• 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 290806
cwfbox
expires:202603292100;;475178

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sun mar 29 2026

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


anz230-292100-
boston harbor-
405 am edt sun mar 29 2026

...small craft advisory in effect from noon edt today through
monday evening...

.today...sw winds 10 to 15 kt. gusts up to 25 kt this afternoon.
waves around 2 ft this morning, then 1 foot or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 foot or less. a chance of rain. 
.tue night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. waves around 2 ft. a chance of rain.
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft. a chance of rain. 
.wed night...nw winds 15 to 20 kt. waves 2 to 3 ft. rain likely. 
.thu...ne winds 15 to 20 kt. waves 2 to 4 ft. rain and snow
likely. 
.thu night...ne winds 15 to 20 kt. waves 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.

$$
fzus51 kbox 290806
cwfbox
expires:202603292100;;475167

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sun mar 29 2026

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


anz250-292100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt sun mar 29 2026

...small craft advisory in effect from noon edt today through
monday evening...

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

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