SFO Weather

57°F

Weather: Fog
Wind: 3 mph from N
Humidity: 100%
Barometer: 30.13 in.

— As of 4:38 a.m.

Coastal Flood Advisory

COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 915 PM PST FRI DEC 19 2014 …LARGE SURF EXPECTED NORTH BAY COAST FRIDAY AND SATURDAY… .LARGE NORTHWEST SWELL WILL IMPACT THE COAST OVERNIGHT THROUGH SATURDAY AFTERNOON. THE LARGE SWELL WILL GRADUALLY DECAY SATURDAY AFTERNOON INTO SATURDAY NIGHT. LARGE SURF COMBINED WITH INCREASING HIGH TIDE MAY RESULT IN SOME MINOR COASTAL FLOODING SATURDAY MORNING. LOCATIONS OF CONCERN WILL BE ALONG THE IMMEDIATE COAST INCLUDING SLOUGHS AND COASTAL MARSHES. KING TIDE WILL BEGIN TO OCCUR ON SUNDAY LASTING THROUGH TUESDAY. THESE HIGH SEASONAL TIDES WILL SPREAD THE COASTAL FLOODING CONCERN INTO BAY FRONT AREAS IN THE SAN FRANCISCO BAY AREA. CAZ506-508-201315- /O.NEW.KMTR.CF.Y.0003.141221T1700Z-141223T0400Z/ NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE- 915 PM PST FRI DEC 19 2014 …COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 8 PM PST MONDAY… THE SUN…MOON AND THE EARTH ARE COMING INTO PROPER ALIGNMENT TO ENCOURAGE THE LARGEST TIDAL CYCLES OF THE SEASON WHICH IS EXPECTED TO OCCUR OVER THE NEXT FEW DAYS. THESE EXTREME TIDES OFTEN REFEREED TO AS KING TIDES WILL RESULT IN COASTAL FLOODING OF LOW LYING AREAS ALONG OUR COAST LINE AND BAY FRONTS DURING PERIODS OF HIGH TIDE. THE LOCATIONS THAT ARE TYPICALLY DRY DURING HIGH TIDE MAY BECOME SUBMERGED DUE TO THIS EXTREME TIDAL CYCLE. DURING PERIODS OF EXTREME LOW TIDE EXPECT TO SEE TIDE POOLS DEVELOP ALONG THE IMMEDIATE COAST. THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A COASTAL FLOOD ADVISORY…WHICH IS IN EFFECT FROM 9 AM SUNDAY TO 8 PM PST MONDAY. * TIMING…GENERALLY SPEAKING…EXTREME HIGH TIDES ARE EXPECTED TO OCCUR DURING THE MID TO LATE MORNING HOURS OF DECEMBER 21ST…22ND AND 23RD. EXTREME LOW TIDE WILL OCCUR DURING THE LATE AFTERNOON TO LATE EVENING HOURS. THE EXACT TIMING OF TIDES IS LOCATION DEPENDENT SO PLEASE VISIT TIDESANDCURRENTS.NOAA.GOV/PORTS/…FOR MORE SPECIFIC TIDAL INFORMATION. * LOCATIONS…LOW LYING AREAS ALONG THE IMMEDIATE COAST AND BAY FRONT INCLUDING MARSHES AND SLOUGHS. THESE LOCATIONS MAY INCLUDE PARKING LOTS…COASTAL TRAILS…SIDEWALKS…UNDERPASSES AND ROADWAYS. * IMPACTS…SEA WATER ON ROADWAYS…PARKING LOTS…TRAILS AND SIDEWALKS. PEOPLE VISITING BEACHES MAY LOSE ENTRY AND EXIT TO COVES AND NARROW BEACHES. PRECAUTIONARY/PREPAREDNESS ACTIONS… A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE. DO NOT LEAVE YOUR VEHICLE IN LOW LYING PARKING LOTS NEAR THE COAST OR BAY FRONT. DO NOT TRAVEL THROUGH FLOODED ROADWAYS. IF VISITING THE COAST AVOID NARROW BEACHES AND COVES. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO

Seven-Day Forecast

Today

Slight Chc Showers

High: 62°F

Chance of rain: 20%

A 20 percent chance of showers. Mostly cloudy, with a high near 62. Northwest wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Slight Chc Showers

Low: 56°F

Chance of rain: 20%

A 20 percent chance of showers. Mostly cloudy, with a low around 56. South southwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Partly Sunny

High: 63°F

Partly sunny, with a high near 63. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

Sunday Night

Partly Cloudy

Low: 55°F

Partly cloudy, with a low around 55. West northwest wind 7 to 10 mph.

Monday

Mostly Sunny

High: 64°F

Mostly sunny, with a high near 64. Northwest wind 3 to 6 mph.

Monday Night

Partly Cloudy

Low: 53°F

Partly cloudy, with a low around 53.

Tuesday

Mostly Sunny

High: 64°F

Mostly sunny, with a high near 64.

Tuesday Night

Partly Cloudy

Low: 53°F

Partly cloudy, with a low around 53.

Wednesday

Partly Sunny

High: 63°F

Partly sunny, with a high near 63.

Wednesday Night

Slight Chc Rain

Low: 51°F

A slight chance of rain. Mostly cloudy, with a low around 51.

Christmas Day

Mostly Sunny

High: 61°F

Mostly sunny, with a high near 61.

Thursday Night

Partly Cloudy

Low: 48°F

Partly cloudy, with a low around 48.

Friday

Mostly Sunny

High: 61°F

Mostly sunny, with a high near 61.