High Surf Warning issued December 22 at 1:14AM PST until December 24 at 12:00PM PST by NWS San Francisco CA
* WHAT...For the High Surf Advisory, large breaking waves of 20 to 26 feet, including breakers near 30 feet at favored spots such as Mavericks. For the High Surf Warning, dangerously large breaking waves of 30 to 35 feet, including breakers up to 40 feet at favored spots such as Mavericks. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...For the High Surf Advisory, until 4 PM PST this afternoon. For the High Surf Warning, from 4 PM this afternoon to
High Surf Advisory issued December 22 at 1:14AM PST until December 22 at 4:00PM PST by NWS San Francisco CA
* WHAT...For the High Surf Advisory, large breaking waves of 20 to 26 feet, including breakers near 30 feet at favored spots such as Mavericks. For the High Surf Warning, dangerously large breaking waves of 30 to 35 feet, including breakers up to 40 feet at favored spots such as Mavericks. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...For the High Surf Advisory, until 4 PM PST this afternoon. For the High Surf Warning, from 4 PM this afternoon to
High Surf Advisory issued December 20 at 2:27AM PST until December 22 at 4:00PM PST by NWS San Francisco CA
* WHAT...Expect large westerly swell with breaking waves 15 to 18 feet, including breakers near 20 feet possible along favored west facing beaches. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...From 6 AM Saturday to 4 PM PST Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Large waves can sweep across the beach without warning, pulling people into the sea from rocks, jetties and beaches. Sudden immersion in cold water can result in cold water shock even
Hydrologic Outlook issued December 19 at 8:53PM PST by NWS San Francisco CA
ESFMTR AN ACTIVE STORM TRACK ACROSS NORTHERN CALIFORNIA WILL BRING MODERATE RAINFALL AND AN INCREASED POTENTIAL FOR RAPID RIVER RISES ON NORTH BAY CREEKS AND STREAMS * WHATThe storm door is wide open with a very active storm track forecast to impact Northern California. Wet and unsettled weather will bring periods of light to moderate rainfall to the region with the biggest impact expected over the North Bay. The first couple of storms that are forecast to move across the North Bay Saturday and again on Sunday, will likely prime the soils resulting in quicker and more noteworthy rises of
High Surf Advisory issued December 19 at 5:43PM PST until December 22 at 4:00PM PST by NWS San Francisco CA
* WHAT...A moderate to long period west to northwest swell will result in an increasing risk of sneaker waves and rip currents. Sneaker waves breaking between 10 and 13 feet. For the High Surf Advisory, expect large west swell with breaking waves 15 to 18 feet, including breakers near 20 feet are possible. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...From 6 AM Saturday to 4 PM PST Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion.
Beach Hazards Statement issued December 19 at 5:43PM PST until December 19 at 6:00PM PST by NWS San Francisco CA
* WHAT...A moderate to long period west to northwest swell will result in an increasing risk of sneaker waves and rip currents. Sneaker waves breaking between 10 and 13 feet. For the High Surf Advisory, expect large west swell with breaking waves 15 to 18 feet, including breakers near 20 feet are possible. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...From 6 AM Saturday to 4 PM PST Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion.
Beach Hazards Statement issued December 18 at 10:59PM PST until December 19 at 6:00PM PST by NWS San Francisco CA
* WHAT...A moderate to long period west to northwest swell will result in an increasing risk of sneaker waves and rip currents. Sneaker waves are likely to break between 10 to 13 feet. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...Through Thursday afternoon. * IMPACTS...Sneaker waves can sweep across the beach without warning, pulling people into the sea from rocks, jetties, and beaches. Sudden immersion in cold water can result in cold water shock even for the most experienced
Dense Fog Advisory issued December 19 at 5:37AM PST until December 19 at 12:00PM PST by NWS San Francisco CA
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Santa Clara Valley, San Francisco, North Bay Interior Valleys, San Francisco Bay Shoreline, and East Bay Interior Valleys. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 18 at 7:39AM PST until December 18 at 11:00AM PST by NWS San Francisco CA
The National Weather Service in San Francisco has issued a Dense Fog Advisory, which is in effect until 11 AM PST this morning. * VISIBILITY...Less than 1/2 mile in fog to less than 1/4 mile in locally dense fog.
Dense Fog Advisory issued December 18 at 7:27AM PST until December 18 at 11:00AM PST by NWS San Francisco CA
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Marin Hills, Western Sonoma County Hills, The Santa Clara Valley, San Francisco, Coastal North Bay Including Point Reyes National Seashore, North Bay Interior Valleys, San Francisco Bay Shoreline, and East Bay Interior Valleys. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.