Hazardous Seas Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Portland OR
230 AM PST Thu Nov 20 2025
PZZ251>253-201900-
/O.CON.KPQR.SC.Y.0135.000000T0000Z-251120T1800Z/
/O.CON.KPQR.SE.W.0024.251120T1800Z-251121T1200Z/
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
230 AM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 4 AM PST FRIDAY...
* WHAT...For the Small Craft Advisory, seas 8 to 12 ft at 15
seconds and south winds 10 to 15 kt with gusts up to 20 kt early
Thursday. For the Hazardous Seas Warning, very steep and
hazardous seas 13 to 18 ft at 16 seconds and south winds 10 to
15 kt expected.
* WHERE...Inner Coastal Waters from Cape Shoalwater to Florence
out 10 NM.
* WHEN...Small Craft Advisory, until 10 AM PST this morning.
Hazardous Seas Warning, from 10 AM this morning to 4 AM PST
Friday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside. Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Portland OR
230 AM PST Thu Nov 20 2025
PZZ271>273-201900-
/O.CON.KPQR.SC.Y.0135.000000T0000Z-251120T1800Z/
/O.CON.KPQR.SE.W.0024.251120T1800Z-251121T1200Z/
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
230 AM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 4 AM PST FRIDAY...
* WHAT...For the Small Craft Advisory, seas 9 to 12 ft at 15
seconds and southwest winds 10 to 20 kt. For the Hazardous
Seas Warning, very steep and hazardous seas 14 to 19 ft at 15
seconds and southwest winds 5 to 10 kt expected.
* WHERE...Outer Coastal Waters from Cape Shoalwater to Florence
10 to 60 NM offshore.
* WHEN...Small Craft Advisory, until 10 AM PST this morning.
Hazardous Seas Warning, from 10 AM this morning to 4 AM PST
Friday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside. Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Portland OR
230 AM PST Thu Nov 20 2025
PZZ210-201900-
/O.CON.KPQR.SE.W.0024.251120T1800Z-251121T1200Z/
Columbia River Bar-
230 AM PST Thu Nov 20 2025
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 4 AM PST FRIDAY...
* WHAT...Very steep and hazardous seas 13 to 16 ft at 15 seconds
and south winds 10 to 15 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...From 10 AM this morning to 4 AM PST Friday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
* ADDITIONAL DETAILS...Strong ebb current of 5.73 kt at 428 PM
Thursday. Seas 13 to 16 ft. Ebb current of 2.86 kt at 457 AM
Friday. Seas 12 to 13 ft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside. Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.
&&
$$
For more information from the National Weather Service, visit:
https://www.weather.gov/portland/marine
