US weather service warns of 25-30 foot waves on Bay Area coast
The gist
The National Weather Service issued a high surf warning for Bay Area shorelines from Friday evening to Sunday.
Waves of 25 to 30 feet raise flooding and drowning risk.
How it unfolded
- Nov 10, 2026A winter storm watch was issued at 10:37 a.m. for the Greater Lake Tahoe Area, valid Friday 10 a.m. to Saturday 10 a.m.
- Nov 11, 2026NWS San Francisco issued a high surf warning at 12:14 a.m., valid from Friday 6 p.m. until Sunday Nov. 15 at 4 a.m., for Bay Area and Monterey Bay shorelines.
- Nov 11, 2026The NWS forecast dangerously large breaking waves of 25 to 30 feet, with high tides running 1.3 to 1.5 feet above normal through Friday.
Key terms
- high surf warning
- A National Weather Service alert issued when large breaking waves are expected to create hazardous surf conditions along the coast.
- winter storm watch
- A U.S. National Weather Service alert issued when heavy snow or significant ice is possible at least 24 hours before a potentially hazardous storm.
Source: Wikipedia