National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
Read More...

Hazardous Weather Conditions

Last Update: 848 AM PDT SUN APR 20 2014

View Nearby Observations

Columbia River Bar

Marine Zone Forecast

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
THROUGH LATE TONIGHT...


  • SynopsisHIGH PRES BUILDS OVER THE WATERS EARLY THIS MORNING. A WEAK FRONT APPROACHES THE WATERS TODAY...AND MAY BRUSH THE NORTHERN WATERS. WEAK HIGH PRES REMAINS OVER THE WATERS UNTIL THE NEXT SIGNIFICANT FRONT APPROACHES MID WEEK. LARGE WESTERLY SWELL SUBSIDES LATER TODAY.
  • In The Main Channel Combined seas 19 ft...decreasing to 14 to 16 ft by tonight. However...seas temporarily building to 21 ft with breakers during the strong ebb around 9 am today...and to 18 ft with breakers likely during the ebb around 945 tonight.



Additional Forecasts and Information

Zone Area Forecast for Columbia River Bar