Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

High Surf Advisory in effect from February 18, 03:00 AM PST until February 20, 09:00 AM PST

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

Mostly Cloudy

45°F

7°C

Humidity	81%
Wind Speed	NNW 18 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	39°F (4°C)
Visibility	9.00 mi
Wind Chill	37°F (3°C)
Last update	17 Feb 11:15 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles N Half Moon Bay CA

High Surf Advisory February 18, 03:00am until February 20, 09:00am

Click here for hazard details and duration

High Surf Advisory

Tonight
Low: 42 °F
Showers
Likely and
Windy
Wednesday
High: 52 °F
Rain then
Chance Rain
Wednesday Night
Low: 42 °F
Rain and
Breezy
Thursday
High: 51 °F
Breezy. Rain
then Chance
Rain
Thursday Night
Low: 39 °F
Chance Rain
Friday
High: 53 °F
Mostly Sunny
Friday Night
Low: 41 °F
Slight Chance
Rain
Saturday
High: 58 °F
Chance Rain
and Breezy
Saturday Night
Low: 49 °F
Rain and
Breezy

Detailed Forecast

Tonight

Showers and thunderstorms likely before 1am, then rain likely, mainly between 1am and 2am. Mostly cloudy, with a steady temperature around 42. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Rain, mainly before 11am. High near 52. Light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain, mainly after 11pm. Low around 42. Breezy, with a west northwest wind 17 to 22 mph becoming west northwest 9 to 14 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain, mainly before 10am. High near 51. Breezy, with a west northwest wind 11 to 16 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A 30 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 39. Northwest wind 11 to 18 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Mostly sunny, with a high near 53.

Friday Night

A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 41.

Saturday

A chance of rain. Partly sunny, with a high near 58. Breezy.

Saturday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 49. Breezy.

Sunday

Rain. Cloudy, with a high near 61. Breezy.

Sunday Night

Rain. Cloudy, with a low around 52. Breezy.