• 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 120806
cwfbox
expires:202608122100;;046013

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-122100-
boston harbor-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming se this afternoon. waves
1 foot or less. 
.tonight...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. 
.thu...sw winds around 5 kt. waves 1 foot or less. a chance of
showers in the afternoon. 
.thu night...w winds 5 to 10 kt. waves 1 foot or less.
.fri...nw winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the afternoon. 
.fri night...n winds 5 to 10 kt. waves around 2 ft. 
.sat through sun...sw winds 5 to 10 kt. waves around 2 ft. 
.sun night...s winds 10 to 15 kt. waves around 2 ft. showers
likely.  

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 120806
cwfbox
expires:202608122100;;046002

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-122100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt wed aug 12 2026

.today...nw winds around 5 kt, becoming se this afternoon. seas
1 foot or less. wave detail: nw 1 foot at 3 seconds and s 1 foot
at 6 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and n 1 foot at
3 seconds. 
.thu...sw winds around 5 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and sw 1 foot at 3 seconds. a chance of
showers in the afternoon. 
.thu night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: e 1 foot at 3 seconds and sw
1 foot at 3 seconds. 
.fri and fri night...n 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 se 1 foot at
4 seconds. 
.sat...n winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 4 ft.
wave detail: n 3 ft at 5 seconds and s 1 foot at 7 seconds. 
.sat night and sun...sw winds 5 to 10 kt. seas around 2 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers.  

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 2026 WeatherFlow, Inc · Contact Us ·