• 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 092305
cwfbox
expires:202605101200;;295533

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sat may 9 2026

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


anz230-101200-
boston harbor-
705 pm edt sat may 9 2026

.tonight...s winds 10 to 15 kt. gusts up to 20 kt this evening.
waves around 2 ft. showers, mainly this evening. patchy fog this
evening with vsby 1 to 3 nm. 
.sun...s winds around 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. a chance of showers in the afternoon. 
.sun night...nw winds 5 to 10 kt. waves 1 foot or less. a chance
of showers. 
.mon...nw winds around 5 kt, becoming sw in the afternoon. waves
1 foot or less. a chance of showers. 
.mon night...w winds 5 to 10 kt, becoming nw after midnight.
waves 1 foot or less. 
.tue and tue night...w winds 5 to 10 kt. waves 1 foot or less. 
.wed...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers. 
.wed night through thu night...e winds 10 to 15 kt with gusts up
to 20 kt. waves 2 to 3 ft. 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.

$$
fzus51 kbox 092305
cwfbox
expires:202605101200;;295522

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sat may 9 2026

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


anz250-101200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
705 pm edt sat may 9 2026

...small craft advisory in effect through sunday morning...

.tonight...s winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 5 seconds and e 2 ft at 9 seconds.
patchy fog. showers likely with a slight chance of tstms this
evening. a chance of showers after midnight. vsby 1 to 3 nm this
evening. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and e 2 ft at 9 seconds. 
.sun night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: e 4 ft at 9 seconds and s 3 ft at
6 seconds. 
.mon...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 8 seconds and se 3 ft at
8 seconds. a chance of showers.
.mon night and tue...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and se 4 ft at
9 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
2 to 4 ft. wave detail: se 2 ft at 7 seconds and w 1 foot at
3 seconds. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. a chance of showers. 
.thu and thu night...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. showers likely.  

winds and seas higher in and near tstms.

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 ·