Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65ft.

Mostly Cloudy

50°F

10°C

Humidity 94%
Wind Speed NE 3 MPH
Barometer 30.33 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Dec 7:20 pm PST
Extended Forecast for

2 Miles NNW Half Moon Bay CA

High Surf Advisory until December 20, 03:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until December 20, 03:00am

    NOW until
    3:00am Thu

    High Surf Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Light and variable wind becoming northeast 5 to 10 mph after midnight.

    Mostly Cloudy

    Low: 49 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Northeast wind 16 to 18 mph, with gusts as high as 23 mph.

    Mostly Sunny

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 47. Northeast wind around 11 mph.

    Partly Cloudy

    Low: 47 °F

  • Thursday

    Thursday: Partly sunny, with a high near 59. East northeast wind 7 to 10 mph becoming west southwest in the morning.

    Partly Sunny

    High: 59 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 49. South wind around 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain

    Low: 49 °F

  • Friday

    Friday: Partly sunny, with a high near 59.

    Partly Sunny

    High: 59 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 44.

    Mostly Cloudy

    Low: 44 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    Mostly Sunny

    High: 59 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Light and variable wind becoming northeast 5 to 10 mph after midnight.
Wednesday
Mostly sunny, with a high near 61. Northeast wind 16 to 18 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 47. Northeast wind around 11 mph.
Thursday
Partly sunny, with a high near 59. East northeast wind 7 to 10 mph becoming west southwest in the morning.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49. South wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A slight chance of rain. Partly sunny, with a high near 59.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Christmas Day
A slight chance of showers. Partly sunny, with a high near 58.
Click Map For Forecast
Point Forecast:
2 Miles NNW Half Moon Bay CA
 37.5°N 122.42°W (Elev. 440 ft)
1:03 pm PST Dec 18, 2018
7pm PST Dec 18, 2018-6pm PST Dec 25, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database