Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >
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070 FXUS66 KMTR 260820 AFDMTR Area Forecast Discussion National Weather Service San Francisco CA 120 AM PDT Fri Jun 26 2026 ...New SHORT TERM, LONG TERM, BEACHES... .KEY MESSAGES... Updated at 110 AM PDT Fri Jun 26 2026 - Gusty onshore winds today and Saturday with east-west mountain passes as high as 50+ mph and marine impacts through the weekend - An upper trough brings cooler temperatures, moisture, and a deeper marine layer with AM drizzle this morning and Saturday - Beach hazards return Saturday morning through Wednesday morning for south and southwest facing beaches along the Pacific Coast && .SHORT TERM... Issued at 110 AM PDT Fri Jun 26 2026 (Tonight through Saturday) Marine layer has begun to move inland for many coastal cities. It will persist through the night into the day today with most of the area partly to mostly cloudy. The marine layer is deepening closer to 2000-2500 ft, significant enough for patchy drizzle this morning along the Pacific Coast. High clouds will continue to move into the area of the the trough. High pressure that brought above normal temperatures to the area has been replaced by a deepening trough from the Pacific Northwest. Elevated winds observed yesterday strengthen today as the gradient continues to tighten and the front moves through the area. East- west passes could see gusts up to 50+ mph with many other locations gusting up to 25-35 mph. Following the passage of the front, temperatures cooldown significantly falling 4-10 degrees compared to yesterday for most locations outside of the immediate coast. Low clouds will likely struggle to clear out this afternoon with decent moisture in the lower levels and high clouds will move in from north to south. Additional cooling is expected for Saturday with an even deeper marine layer ushering in widespread coastal drizzle and pockets of light rain starting as early as late Friday night/ early Saturday morning. Saturday should be the coolest day of the forecast with clouds struggling to mix out in the afternoon and a slower trend to the movement of the low. While it meanders along the borders of CA/NV/OR, highs on Saturday should only reach the 50s and 60s for most spots, with low to mid 70s for interior areas, generally 10-15 degrees below normal. The winds will increase not just for inland spots, but also for the coastal waters. More information can be found in the marine section below. && .LONG TERM... Issued at 110 AM PDT Fri Jun 26 2026 (Saturday night through next Thursday) The pattern begins to shift Sunday as the aforementioned low weakens and starts to move up into Idaho and Montana and heights slowly increase. With this, the marine layer will begin to compress a bit each day into early next week, and temperatures will slowly warm back towards normal. General model trends are pushing temperatures higher for next week, but ensemble guidance continues to favor weak troughing prevailing which would keep us a bit cooler. Should the latter prevail, the coastal waters may continue to be impacted by gusty northwest winds through much of the week, with marine hazards potentially prevailing. The concern for hazardous beach conditions return for Pacific Coast beaches this weekend as long period southerly swells return. More information below in Beaches, but remember to never turn your back to the ocean! && .AVIATION... (06Z TAFS) Issued at 910 PM PDT Thu Jun 25 2026 Stratus will continue to fill in across coastal and adjacent valley areas through the night. Mainly MVFR, locally IFR, conditions expected. Elevated onshore winds prevailing through the night 15-25 kts at most terminals. Confidence increasing in BKN cigs remaining into Friday afternoon for some coastal TAF sates, including MRY and SFO, and potentially OAK. Similar bases Friday night with increased chance for -DZ closer to the coast. Vicinity of SFO...MVFR conditions prevailing. High confidence in winds gusting 15-25 kt through the night into early Friday