• CLASSIC SAILFLOW
    Classic myiKitesurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iKitesurf  
Hi guest · Get your free membership now · Log In ·
MA- Cape Cod

Human Forecasts
 > Daily Briefing
 > Forecast Blog

Real-Time Data
 > Dynamic Map
 > Radar Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables
 > Wind Forecast Map
 > Radar Map
 > Tidal Currents Map

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

fzus51 kbox 260306
cwfbox
expires:202512261600;;232282

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz231-261600-
cape cod bay-
1006 pm est thu dec 25 2025

...gale warning in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds and e 2 ft at
10 seconds. light freezing spray. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt, diminishing to
15 to 20 kt in the afternoon. seas 4 to 6 ft. wave detail: n 6 ft
at 7 seconds and nw 2 ft at 4 seconds. light freezing spray in
the morning. 
.fri night...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: n
4 ft at 6 seconds and e 2 ft at 11 seconds. a chance of snow
after midnight with vsby 1 nm or less. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds and e 2 ft at 11 seconds.
a chance of snow in the morning with vsby 1 nm or less. 
.sat night...n winds 10 to 15 kt. seas around 2 ft. wave detail:
n 2 ft at 5 seconds and e 2 ft at 12 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 5 seconds and e 2 ft at 12 seconds. 
.sun night...sw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas around 2 ft. a chance of rain in the evening, then
rain after midnight. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. rain.
.mon night...w winds 25 to 30 kt. seas 3 to 5 ft. rain likely. 
.tue...w winds 25 to 30 kt. seas 3 to 5 ft. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 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 260306
cwfbox
expires:202512261600;;232286

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz232-261600-
nantucket sound-
1006 pm est thu dec 25 2025

...gale warning in effect until 7 am est friday...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: n 5 ft at 5 seconds and e 2 ft at
10 seconds. light freezing spray. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt, diminishing to
15 to 20 kt in the afternoon. seas 3 to 5 ft. wave detail: n 5 ft
at 6 seconds and e 2 ft at 11 seconds. light freezing spray in
the morning. 
.fri night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds and e 2 ft at 11 seconds. a chance of snow
after midnight with vsby 1 nm or less. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 3 seconds and e 2 ft at 11 seconds.
a chance of snow in the morning with vsby 1 nm or less. 
.sat night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and e
2 ft at 12 seconds. 
.sun...nw winds around 10 kt. seas around 2 ft. wave detail: nw
2 ft at 3 seconds and ne 2 ft at 6 seconds. 
.sun night...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance of
rain in the evening, then rain likely after midnight.
.mon...sw winds 20 to 25 kt. seas 3 to 5 ft. rain.
.mon night...w winds 25 to 35 kt with gusts up to 40 kt. seas
5 to 7 ft. rain likely. 
.tue...w winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
7 ft. 
.tue night...w winds 25 to 30 kt. seas 4 to 6 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 260306
cwfbox
expires:202512261600;;232287

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz233-261600-
vineyard sound-
1006 pm est thu dec 25 2025

...small craft advisory in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt. seas 3 to 4 ft. wave detail: n
4 ft at 5 seconds and sw 2 ft at 7 seconds. light freezing spray.
.fri...n winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds and
sw 1 foot at 7 seconds. light freezing spray in the morning. 
.fri night...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 1 foot or less, then around 2 ft after midnight.
wave detail: n 1 foot at 4 seconds and sw 1 foot at 7 seconds,
becoming ne 1 foot at 2 seconds and w 1 foot at 3 seconds. a
chance of snow in the evening, then snow likely after midnight.
vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 2 ft at 3 seconds and sw 1 foot at
7 seconds. a chance of snow in the morning with vsby 1 nm or
less. 
.sat night...n winds 10 to 15 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: n 1 foot at 4 seconds
and e 1 foot at 13 seconds, becoming n 1 foot at 4 seconds and e
1 foot at 12 seconds. 
.sun...nw winds around 10 kt. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: nw 1 foot at 2 seconds and ne
1 foot at 5 seconds, becoming w 1 foot at 3 seconds and ne 1 foot
at 6 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. a chance of rain in the evening, then
rain after midnight. 
.mon...sw winds 20 to 25 kt. seas 3 to 5 ft. rain.
.mon night...w winds 30 to 40 kt. seas 5 to 7 ft. rain likely. 
.tue...w winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
8 ft. 
.tue night...w winds 25 to 30 kt. seas 4 to 6 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 260306
cwfbox
expires:202512261600;;232288

