Heavy rain, mountain snow and strong winds in the western U.S. this week

The western U.S. will experience active weather yet again this week as significant Pacific moisture brings rain and mountain snow to the region. This heavy rain will bring flood concerns to parts of WA, OR and CA. Very heavy snow is possible in the Sierra, Cascades, Great Basin and parts of the northern Rockies.
Read More...

Last Update: 353 AM PST WED JAN 18 2017

View Nearby Observations

58NM SW Santa Cruz CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON PST TODAY THROUGH

Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

SOUTHERLY WINDS WILL INCREASE BY WEDNESDAY AHEAD OF A FRONTAL SYSTEM. WINDS WILL DECREASE LATE WEDNESDAY NIGHT AS THE LOW LIFTS NORTHEAST BUT WILL INCREASE AGAIN BY FRIDAY AS ANOTHER STORM APPROACHES. VERY LARGE WEST SWELLS WILL ARRIVE LATER THIS WEEK WITH SWELLS BUILDING AS HIGH AS 26 FEET FRIDAY AND SATURDAY.

Today
S winds 10 to 20 kt...increasing to 20 to 30 kt in the afternoon. Wind waves 3 to 4 ft...increasing to 5 to 7 ft in the afternoon. W swell 8 to 9 ft at 14 seconds. Slight chance of rain in the morning...then rain likely in the afternoon.
Tonight
SW winds 25 to 35 kt. Combined seas 10 to 15 ft dominant period 14 seconds. Rain and slight chance of thunderstorms in the evening...then chance of rain after midnight.
Thu
W winds 10 to 20 kt. Gusts up to 35 kt in the afternoon. Wind waves 3 to 5 ft. W swell 12 to 15 ft at 17 seconds. Chance of showers in the morning...then slight chance of showers in the afternoon.
Thu Night
SW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 15 to 16 ft at 17 seconds. Chance of showers in the evening... Then rain after midnight.
Fri
W winds 20 to 30 kt with occasional gusts to 45 kt. Wind waves 5 to 7 ft. W swell 16 to 19 ft at 17 seconds...increasing to 21 to 24 ft at 17 seconds. Rain.
Sat
SW winds 20 to 30 kt. Wind waves 3 to 5 ft. W swell 24 to 26 ft...decreasing to 18 to 20 ft. Slight chance of showers..
Sun
W winds 25 to 35 kt. Combined seas 12 to 16 ft. Rain.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 353 AM PST WED JAN 18 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data