. vsby 1 to 3 nm. 
.tonight...ne winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
patchy fog. snow. vsby 1 nm or less.
.mon...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. waves around 2 ft. patchy fog in the morning. snow
likely in the morning with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. 
.tue and tue night...w winds 10 to 15 kt with gusts up to 30 kt.
waves around 2 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. a chance of snow showers. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. a chance of snow showers. 
.thu night...w winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 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 180911
cwfbox
expires:202601182215;;090909

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
411 am est sun jan 18 2026

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


anz250-182215-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
411 am est sun jan 18 2026

...small craft advisory in effect until 10 am est this morning...

.today...sw winds 5 to 10 kt, becoming n this afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 10 seconds and w 2 ft at
4 seconds. patchy fog. rain. a chance of snow this morning, then
snow this afternoon. vsby 1 nm or less. 
.tonight...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 2 to 4 ft. wave detail: n 4 ft at 6 seconds and w 1 foot at
3 seconds. patchy fog. snow. rain in the evening. vsby 1 nm or
less. 
.mon...w winds 10 to 15 kt with gusts up to 20 kt, becoming sw
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 3 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: e 4 ft
at 7 seconds and nw 2 ft at 4 seconds, becoming sw 4 ft at
4 seconds and se 4 ft at 10 seconds. patchy fog in the morning.
snow likely in the morning with vsby 1 to 3 nm. 
.mon night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 5 to 7 ft. wave detail: w 6 ft at 5 seconds
and se 4 ft at 10 seconds. light freezing spray after midnight. 
.tue...w winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft, subsiding to 3 to 5 ft in the afternoon. wave detail: w
5 ft at 5 seconds and se 2 ft at 10 seconds. light freezing
spray. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: w 5 ft at 5 seconds and se 2 ft at
10 seconds. light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. light freezing spray. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. a chance of showers. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of showers. 
.thu night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. light freezing spray.  

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.

$$