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz234-261600-
buzzards bay-
1006 pm est thu dec 25 2025

...small craft advisory in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt. seas around 3 ft. wave detail:
n 3 ft at 5 seconds and sw 2 ft at 7 seconds. light freezing
spray. 
.fri...n winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds and
sw 1 foot at 7 seconds. light freezing spray in the morning. 
.fri night...ne winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and nw 1 foot at 6 seconds. a
chance of snow in the evening, then snow likely after midnight.
vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: n 1 foot at 4 seconds and sw 1 foot at
7 seconds. a chance of snow in the morning with vsby 1 nm or
less. 
.sat night...n winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft in the evening, then 1 foot or less.
wave detail: n 1 foot at 4 seconds and e 1 foot at 13 seconds,
becoming n 1 foot at 4 seconds and e 1 foot at 12 seconds. 
.sun...w winds 5 to 10 kt. seas 1 foot or less. wave detail: nw
1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. a chance of rain in the evening, then
rain after midnight. 
.mon...sw winds 20 to 25 kt. seas 3 to 5 ft. rain.
.mon night...w winds 25 to 35 kt. seas 4 to 6 ft. rain likely. 
.tue and tue night...w winds 25 to 35 kt. seas 4 to 6 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 260306
cwfbox
expires:202512261600;;232289

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz235-261600-
rhode island sound-
1006 pm est thu dec 25 2025

...small craft advisory in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt. seas 3 to 5 ft. wave detail: n
4 ft at 5 seconds and sw 3 ft at 7 seconds. light freezing spray.
.fri...n winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 4 ft at 5 seconds and
sw 1 foot at 7 seconds. light freezing spray in the morning. 
.fri night...ne winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas around 2 ft. wave detail:
ne 2 ft at 3 seconds and w 1 foot at 3 seconds. a chance of snow
in the evening, then snow likely after midnight. vsby 1 nm or
less. 
.sat...ne winds around 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 4 seconds and sw 1 foot at
7 seconds. a chance of snow and freezing rain in the morning with
vsby 1 nm or less. 
.sat night...n winds 10 to 15 kt. seas around 2 ft. wave detail:
n 2 ft at 4 seconds and e 1 foot at 13 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 4 seconds and s 1 foot at 8 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. a chance of rain in the evening, then
rain after midnight. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. rain.
.mon night...w winds 25 to 35 kt with gusts up to 40 kt. seas
6 to 9 ft. rain likely. 
.tue...w winds 25 to 35 kt with gusts up to 40 kt. seas 6 to
9 ft. 
.tue night...w winds 25 to 30 kt. seas 5 to 7 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 260306
cwfbox
expires:202512261600;;232292

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz236-261600-
narragansett bay-
1006 pm est thu dec 25 2025

...small craft advisory in effect until 7 am est friday...

.overnight...n winds 20 to 25 kt, diminishing to 15 to 20 kt.
gusts up to 30 kt. waves 2 to 3 ft. light freezing spray. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. waves 2 to 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 foot or less, then
around 2 ft after midnight. a chance of snow in the evening, then
snow likely after midnight. vsby 1 nm or less. 
.sat...n winds 10 to 15 kt. waves around 2 ft. a chance of snow
in the morning with vsby 1 nm or less. 
.sat night...n winds 5 to 10 kt. waves 1 foot or less. 
.sun...w winds 5 to 10 kt. waves 1 foot or less. 
.sun night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
rain in the evening, then rain after midnight. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft. rain.
.mon night...w winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. rain likely. 
.tue and tue night...w winds 20 to 25 kt, diminishing to 15 to
20 kt. gusts up to 30 kt. waves 3 to 5 ft, except 4 to 6 ft at
the bay entrance.  

