• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
MA- north coast

Human Forecasts
 > Daily Briefing
 > Forecast Blog

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

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus51 kbox 290306
cwfbox
expires:202512291600;;411425

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 28 2025

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


anz230-291600-
boston harbor-
1006 pm est sun dec 28 2025

...gale warning in effect from monday evening through tuesday
evening...

.overnight...s winds 10 to 15 kt. gusts up to 20 kt. waves 1 foot
or less, then around 2 ft. a chance of rain, then rain with a
chance of freezing rain with vsby 1 nm or less.
.mon...s winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. rain. patchy fog in the morning. vsby 1 nm or less. 
.mon night...w winds 20 to 25 kt. gusts up to 30 kt, increasing
to 40 kt after midnight. waves around 2 ft. 
.tue...w winds 25 to 30 kt. gusts up to 45 kt in the morning.
waves around 2 ft. 
.tue night and wed...sw winds 25 to 30 kt. waves around 2 ft. 
.wed night...sw winds 15 to 20 kt, becoming w after midnight.
waves around 2 ft. 
.thu through fri night...w winds 15 to 20 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 290306
cwfbox
expires:202512291600;;411416

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 28 2025

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


anz231-291600-
cape cod bay-
1006 pm est sun dec 28 2025

...gale warning in effect from monday evening through wednesday
morning...

.overnight...sw winds around 10 kt, becoming s 15 to 20 kt with
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 2 ft at
3 seconds and n 2 ft at 5 seconds. a chance of rain, then rain
with vsby 1 nm or less. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: s 3 ft at 5 seconds and e 1 foot at 5 seconds.
rain. patchy fog in the morning. vsby 1 nm or less, increasing to
1 to 3 nm in the afternoon. 
.mon night...w winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 40 kt. seas 4 to 6 ft. wave detail: w 4 ft
at 4 seconds and s 3 ft at 8 seconds. a chance of showers in the
evening. 
.tue...w winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. wave detail: w
5 ft at 5 seconds and sw 3 ft at 10 seconds, becoming w 4 ft at
5 seconds and sw 3 ft at 9 seconds. light freezing spray in the
morning. 
.tue night...w winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: w 5 ft at 5 seconds and sw 3 ft at
9 seconds. light freezing spray. 
.wed...w winds 20 to 25 kt, becoming sw 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: w 4 ft at 5 seconds and
sw 2 ft at 9 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. a chance of snow after midnight. 
.thu through fri...w winds 15 to 20 kt. seas 2 to 3 ft. a chance
of snow. 
.fri night...w winds around 10 kt. seas 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 290306
cwfbox
expires:202512291600;;411414

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 28 2025

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


anz250-291600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 pm est sun dec 28 2025

...gale warning in effect from monday evening through wednesday
morning...

.overnight...sw winds 10 to 15 kt, becoming s 15 to 20 kt with
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft at
4 seconds and s 2 ft at 7 seconds. a chance of rain, then rain
with vsby 1 nm or less. 
.mon...s winds around 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at
11 seconds. rain. patchy fog in the morning. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.mon night...w winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
seas 4 to 6 ft, building to 5 to 8 ft after midnight. wave
detail: sw 5 ft at 5 seconds and se 3 ft at 6 seconds, becoming w
7 ft at 6 seconds and s 2 ft at 8 seconds. a chance of showers in
the evening. 
.tue...w winds around 30 kt with gusts up to 45 kt. seas 6 to
9 ft. wave detail: w 7 ft at 6 seconds and s 4 ft at 9 seconds.
light freezing spray. 
.tue night...w winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 8 ft. wave detail: w 7 ft at 7 seconds and se 1 foot at
11 seconds. light freezing spray. 
.wed...sw 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
6 ft at 6 seconds and s 2 ft at 10 seconds, becoming sw 5 ft at
5 seconds and s 1 foot at 10 seconds. 
.wed night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. a chance of light freezing spray after midnight. a
chance of snow after midnight. 
.thu...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of light freezing spray. a chance of snow. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of snow. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 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 kgyx 282203
cwfgyx
expires:202512291100;;398670

coastal waters forecast
national weather service gray me
502 pm est sun dec 28 2025

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


anz154-291100-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm est sun dec 28 2025

...gale warning in effect from monday evening through wednesday
morning...

.tonight...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt late this evening and early morning, then becoming s
15 to 20 kt with gusts up to 30 kt towards daybreak. seas 2 to 4 ft.
wave detail: s 3 ft at 4 seconds and ne 2 ft at 5 seconds. a slight
chance of rain late this evening. rain after midnight with vsby 1 to
3 nm. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to 5 ft.
wave detail: s 4 ft at 5 seconds. rain. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.mon night...w winds 25 to 30 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: sw 5 ft at 6 seconds. a chance of rain in the
evening. 
.tue...w winds 25 to 30 kt with gusts up to 45 kt. seas 5 to 7 ft.
wave detail: sw 6 ft at 4 seconds and s 5 ft at 7 seconds. 
.tue night...w winds 20 to 25 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: w 6 ft at 5 seconds and s 2 ft at 11 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to 5 ft.
wave detail: sw 5 ft at 5 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. 
.thu...w winds 15 to 20 kt with gusts up to 30 kt. seas 2 to 4 ft. 
.thu night...w winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 3 ft. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft.  

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