• 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- Cape Cod

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
 > Wind FlowViz 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 301404
cwfbox
expires:202610310300;;969551

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz231-310300-
cape cod bay-
1004 am edt fri oct 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday morning...

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas around 2 ft. wave detail: w 1 foot at 3 seconds and se
1 foot at 4 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 4 ft at 6 seconds and se 1 foot at
8 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 6 seconds and se 1 foot at 9 seconds. 
.sat night...nw winds around 5 kt. seas 2 to 3 ft. wave detail: n
3 ft at 6 seconds and se 1 foot at 10 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 5 seconds and se 1 foot at 9 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft. wave detail: sw 1 foot at 3 seconds and
ne 1 foot at 3 seconds.  

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 301404
cwfbox
expires:202610310300;;969555

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz232-310300-
nantucket sound-
1004 am edt fri oct 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday morning...

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 1 foot at
4 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: nw 3 ft at 4 seconds and ne 3 ft at 9 seconds.
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 3 ft
at 4 seconds and se 1 foot at 8 seconds. 
.sat night...nw winds around 5 kt. seas around 2 ft. wave detail:
n 1 foot at 3 seconds and se 1 foot at 9 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and ne
1 foot at 4 seconds.  

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 301404
cwfbox
expires:202610310300;;969556

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz233-310300-
vineyard sound-
1004 am edt fri oct 30 2026

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
8 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 3 ft at 6 seconds and se 1 foot at
8 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and
se 1 foot at 8 seconds. 
.sat night...nw winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and ne 1 foot at 3 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and ne
1 foot at 4 seconds.  

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 301404
cwfbox
expires:202610310300;;969557

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz234-310300-
buzzards bay-
1004 am edt fri oct 30 2026

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds and se 1 foot at
8 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and
se 1 foot at 8 seconds. 
.sat night...nw winds around 5 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 2 seconds and ne 1 foot at 4 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and ne
1 foot at 4 seconds.  

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 301404
cwfbox
expires:202610310300;;969558

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz235-310300-
rhode island sound-
1004 am edt fri oct 30 2026

.this afternoon...w winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft at
4 seconds and se 1 foot at 7 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds and s 1 foot at 7 seconds.
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and
se 1 foot at 8 seconds. 
.sat night...nw winds around 5 kt. seas around 2 ft. wave detail:
nw 1 foot at 3 seconds and ne 1 foot at 3 seconds. 
.sun and sun night...w winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and se 2 ft at 8 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e
2 ft at 3 seconds.  

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 301404
cwfbox
expires:202610310300;;969561

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz236-310300-
narragansett bay-
1004 am edt fri oct 30 2026

.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. waves
around 2 ft. 
.tonight...nw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. waves around 2 ft. 
.sat night...nw winds around 5 kt. waves 1 foot or less. 
.sun and sun night...sw winds 5 to 10 kt. waves 1 foot or less. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 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 301404
cwfbox
expires:202610310300;;969549

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz250-310300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am edt fri oct 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday afternoon...

.this afternoon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 1 foot at
6 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: n 4 ft at 5 seconds and se 1 foot at
8 seconds. 
.sat...n winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: n 4 ft
at 6 seconds and se 1 foot at 8 seconds. 
.sat night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
3 ft at 5 seconds and se 1 foot at 9 seconds. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and n 2 ft at
5 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and sw
2 ft at 4 seconds.  

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 301404
cwfbox
expires:202610310300;;969552

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz254-310300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 am edt fri oct 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday afternoon...

.this afternoon...w winds 10 to 15 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
4 seconds. 
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 5 ft at 6 seconds and se 1 foot at
7 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: n 5 ft
at 6 seconds and se 1 foot at 8 seconds. 
.sat night...nw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: n
4 ft at 6 seconds and se 1 foot at 9 seconds. 
.sun and sun night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 6 seconds and se 1 foot at
9 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and ne
3 ft at 5 seconds.  

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 301404
cwfbox
expires:202610310300;;969553

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt fri oct 30 2026

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


anz255-310300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 am edt fri oct 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through saturday morning...

.this afternoon...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds. 
.tonight...nw winds 20 to 25 kt. seas 3 to 5 ft. wave detail: nw
5 ft at 6 seconds and se 1 foot at 7 seconds. 
.sat...n winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: n 5 ft at 5 seconds and
se 1 foot at 8 seconds. 
.sat night...n winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: ne 2 ft at 5 seconds and w 1 foot at
4 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 2 ft at 3 seconds and ne 1 foot at 5 seconds. 
.mon through tue night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and ne
2 ft at 3 seconds.  

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 ·