• 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 252006
cwfbox
expires:202603260900;;286465

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt wed mar 25 2026

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


anz230-260900-
boston harbor-
405 pm edt wed mar 25 2026

...small craft advisory in effect from thursday morning through
thursday evening...

.tonight...s winds 15 to 20 kt. waves around 2 ft. a chance of
rain after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. a chance of rain in the morning. 
.thu night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. waves around 2 ft. rain. patchy fog after midnight with
vsby 1 to 3 nm. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. rain, mainly in the morning. patchy fog in the morning. 
.fri night and sat...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sat night...nw winds 5 to 10 kt. waves 1 foot or less. 
.sun through mon night...w winds 15 to 20 kt with gusts up to
25 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 252006
cwfbox
expires:202603260900;;286454

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt wed mar 25 2026

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


anz250-260900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt wed mar 25 2026

...small craft advisory in effect from 11 pm edt this evening
through friday afternoon...

.tonight...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: s 4 ft at 4 seconds and e 2 ft at 9 seconds. a
chance of rain after midnight. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and se 3 ft at 8 seconds.
a chance of rain in the morning. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 4 ft at 6 seconds. rain. patchy fog
after midnight with vsby 1 nm or less. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 8 seconds and nw 3 ft at 4 seconds.
a chance of rain. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night and sat...n winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: ne 5 ft at 6 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 7 seconds and
nw 2 ft at 3 seconds. 
.sun and sun night...w winds 10 to 15 kt, becoming sw 15 to
20 kt. gusts up to 25 kt. seas 2 to 4 ft.
.mon and mon night...sw 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.

$$
© Copyright 2026 WeatherFlow, Inc · Contact Us ·