Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Hazardous Weather Conditions

Hazardous Seas Warning in effect from April 1, 01:32 PM PDT until April 2, 05:00 PM PDT

For More Weather Information:

Portland, OR Local Forecast Office

11NM S Cannon Beach OR

Marine Point Forecast

[NOTICE]

This Afternoon
WSW 13kt
8ft

Haz. Seas Warning
Tonight
SW 10kt⇓
8-9ft

Haz. Seas Warning
Thursday
W 7kt
10-12ft

Haz. Seas Warning
Thursday Night
Light Wind
10ft
Friday
Light Wind
5-7ft
Friday Night
Light Wind
5ft
Saturday
⇑N 9kt
5ft
Saturday Night
NE 13kt
6ft
Sunday
NE 6kt
5-6ft

Associated Zone Forecast which includes this point

Last Update: 4:41 pm PDT Apr 1, 2026
Forecast Valid: 4pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026

View Nearby Observations

Detailed Forecast

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH THURSDAY AFTERNOON...

This Afternoon

WSW wind around 13 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. WNW swell 7 ft at 9 seconds. Wind waves around 5 ft.

Tonight

SW wind 5 to 10 kt becoming variable and less than 5 kt. Rain and possibly a thunderstorm before 5am, then rain likely. W swell 8 to 9 ft at 9 seconds. Wind waves 4 ft subsiding to 1 ft.

Thursday

WNW wind around 7 kt becoming WSW in the afternoon. A chance of rain, mainly before noon. W swell 12 ft at 10 seconds. Wind waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. W swell 8 to 10 ft. Wind waves 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. W swell 6 to 7 ft. Wind waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Clear. W swell 5 ft. Wind waves around 1 ft.

Saturday

Variable winds less than 5 kt becoming N 5 to 9 kt in the afternoon. Sunny. WNW swell 5 ft. Wind waves 1 to 2 ft.

Saturday Night

NE wind 6 to 13 kt. Partly cloudy. WNW swell 6 ft. Wind waves 1 to 3 ft.

Sunday

NE wind around 6 kt becoming NNW in the afternoon. Partly sunny. WNW swell 5 to 6 ft. Wind waves around 1 ft.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.