Point Pinos to Point Piedras Blancas out 10-60 NM Marine Forecast
| Tonight...N Wind 10 To 15 Kt, Easing To 5 To 10 Kt Late. Seas Around 5 Ft. Wave Detail: Nw 4 Ft At 7 Seconds And S 3 Ft At 15 Seconds. |
| Fri...N Wind 5 To 10 Kt. Seas 4 To 5 Ft. Wave Detail: Nw 4 Ft At 7 Seconds And Sw 3 Ft At 15 Seconds. |
| Fri Night...N Wind 5 To 10 Kt. Seas 4 To 5 Ft. Wave Detail: Nw 4 Ft At 7 Seconds And S 3 Ft At 15 Seconds. |
| Sat...N Wind 10 To 15 Kt, Easing To 5 To 10 Kt In The Afternoon. Seas 5 To 6 Ft. Wave Detail: Nw 5 Ft At 7 Seconds And S 3 Ft At 16 Seconds. |
| Sat Night...Nw Wind 10 To 15 Kt. Seas 6 To 8 Ft. Wave Detail: Nw 7 Ft At 8 Seconds And Sw 3 Ft At 16 Seconds. |
| Sun...N Wind 10 To 15 Kt, Becoming Nw 15 To 20 Kt In The Afternoon. Seas 7 To 8 Ft. Wave Detail: Nw 8 Ft At 12 Seconds And S 3 Ft At 17 Seconds. |
| Sun Night...Nw Wind 15 To 20 Kt. Seas Around 8 Ft. Wave Detail: Nw 8 Ft At 12 Seconds And Sw 3 Ft At 16 Seconds. |
| Mon...Nw Wind 15 To 20 Kt. Seas 7 To 8 Ft. Wave Detail: Nw 8 Ft At 12 Seconds And S 3 Ft At 16 Seconds. |
| Mon Night...Nw Wind 15 To 20 Kt. Seas Around 7 Ft. Wave Detail: Nw 7 Ft At 12 Seconds And S 3 Ft At 17 Seconds. A Chance Of Rain In The Evening, Then Rain Likely After Midnight. |
| Tue...Nw Wind 10 To 15 Kt. Seas 7 To 9 Ft, Building To 10 To 12 Ft In The Afternoon. Wave Detail: Nw 11 Ft At 14 Seconds And S 3 Ft At 15 Seconds. Rain Likely. |
| Tue Night...Nw Wind 10 To 15 Kt. Seas 10 To 12 Ft. Wave Detail: Nw 11 Ft At 13 Seconds And S 3 Ft At 15 Seconds. A Chance Of Rain. |
| Area Forecast Discussion National Weather Service San Francisco CA 136pm PDT Thu Oct 15 2026 ...New SHORT TERM, LONG TERM,Fire Weather .KEY MESSAGES... Updated at 1149pm PDT Wednesday Oct 14 2026 - Above normal temperatures continue into the weekend before a cooling trend begins Sunday into next week - Near critical fire weather conditions due to moderate flow and very dry conditions across the higher elevations Thursday and Friday - Potential for light rain and breezy onshore winds early to mid next week .SHORT TERM... Issued at 132pm PDT Thu Oct 15 2026 (This evening through Friday night) Another warm and sunny day across our area with offshore flow providing above normal temperatures and abundant sunshine. With an upper level ridge over NorCal and upper level low over SoCal, we're seeing a common setup for a relatively weak Diablo wind event through the North Bay interior mountains, which has resulted in a Red Flag Warning issued for 10p tonight through 11am Friday for that area. The highest peaks around Mt St Helena have already seen gusts between 50-60 mph and we expect that to continue until winds at lower altitude begin to increase later tonight through late morning Friday. It hasn't rained in that part of the North Bay since September 4th, so conditions and fuels are very dry (see the Long Term discussion below for how that may change next week). Elevated fire weather concerns extend beyond the Red Flag Warning so we continue to message to abstain from any activities that could ignite a wildfire. The offshore flow continues to work against marine layer development with some of our coastal locations like Half Moon Bay and Monterey already in the low 80s and representing some of our highest temperatures of the day so far. The offshore flow will continue tonight providing clear skies area wide. Thermal belting above 1000ft over much of our area will result in poor RH recovery and overnight lows well above normal, providing little relief from the heat until at Saturday night. Long Term Issued at 132pm PDT Thu Oct 15 2026 (Saturday through next Wednesday) We expect the Red Flag warming over the North Bay interior mountains to expire at 11am Friday with easing winds as the mitigating factor, temperatures will remain warm with very dry conditions and fuels persisting through Saturday until a notable pattern change sets in on Sunday. An upper level trough to our north will approach the coast over the weekend bringing a return of onshore flow, a subsequent cold front and notably cooler temperature and multiple days through the middle of next week with scattered light rain chances. We're not expecting any one location to see more than a 0.25", and most locations that see some rain will get less than a 0.10" but confidence is increasing that most of our area will see at least a little bit of rainfall, with exact timing still too far out to speak of with any confidence. Marine (Today through Tuesday) Issued at 1047am PDT Thu Oct 15 2026 Moderate seas prevail across the outer waters, while the inner waters experience slight to moderate seas through Friday night. During this time frame, gentle to fresh northerly breezes continue. Moderate to fresh northerly winds return for the weekend, which will be accompanied with rough seas. Fire Weather Issued at 132pm PDT Thu Oct 15 2026 A Red Flag Warning was issued for the North Bay Interior Mountains that goes into effect at 10PM tonight and runs through 11AM Friday morning. This is due to moderate offshore winds very dry with very poor overnight humidity recoveries only reaching 15 to 25 percent. Rapid fire spread is possible given the combination of gusty northerly winds and very dry overnight conditions. Elsewhere in the Bay Area, elevated to near critical fire weather conditions continue for the higher elevations late tonight through Friday morning. Dry conditions, poor overnight RH recovery, combined with the breezy winds, warmer weather, and available fuels leads to the elevated to near critical fire weather conditions. NOAA San Francisco Bay Area Office: Watches - Warnings - Advisories CA...Red Flag Warning from 10pm this evening to 11am PDT Friday for CAZ504. PZ...None. x.com/nwsbayarea |
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