• 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 ·
xt_Caribbean

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

fzca52 tjsj 091932
cwfsju
expires:202604100830;;097708

coastal waters forecast
national weather service san juan pr
332 pm ast thu apr 9 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz712-100830-
coastal waters of northern puerto rico out 10 nm-
332 pm ast thu apr 9 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
around 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 9 seconds and northeast 3 feet at 13 seconds. isolated showers. 
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: northeast 4 feet
at 9 seconds and northwest 3 feet at 12 seconds. 
.friday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
wave detail: east 4 feet at 9 seconds and north 4 feet at
11 seconds. scattered showers after midnight. 
.saturday...east winds 10 to 15 knots. gusts up to 25 knots in the
afternoon. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
east 4 feet at 9 seconds and north 4 feet at 10 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
east 4 feet at 9 seconds and north 4 feet at 11 seconds. 
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: east 4 feet at
9 seconds and north 4 feet at 11 seconds. scattered showers. 
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 5 to 6 feet, occasionally to 8 feet. numerous showers. 
.monday...east winds 10 to 15 knots. seas 5 to 6 feet, occasionally
to 8 feet. scattered showers. 
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
scattered showers. 
.tuesday...east winds 10 to 15 knots. seas around 6 feet,
occasionally to 8 feet. scattered showers in the morning, then
numerous showers in the afternoon. 
.tuesday night...east winds 10 to 15 knots. seas around 6 feet,
occasionally to 8 feet. scattered showers. 

$$
fzca52 tjsj 091932
cwfsju
expires:202604100830;;097713

coastal waters forecast
national weather service san juan pr
332 pm ast thu apr 9 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz735-100830-
coastal waters of southern puerto rico out 10 nm-
332 pm ast thu apr 9 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds. isolated showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 6 seconds. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 6 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers in the morning. 
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. scattered showers. 
.monday...east winds 10 to 15 knots. seas 2 to 3 feet. numerous
showers, mainly in the morning. 
.monday night...northeast winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers. 
.tuesday...east winds 10 to 15 knots. seas 2 to 4 feet, occasionally
to 5 feet. scattered showers. 
.tuesday night...northeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 

$$
fzca52 tjsj 091932
cwfsju
expires:202604100830;;097714

coastal waters forecast
national weather service san juan pr
332 pm ast thu apr 9 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz741-100830-
mona passage southward to 17n-
332 pm ast thu apr 9 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 7 seconds and northeast 2 feet at 8 seconds. scattered showers
with isolated thunderstorms early this evening, then isolated
showers late this evening and overnight. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
around 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 6 seconds and north 3 feet at 12 seconds. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet
at 7 seconds and north 3 feet at 11 seconds. scattered showers after
midnight. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 6 seconds and north 3 feet at 11 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
north 4 feet at 11 seconds and southeast 3 feet at 6 seconds.
scattered showers in the evening. 
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 6 seconds and north 4 feet at 11 seconds. scattered showers in
the afternoon. 
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. scattered showers. 
.monday...east winds 10 to 15 knots. seas 4 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon. 
.monday night...northeast winds 15 to 20 knots. seas 5 to 7 feet,
occasionally to 9 feet. numerous showers. 
.tuesday...northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 4 to 6 feet, occasionally to 8 feet.
scattered showers in the afternoon. 
.tuesday night...northeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$
fzca52 tjsj 091932
cwfsju
expires:202604100830;;097715

coastal waters forecast
national weather service san juan pr
332 pm ast thu apr 9 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz742-100830-
coastal waters of northwestern puerto rico out 10 nm-
332 pm ast thu apr 9 2026

.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: south 2 feet at 6 seconds and northeast
2 feet at 14 seconds. scattered showers with isolated thunderstorms
early this evening. 
.friday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
northwest 3 feet at 12 seconds and south 2 feet at 6 seconds.
scattered showers in the afternoon. 
.friday night...east winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
northeast 2 feet at 12 seconds. 
.saturday...northeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
south 1 foot at 6 seconds. numerous showers in the afternoon. 
.saturday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: north 3 feet at 10 seconds and south 1 foot at
5 seconds. scattered showers in the evening. 
.sunday...northeast winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: north 4 feet
at 11 seconds. numerous showers in the afternoon. 
.sunday night...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. scattered
showers. 
.monday...east winds 10 to 15 knots. seas 3 to 5 feet, occasionally
to 6 feet. numerous showers in the afternoon. 
.monday night...northeast winds 20 to 25 knots, becoming east 15 to
20 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet. 
.tuesday...northeast winds 10 to 15 knots, diminishing to around
5 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon. 
.tuesday night...northeast winds around 5 knots, becoming east after
midnight. seas 3 to 5 feet, occasionally to 6 feet. scattered
showers. 

winds and seas higher in and near thunderstorms.

$$
fzca52 tjsj 091932
cwfsju
expires:202604100830;;097716

coastal waters forecast
national weather service san juan pr
332 pm ast thu apr 9 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz745-100830-
coastal waters of southwestern puerto rico out 10 nm-
332 pm ast thu apr 9 2026

.tonight...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots late this evening and overnight. seas 2 to
3 feet. wave detail: southeast 2 feet at 6 seconds and northwest
1 foot at 11 seconds. scattered showers with isolated thunderstorms
early this evening. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds and northwest 2 feet at 12 seconds. 
.friday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northwest 3 feet at 12 seconds
and southeast 2 feet at 6 seconds. 
.saturday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northwest 3 feet at 11 seconds and southeast
2 feet at 6 seconds. scattered showers in the afternoon. 
.saturday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northwest 3 feet at 10 seconds
and south 2 feet at 6 seconds. scattered showers in the evening. 
.sunday...east winds around 5 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northwest 3 feet at 11 seconds and south
2 feet at 5 seconds. scattered showers in the afternoon. 
.sunday night...northeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers. 
.monday...east winds 5 to 10 knots. seas 2 to 3 feet. showers and
scattered thunderstorms in the afternoon. 
.monday night...northeast winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. 
.tuesday...northeast winds around 5 knots, increasing to 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon. 
.tuesday night...northeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

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