Pigeon Point to Point Pinos CA out 10 NM Marine Forecast
| Tonight...N Wind 10 To 15 Kt, Easing To 5 To 10 Kt Late This Evening And Overnight. Seas 5 To 7 Ft. Wave Detail: W 7 Ft At 15 Seconds. |
| Fri...N Wind 5 To 10 Kt, Backing To Nw In The Afternoon. Seas 4 To 6 Ft. Wave Detail: Sw 2 Ft At 13 Seconds And W 6 Ft At 15 Seconds. |
| Fri Night...Se Wind Around 5 Kt. Seas 4 To 5 Ft. Wave Detail: Sw 2 Ft At 8 Seconds And W 5 Ft At 14 Seconds. |
| Sat...S Wind Around 5 Kt. Seas 3 To 4 Ft. Wave Detail: W 4 Ft At 12 Seconds. |
| Sat Night...Se Wind Around 5 Kt. Seas Around 3 Ft. Wave Detail: W 3 Ft At 12 Seconds. |
| Sun...S Wind Around 5 Kt, Veering To W Around 5 Kt In The Afternoon. Seas Around 3 Ft. Wave Detail: W 3 Ft At 12 Seconds. Patchy Fog In The Morning. |
| Sun Night...N Wind Around 5 Kt. Seas Around 3 Ft. Wave Detail: W 3 Ft At 11 Seconds. |
| Mon...N Wind 5 To 10 Kt. Seas Around 3 Ft. Wave Detail: W 3 Ft At 10 Seconds. |
| Mon Night...N Wind 5 To 10 Kt. Seas 3 To 5 Ft. Wave Detail: W 4 Ft At 11 Seconds And Sw 2 Ft At 13 Seconds. |
| Tue...Nw Wind 5 To 10 Kt. Seas 5 To 7 Ft. Wave Detail: Sw 3 Ft At 11 Seconds And W 6 Ft At 13 Seconds. A Chance Of Rain. |
| Tue Night...Nw Wind 5 To 10 Kt. Seas 5 To 7 Ft. Wave Detail: W 6 Ft At 12 Seconds And S 2 Ft At 13 Seconds. A Chance Of Rain. |
| Area Forecast Discussion National Weather Service San Francisco CA 1221am PST Fri Dec 12 2025 ...New SHORT TERM, LONG TERM,Beaches .KEY MESSAGES... Updated at 1214am PST Fri Dec 12 2025 - Hazardous beach conditions today - Tule fog and stratus continue for the North and East Bay - Wetter pattern expected next week .SHORT TERM... Issued at 1214am PST Fri Dec 12 2025 (Today and tonight) The same general pattern persists dominated by a slow moving ridge, light offshore flow, and persistent stratus and fog focused on the North and East Bay valleys. The strong temperature inversion and offshore winds are creating adiabatically warmed winds along the coast and nice beach weather. Sunny Half Moon Bay reached 72 degrees today and spent roughly 7 hours in the 70s. Meanwhile, thick fog continued to impact the San Pablo Bay region, and San Rafael only made it to 48 degrees. It's not often that Half Moon Bay is 24 degrees warmer than San Rafael, outside of the last few days anyway. I hate to say it again, but Friday will be more of the same. The stratus looks like it will be slightly less expansive and the South Bay will be the biggest benefactor of this change. We're continuing to add a persistence nudge to the forecast to help capture the wide range of max temperatures we've seen across the region recently. Long Term Issued at 1214am PST Fri Dec 12 2025 (Saturday through Thursday) The long range trend is a gradual shift away from this prolonged dry period to a more active, wetter pattern. The end is finally in sight for this ridiculously resilient ridge we've been dealing with since December 4th. The ridge axis will finally slide to our East on Saturday. We'll still likely have the Tule fog impacts through the weekend, but the pattern shift will be felt with slightly cooler temperatures in the sunny areas. The change will be subtle though as we remain in backside of the ridge through Monday. The 500 mb flow becomes zonal in the middle of the week. This new pattern, combined with a plume of 1.2"+ PW should bring some light rain from Tue-Wed, focused on the North Bay. The more active zonal pattern will transition to a low-amplitude ridge Thursday- Friday, although some light rain is still possible with lingering high PW. The most interesting part of the forecast is the following weekend. It's looking more and more likely that a deep trough and associated high moisture plume will bring an Atmospheric River to the Bay Area. The Climate Prediction Center now has a moderate risk of both heavy precipitation and high winds across the Bay Area and Central Coast from 12/19-12/22. December is typically the wettest month for San Francisco, where the normal monthly rainfall for is 4.76". While we haven't had any rain since 11/20, the upcoming sequence will start to chip away at this deficit and there is more rain possible the following week. Long range ensembles show about a 25% chance of getting 3+" between now and the 26th. Marine (Tonight through next Wednesday) Issued at 912pm PST Thu Dec 11 2025 Northerly winds over the coastal waters will continue tonight into early Friday then becoming light and variable with a gradually diminishing northwest swell through the day Friday. Light offshore flow will persist from the Delta to the San Francisco Bay and through the Golden Gate on Friday. Swells continue to gradually diminish through the weekend. Beaches Issued at 1214am PST Fri Dec 12 2025 Long period NW swell is causing hazardous beach conditions Friday. This energy brings strong rip currents, an increased risk for sneaker waves, and large breaking waves. This coincides with nice warm weather, which will likely lure more people to the beach under a false sense of security. A Beach Hazard Statement is in effect through Friday evening. Respect the power of the ocean and never turn your back on it. NOAA San Francisco Bay Area Office: Watches - Warnings - Advisories CA...Beach Hazards Statement through this evening for CAZ006-505-509- 529-530. PZ...None. x.com/nwsbayarea |
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