• 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- marblehead

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

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 010604
cwfbox
expires:202512011900;;804867

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est mon dec 1 2025

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


anz230-011900-
boston harbor-
104 am est mon dec 1 2025

...small craft advisory in effect through this afternoon...

.rest of tonight...w winds 15 to 20 kt. waves around 2 ft. 
.mon...w winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft. 
.mon night...n winds 5 to 10 kt, becoming e after midnight. waves
1 foot or less. 
.tue...se winds around 5 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. rain. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 kt, becoming nw after midnight.
gusts up to 30 kt. waves 2 to 3 ft. rain. a chance of snow after
midnight. vsby 1 to 3 nm. 
.wed and wed night...sw winds 15 to 20 kt. waves around 2 ft. 
.thu through fri...w winds 25 to 30 kt. waves around 2 ft. 
.fri night...sw winds around 10 kt. waves 1 foot or less. a
chance of snow.  

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 010604
cwfbox
expires:202512011900;;804856

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est mon dec 1 2025

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


anz250-011900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am est mon dec 1 2025

...small craft advisory in effect through this afternoon...

.rest of tonight...w winds around 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: w 4 ft at 4 seconds and se 3 ft at
7 seconds. 
.mon...w winds 20 to 25 kt, becoming nw 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds and
se 2 ft at 8 seconds. 
.mon night...n winds 10 to 15 kt, becoming se 5 to 10 kt after
midnight. seas 2 to 4 ft. wave detail: n 3 ft at 6 seconds and se
1 foot at 7 seconds. 
.tue...s winds around 10 kt, becoming se with gusts up to 20 kt
in the afternoon. seas around 2 ft. wave detail: ne 2 ft at
5 seconds and w 1 foot at 3 seconds. rain. vsby 1 to 3 nm. 
.tue night...ne winds 25 to 30 kt, becoming n after midnight.
seas 3 to 5 ft, building to 5 to 7 ft after midnight. wave
detail: ne 5 ft at 5 seconds and se 1 foot at 9 seconds, becoming
n 7 ft at 6 seconds and se 2 ft at 8 seconds. rain. vsby 1 to
3 nm. 
.wed...nw winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. seas 5 to
8 ft. wave detail: n 7 ft at 7 seconds and se 5 ft at 10 seconds.
.wed night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 4 to 6 ft. 
.thu...w winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. 
.thu night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. 
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. a chance of snow and 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.

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