• 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 051703
cwfbox
expires:202605060600;;061287

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue may 5 2026

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


anz230-060600-
boston harbor-
103 pm edt tue may 5 2026

...gale warning in effect until 11 pm edt this evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
waves around 2 ft. 
.tonight...s winds 20 to 25 kt, becoming sw 15 to 20 kt after
midnight. gusts up to 30 kt. waves around 2 ft. 
.wed...s winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. showers likely in the afternoon. 
.wed night...s winds 15 to 20 kt, becoming sw 10 to 15 kt after
midnight. gusts up to 25 kt. waves around 2 ft. patchy fog. rain.
.thu...w winds 5 to 10 kt. waves 1 foot or less. a chance of rain
in the morning, then a chance of showers in the afternoon. 
.thu night...w winds 5 to 10 kt. waves 1 foot or less. a chance
of showers in the evening. 
.fri and fri night...w winds 10 to 15 kt. waves around 2 ft. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 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.

$$
fzus51 kbox 051703
cwfbox
expires:202605060600;;061276

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue may 5 2026

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


anz250-060600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt tue may 5 2026

...small craft advisory in effect through wednesday evening...

.this afternoon...s winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: s 6 ft at 5 seconds and e 1 foot at
9 seconds. 
.tonight...s winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: s 6 ft at 6 seconds and e 2 ft at 9 seconds. 
.wed...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 6 ft at 6 seconds and e 1 foot at
10 seconds. a chance of showers in the afternoon. 
.wed night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 6 seconds and e 1 foot at
10 seconds. patchy fog. rain. vsby 1 nm or less in the evening. 
.thu...w winds 10 to 15 kt with gusts up to 20 kt, becoming sw
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: w 3 ft
at 5 seconds and e 1 foot at 9 seconds. a chance of rain in the
morning, then a chance of showers in the afternoon. 
.thu night...sw winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot at
9 seconds. a chance of showers in the evening. 
.fri through sat...s winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.sat night...sw winds 15 to 20 kt with gusts up to 25 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 ·