• 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_Great Lakes

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 klwx 172059
cwflwx
expires:202601180900;;060584

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz531-180900-
chesapeake bay from pooles island to sandy point-
358 pm est sat jan 17 2026

.rest of this afternoon...s winds 5 kt. waves less than 1 ft.
.tonight...nw winds around 5 kt. waves 1 ft or less. a chance of
rain. vsby 1 to 3 nm. 
.sun...n winds 5 to 10 kt. waves 1 ft. rain and snow. vsby 1 to
3 nm. 
.sun night...nw winds 10 to 15 kt. waves 1 to 2 ft. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...w winds 15 to 20 kt. waves 2 ft. 
.tue...w winds 10 to 15 kt...becoming sw around 5 kt after midnight.
waves 1 to 2 ft...subsiding to flat after midnight. 
.wed...s winds 15 to 20 kt...becoming sw 10 to 15 kt after midnight.
waves 1 ft...building to 2 to 3 ft.  

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060587

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz532-180900-
chesapeake bay from sandy point to north beach-
358 pm est sat jan 17 2026

...small craft advisory in effect until 4 pm est this afternoon...

.rest of this afternoon...s winds 10 kt. waves 2 ft. 
.tonight...w winds around 5 kt. waves 1 ft or less. rain likely.
vsby 1 to 3 nm. 
.sun...n winds 5 to 10 kt. waves 1 ft. rain and snow. vsby 1 to
3 nm. 
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.mon...w winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...nw winds 15 to 20 kt. waves 2 ft. 
.tue...nw winds 10 to 15 kt...becoming s 5 kt after midnight. waves
1 to 2 ft...subsiding to flat after midnight. 
.wed...s winds 15 to 20 kt...becoming sw after midnight. waves 2 to
3 ft.  

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060589

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz533-180900-
chesapeake bay from north beach to drum point-
358 pm est sat jan 17 2026

...small craft advisory in effect until 4 pm est this afternoon...

.rest of this afternoon...sw winds 10 kt. waves 2 ft. 
.tonight...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. rain likely. vsby 1 to 3 nm. 
.sun...n winds 10 to 15 kt. waves 1 to 2 ft. rain and snow. vsby
1 to 3 nm. 
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.mon...sw winds 15 to 20 kt. waves 2 ft. 
.mon night...nw winds 15 to 20 kt. waves 2 ft. 
.tue...nw winds 10 to 15 kt...becoming s 5 kt after midnight. waves
1 to 2 ft. 
.wed...s winds 15 to 20 kt...becoming sw after midnight. waves 2 to
3 ft.  

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060592

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz534-180900-
chesapeake bay from drum point to smith point-
358 pm est sat jan 17 2026

...small craft advisory in effect until 4 pm est this afternoon...

.rest of this afternoon...sw winds 10 kt. waves 2 ft. 
.tonight...sw winds 5 to 10 kt...becoming ne late. waves 1 ft. rain
likely. 
.sun...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
rain and snow. vsby 1 to 3 nm. 
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
snow.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...nw winds 15 to 20 kt. waves 2 ft. 
.tue...nw winds 10 to 15 kt...becoming s 5 to 10 kt after midnight.
waves 1 to 2 ft. 
.wed...s winds 15 to 20 kt...becoming sw after midnight. waves 2 ft.
 

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060580

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz535-180900-
tidal potomac from key bridge to indian head-
358 pm est sat jan 17 2026

.rest of this afternoon...sw winds 10 kt. waves 1 ft. 
.tonight...n winds around 5 kt. waves 1 ft. rain likely. vsby 1 to
3 nm. 
.sun...n winds 5 to 10 kt. waves 1 ft. snow and rain. vsby 1 to
3 nm. 
.sun night...nw winds around 5 kt. waves 1 ft. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft. 
.tue...nw winds 5 to 10 kt...becoming light. waves 1 ft or less. 
.wed...s winds 10 to 15 kt. waves 1 ft.  

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060581

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz536-180900-
tidal potomac from indian head to cobb island-
358 pm est sat jan 17 2026

...small craft advisory in effect until 4 pm est this afternoon...

.rest of this afternoon...sw winds 10 kt. waves 1 ft. 
.tonight...nw winds around 5 kt. waves 1 ft. a chance of rain. vsby
1 to 3 nm. 
.sun...n winds 5 to 10 kt. waves 1 ft. snow and rain. vsby 1 to
3 nm. 
.sun night...nw winds 5 to 10 kt. waves 1 ft. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft. 
.tue...nw winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
.wed...s winds 10 to 15 kt. waves 1 ft.  

$$
fzus51 klwx 172059
cwflwx
expires:202601180900;;060582

coastal waters forecast
national weather service baltimore md/washington dc
358 pm est sat jan 17 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz537-180900-
tidal potomac from cobb island to smith point-
358 pm est sat jan 17 2026

...small craft advisory in effect until 4 pm est this afternoon...

.rest of this afternoon...sw winds 10 kt. waves 1 ft. 
.tonight...sw winds around 5 kt. waves 1 ft or less. rain likely. 
.sun...n winds 5 to 10 kt. waves 1 ft. rain and snow. vsby 1 to
3 nm. 
.sun night...nw winds 5 to 10 kt. waves 1 ft. snow likely. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...nw winds 10 to 15 kt. waves 1 ft. 
.tue...nw winds 5 to 10 kt...becoming s after midnight. waves 1 ft. 
.wed...s winds 10 to 15 kt...becoming sw after midnight. waves 1 to
2 ft.  

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