• 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 120903
cwfbox
expires:202511122200;;277582

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am est wed nov 12 2025

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


anz230-122200-
boston harbor-
403 am est wed nov 12 2025

...small craft advisory in effect until 3 pm est this afternoon...

.today...sw winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.thu...w winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.thu night...nw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.fri and fri night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sat...nw winds 10 to 15 kt. waves around 2 ft. 
.sat night and sun...sw winds 5 to 10 kt, increasing to 10 to
15 kt with gusts up to 20 kt. waves around 2 ft. rain.
.sun night...w winds 20 to 25 kt. waves around 2 ft. a chance of
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.

$$
fzus51 kbox 120903
cwfbox
expires:202511122200;;277571

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am est wed nov 12 2025

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


anz250-122200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am est wed nov 12 2025

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

.today...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft, subsiding to 3 to 4 ft this afternoon. wave detail: sw 5 ft
at 5 seconds and se 2 ft at 11 seconds, becoming sw 4 ft at
5 seconds and se 2 ft at 11 seconds. a slight chance of showers. 
.tonight...w winds around 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: w 3 ft at 4 seconds and se 1 foot at
11 seconds. 
.thu...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: w 3 ft at 4 seconds and se 1 foot at
10 seconds. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: nw 4 ft at 4 seconds and se 1 foot at
9 seconds. 
.fri and fri night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: nw 4 ft at 4 seconds and ne 2 ft at
8 seconds. 
.sat...nw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: n 3 ft at 5 seconds. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of rain. 
.sun...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. rain. vsby 1 to 3 nm. 
.sun night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. a chance of 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 ·