Significant Storm Systems Impacting Both the West and East Coasts

Heavy rain along the West Coast will increase the threat of mudslides and debris flows from wildfire burn scars in California this week. Severe thunderstorms with damaging winds and large hail, as well as a few tornadoes, may occur across the portions of the Southeast on Tues. Another Nor'easter will bring snow, strong winds, and coastal flooding to the Mid-Atlantic and Northeast through Thurs.

Last Update: 146 PM PDT Tue Mar 20 2018

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Portland, OR Local Forecast Office

24NM ENE Seaside OR

Marine Zone Forecast

Synopsis: High pressure northwest of the waters with low pressure along the CA coast will bring gusty winds this afternoon. The low will eventually merge with a stronger system pushing south from Alaska, resulting in a broader low pressure system near the Pac NW coast later this week. Then expect periods of gusty winds with possible gales on Friday.

In The Main Channel
Combined seas 3 to 5 ft through wednesday. However, seas will temporarily be 5 ft during the ebb around 730 pm tuesday and 7 ft during both the strong ebb around 8 am wednesday and the ebb around 815 pm wednesday.
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Last Update: 146 PM PDT Tue Mar 20 2018
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