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 260306
cwfbox
expires:202512261600;;232280

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz250-261600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 pm est thu dec 25 2025

...gale warning in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. wave detail: n 9 ft at 6 seconds and e 3 ft at
11 seconds. light freezing spray. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: n 7 ft at 6 seconds and e
2 ft at 11 seconds, becoming n 6 ft at 6 seconds and e 2 ft at
11 seconds. light freezing spray in the morning. 
.fri night...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 3 to 5 ft. wave detail: ne 5 ft at 7 seconds and e
3 ft at 10 seconds. a chance of snow after midnight with vsby
1 nm or less. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 6 seconds and e 3 ft at 12 seconds.
.sat night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: ne 4 ft at 5 seconds and e
2 ft at 12 seconds. 
.sun...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 6 seconds and e 2 ft at 12 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. a chance of rain in the evening, then
rain likely after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. rain.
.mon night...w winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. rain likely. 
.tue and tue night...w winds 25 to 30 kt with gusts up to 40 kt.
seas 5 to 8 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 260306
cwfbox
expires:202512261600;;232283

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz254-261600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 pm est thu dec 25 2025

...gale warning in effect until 7 am est friday...

.overnight...n winds 25 to 30 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: nw 9 ft at 7 seconds and n 6 ft at
7 seconds. light freezing spray. a slight chance of freezing
rain. 
.fri...n winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 7 to 10 ft, subsiding to 5 to 8 ft in the
afternoon. wave detail: nw 9 ft at 7 seconds and n 8 ft at
8 seconds, becoming n 7 ft at 8 seconds and ne 5 ft at
11 seconds. light freezing spray in the morning. 
.fri night...ne winds 5 to 10 kt. seas 5 to 7 ft, subsiding to
3 to 5 ft after midnight. wave detail: n 6 ft at 8 seconds and e
3 ft at 10 seconds, becoming ne 4 ft at 8 seconds and e 3 ft at
10 seconds. a chance of snow after midnight with vsby 1 nm or
less. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 12 seconds and n 3 ft at 7 seconds.
a chance of snow in the morning with vsby 1 to 3 nm. 
.sat night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: ne 4 ft at 6 seconds and e
4 ft at 12 seconds. 
.sun...nw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: ne 4 ft
at 6 seconds and e 2 ft at 12 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. rain likely after midnight. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. rain.
.mon night...w winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft, except 10 to 14 ft s and e of nantucket. rain likely. 
.tue...w winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft, except 10 to 14 ft s and e of nantucket. 
.tue night...w winds 25 to 30 kt. seas 6 to 9 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 260306
cwfbox
expires:202512261600;;232284

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est thu dec 25 2025

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


anz255-261600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 pm est thu dec 25 2025

...gale warning in effect until 7 am est friday...

.overnight...n winds 30 to 35 kt, becoming nw 25 to 30 kt. seas
5 to 8 ft. wave detail: nw 8 ft at 6 seconds and e 4 ft at
10 seconds. light freezing spray. 
.fri...n winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 5 to 7 ft, subsiding to 3 to 5 ft in the
afternoon. s and e of nantucket, seas 7 to 10 ft. wave detail: nw
6 ft at 6 seconds and e 3 ft at 11 seconds, becoming e 4 ft at
11 seconds and nw 3 ft at 5 seconds. light freezing spray in the
morning. 
.fri night...ne winds 10 to 15 kt. seas 3 to 5 ft. wave detail:
ne 3 ft at 4 seconds and e 3 ft at 11 seconds. a chance of snow.
vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.sat...ne winds 15 to 20 kt. seas 2 to 4 ft. wave detail: ne 4 ft
at 4 seconds and e 3 ft at 12 seconds. a chance of snow in the
morning with vsby 1 nm or less. 
.sat night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 4 ft. wave detail: n 4 ft at 5 seconds
and e 3 ft at 12 seconds. 
.sun...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 6 seconds and nw 2 ft at 4 seconds. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. a chance of rain in the evening, then
rain likely after midnight. 
.mon...sw winds 25 to 30 kt. seas 6 to 9 ft. rain.
.mon night...w winds 35 to 45 kt. seas 10 to 14 ft. rain likely. 
.tue...w winds 30 to 40 kt with gusts up to 45 kt. seas 10 to
14 ft. 
.tue night...w winds 25 to 35 kt with gusts up to 40 kt. seas
7 to 10 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.

$$
© Copyright 2025 WeatherFlow, Inc · Contact Us ·