Map Based ETSS Forecasts

News Headlines

Preliminary Summary of July 15, 2025 Flash Flooding in the Tri Cities

Current Hazards
Current Conditions
Radar
Forecasts
Rivers and Lakes
Climate and Past Weather
Local Programs

3 Hourly Extratropical Storm Surge (ETSS) Maps Thru 96 Hours
All Maps Depict Tidal Departures - Above or Below Normal - in Feet (i.e. surge only)
"Mouse-Over" or Tap Forecast Hour Links to Change Forecast Map; Click on Image for full-size graphic

ETSS 3 Hourly Forecasts
3-Hour	\|	51-Hour
6-Hour	\|	54-Hour
9-Hour	\|	57-Hour
12-Hour	\|	60-Hour
15-Hour	\|	63-Hour
18-Hour	\|	66-Hour
21-Hour	\|	69-Hour
24-Hour	\|	72-Hour
27-Hour	\|	75-Hour
30-Hour	\|	78-Hour
33-Hour	\|	81-Hour
36-Hour	\|	84-Hour
39-Hour	\|	87-Hour
42-Hour	\|	90-Hour
45-Hour	\|	93-Hour
48-Hour	\|	96-Hour
96 Hour ETSS Loop