afternoon (20-21z). Confidence increasing in MVFR conditions prevailing through Friday and night, including a chance of -DZ after 06z Sat. SFO Bridge Approach...Same general wind pattern as SFO, though moderate winds remain more NW-W with gusts up to 25kt. Similar cloud pattern to SFO with increased chance of prevailing MVFR ceilings into the afternoon and evening on Friday. Vicinity of OAK and SJC...Moderate winds (10-15 kt) remaining from the west at OAK and NW at SJC, maintaining through the night at OAK. MVFR ceilings at OAK...lower confidence in cigs reaching SJC, most likely 12-18z Friday. Higher confidence of clearing at SJC late Friday morning; confidence increasing OAK stays MVFR through Friday afternoon. Monterey Bay Terminals...MVFR/IFR prevailing through the period. Ceilings will remain on the borderline of low end MVFR to high end IFR and may jump between the two throughout the night. Moderate confidence in scatter out at SNS; increasing confidence on MVFR cigs remaining through Friday afternoon at MRY. Chance for -DZ late Friday night. && .MARINE... (Today through Wednesday) Issued at 107 AM PDT Fri Jun 26 2026 Fresh to strong breezes and rough seas will continue to develop tonight and persist through the weekend. These strong winds and rough seas will result in hazardous conditions for small craft across most of the coastal waters at times through at least the first half of next week. There is moderate confidence in at least occasional gales developing across mainly the exposed coastal waters over the weekend. Long period southwest swell will persist through the extended forecast. && .BEACHES... Issued at 110 AM PDT Fri Jun 26 2026 A Beach Hazards Statement has been issued for the Pacific Coast Beaches from Saturday morning through Wednesday morning as long period southerly swell returns to the coast, creating an increased risk of sneaker waves and strong rip currents, especially for south and southwest facing beaches. Hazardous beach conditions are advertised, specifically for moderate to steeply sloped beaches along the Pacific Coast of the North Bay, San Mateo, Santa Cruz counties. Sneaker waves will run up the beach much farther than other waves, potentially catching beachgoers by surprise and resulting in people being swept into the water. Rip currents are strong enough to pull the strongest swimmers away from shore. Swim near a lifeguard if possible. Stay back from the beach, and away from jetties, piers, beachside rocks, and other infrastructure near the water. Never turn your back to the ocean! && .MTR WATCHES/WARNINGS/ADVISORIES... CA...Beach Hazards Statement from late tonight through late Tuesday night for CAZ006-505-509-529-530. PZ...Small Craft Advisory until 3 AM PDT Sunday for SF Bay N of Bay Bridge. Small Craft Advisory from 9 AM this morning to 3 AM PDT Saturday for Mry Bay. Small Craft Advisory from 9 AM Saturday to 3 AM PDT Sunday for Mry Bay-Pigeon Pt to Pt Pinos 0-10 nm-Pt Arena to Pt Reyes 10-60 NM-Pt Reyes to Pigeon Pt 0-10 nm. Small Craft Advisory until 3 PM PDT Saturday for Pt Arena to Pt Reyes 0-10 nm. Gale Warning from 3 PM Saturday to 3 AM PDT Sunday for Pt Arena to Pt Reyes 0-10 nm. Small Craft Advisory until 9 PM PDT this evening for Pt Reyes to Pigeon Pt 0-10 nm. Small Craft Advisory from 9 AM this morning to 9 PM PDT this evening for Pigeon Pt to Pt Pinos 0-10 nm. Small Craft Advisory until 9 PM PDT Saturday for Pt Pinos to Pt Piedras Blancas 0-10 nm. Gale Watch from Saturday evening through late Saturday night for Pt Pinos to Pt Piedras Blancas 0-10 nm. Small Craft Advisory until 9 AM PDT this morning for Pigeon Pt to Pt Pinos 10-60 NM-Pt Arena to Pt Reyes 10-60 NM. Small Craft Advisory from 3 PM Saturday to 3 AM PDT Sunday for Pigeon Pt to Pt Pinos 10-60 NM. && $$ SHORT TERM...Malarkey LONG TERM....Malarkey AVIATION...APR MARINE...Canepa BEACHES...DialH Visit us at www.weather.gov/sanfrancisco Follow us on Facebook, X, and YouTube at: www.facebook.com/nwsbayarea x.com/nwsbayarea www.youtube.com/nwsbayarea |
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