National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Haze

59°F

15°C

Humidity 77%
Wind Speed WSW 7 MPH
Barometer 30.33 in
Dewpoint 52°F (11°C)
Visibility 5.00 mi
Last update 18 Dec 3:00 pm PST
Extended Forecast for

Montara 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

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 61. South southeast wind around 8 mph.

    Mostly Sunny

    High: 61 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South southeast wind 5 to 9 mph becoming northeast after midnight.

    Mostly Cloudy

    Low: 52 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North northwest wind 11 to 16 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 51. North wind 10 to 13 mph becoming east in the evening.

    Partly Cloudy

    Low: 51 °F

  • Thursday

    Thursday: Partly sunny, with a high near 60. Light and variable wind becoming west 5 to 8 mph in the morning.

    Partly Sunny

    High: 60 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain

    Low: 52 °F

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 60.

    Slight Chance
    Showers

    High: 60 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 48.

    Mostly Cloudy

    Low: 48 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. South southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 52. South southeast wind 5 to 9 mph becoming northeast after midnight.
Wednesday
Mostly sunny, with a high near 61. North northwest wind 11 to 16 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 51. North wind 10 to 13 mph becoming east in the evening.
Thursday
Partly sunny, with a high near 60. Light and variable wind becoming west 5 to 8 mph in the morning.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Monday
A chance of rain. Mostly cloudy, with a high near 60.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Christmas Day
A chance of showers. Partly sunny, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Montara CA
 37.55°N 122.52°W (Elev. 0 ft)
Last Update:
1:03 pm PST Dec 18, 2018
Forecast Valid:
3pm PST Dec 18, 2018-6pm PST Dec 25, 2018
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation