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fzus51 kbox 120506
cwfbox
expires:202603121800;;054671

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt thu mar 12 2026

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


anz230-121800-
boston harbor-
106 am edt thu mar 12 2026

.rest of tonight...s winds 20 to 25 kt. waves around 2 ft. a
chance of showers with isolated tstms. 
.thu...sw winds 10 to 15 kt, becoming nw in the afternoon. gusts
up to 25 kt. waves around 2 ft. rain likely. snow likely in the
afternoon. 
.thu night...nw winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. a chance of snow in the evening. 
.fri...w winds around 10 kt, becoming sw 15 to 20 kt with gusts
up to 25 kt in the afternoon. waves around 2 ft. 
.fri night...s winds 20 to 25 kt. waves around 2 ft. 
.sat and sat night...w winds 20 to 25 kt with gusts up to 35 kt.
waves around 2 ft. 
.sun...n winds 5 to 10 kt. waves 1 foot or less. 
.sun night through mon night...sw winds 25 to 30 kt with gusts up
to 40 kt. waves 2 to 3 ft, except 4 to 6 ft at the outer harbor
entrance. rain. 

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 120506
cwfbox
expires:202603121800;;054662

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt thu mar 12 2026

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


anz231-121800-
cape cod bay-
106 am edt thu mar 12 2026

.rest of tonight...s winds around 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: sw 3 ft at 4 seconds and ne 1 foot
at 6 seconds. showers likely with a slight chance of tstms. 
.thu...sw winds around 15 kt, becoming nw in the afternoon. gusts
up to 25 kt. seas 3 to 4 ft. wave detail: sw 3 ft at 5 seconds
and se 2 ft at 8 seconds. a chance of rain in the morning, then
rain in the afternoon. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: nw 3 ft at 4 seconds and e 2 ft at
7 seconds. snow likely in the evening. 
.fri...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds and sw 2 ft at 7 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at
10 seconds. 
.sat and sat night...w winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and s 2 ft at
9 seconds. 
.sun...ne winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...se winds 25 to 30 kt. seas 2 to 4 ft. a chance of
rain. 
.mon and mon night...s winds 25 to 30 kt, becoming sw. gusts up
to 40 kt. seas 4 to 6 ft. rain. 

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.

$$
fzus51 kbox 120506
cwfbox
expires:202603121800;;054660

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt thu mar 12 2026

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


anz250-121800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
106 am edt thu mar 12 2026

...small craft advisory in effect through friday morning...

.rest of tonight...s winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 5 seconds and ne 2 ft at
7 seconds. showers likely with isolated tstms. 
.thu...sw winds 15 to 20 kt, becoming nw in the afternoon. gusts
up to 30 kt. seas 5 to 7 ft. wave detail: sw 5 ft at 5 seconds
and se 3 ft at 7 seconds. a chance of rain in the morning, then
rain likely in the afternoon. 
.thu night...nw winds 20 to 25 kt. seas 4 to 6 ft. wave detail: w
5 ft at 5 seconds and se 3 ft at 8 seconds. a chance of rain and
snow in the evening. 
.fri...w winds 15 to 20 kt, becoming sw in the afternoon. gusts
up to 25 kt. seas 4 to 6 ft. wave detail: sw 4 ft at 5 seconds
and nw 4 ft at 5 seconds. 
.fri night...s winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: s 6 ft at 5 seconds and se 3 ft at
10 seconds. 
.sat and sat night...w winds 20 to 25 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: sw 6 ft at 5 seconds and se 3 ft at
8 seconds. 
.sun...nw winds 15 to 20 kt. seas 2 to 4 ft. 
.sun night...se winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. a chance of rain. 
.mon...s winds around 30 kt with gusts up to 45 kt. seas 8 to
11 ft. rain.
.mon night...sw winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. rain. 

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.

$$
fzus51 kgyx 112104
cwfgyx
expires:202603121000;;035734

coastal waters forecast
national weather service gray me
503 pm edt wed mar 11 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-121000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
503 pm edt wed mar 11 2026

...small craft advisory in effect through thursday morning...

.tonight...se winds 5 to 10 kt with gusts up to 20 kt, becoming s
15 to 20 kt with gusts up to 35 kt late this evening and overnight.
seas 3 to 4 ft, building to 4 to 6 ft after midnight. wave detail: s
3 ft at 3 seconds and e 3 ft at 6 seconds, becoming s 6 ft at
6 seconds and e 3 ft at 7 seconds. patchy dense fog. a chance of
showers this evening. a slight chance of tstms. showers likely after
midnight. vsby 1 nm or less. 
.thu...sw winds 15 to 20 kt, becoming w in the afternoon. gusts up
to 30 kt. seas 5 to 7 ft. wave detail: s 6 ft at 7 seconds and w
3 ft at 3 seconds. patchy dense fog in the morning. showers likely,
mainly in the morning. vsby 1 nm or less. 
.thu night...nw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: w 4 ft at 4 seconds and s 4 ft at 8 seconds. a
chance of rain and snow showers in the evening with vsby 1 nm or
less. 
.fri...w winds 10 to 15 kt, becoming s 15 to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: sw 4 ft at 4 seconds and se 3 ft at
10 seconds. 
.fri night...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 7 ft at 7 seconds and se 3 ft at 10 seconds. a
chance of rain and snow. vsby 1 nm or less in the evening. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. seas 5 to 8 ft.
wave detail: s 8 ft at 9 seconds and w 5 ft at 5 seconds. 
.sat night...w winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 35 kt. seas 4 to 6 ft. 
.sun...nw winds 10 to 15 kt, becoming s 5 to 10 kt in the afternoon.
gusts up to 25 kt. seas 2 to 4 ft. 
.sun night...se winds 15 to 20 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. seas 3 to
5 ft, building to 5 to 8 ft after midnight. a chance of rain and
snow after midnight with vsby 1 to 3 nm. 
.mon...s winds 25 to 30 kt with gusts up to 45 kt. seas 10 to 14 ft.
rain.
.mon night...s winds 25 to 30 kt, becoming w after midnight. gusts
up to 45 kt. seas 10 to 14 ft, subsiding to 9 to 12 ft after
midnight. rain, mainly in the evening.  

winds and seas higher in and near tstms.

$$
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