Issued at 457 AM PST Thu Feb 26 2026
Quick update on the fog: a Dense Fog Advisory was issued for the Salinas Valley due to observations of dense fog at Salinas and King City. This Dense Fog Advisory is out through 11 AM this morning. We have also seen dense fog observed at Oakland and Livermore. We are monitoring nearby observations and will issue additional Dense Fog Advisories if additional observations of fog start to come in.
DialH
, Issued at 1252 AM PST Thu Feb 26 2026 (Today and tonight)
Mid- to high level cloud cover streams over the Bay Area and Central Coast, below which low stratus and fog is developing in the wake of the widespread light rainfall from the last couple of days. A Dense Fog Advisory has been issued for the North Bay interior valleys now through 11 AM due to reported visibilities below a quarter of a mile in the Sonoma and Napa County valleys. Will monitor observations closely during the night, with the possibility that the Dense Fog Advisory will need to be extended depending on how the stratus layer evolves overnight. The stratus is expected to clear late in the morning, although the high clouds will stick around to an extent, with the rest of the day rather warm for this time of year, with high temperatures ranging from the lower to middle 60s in the Bay Area Pacific Coast, to the upper 60s to lower 70s in the SF Bayshore, the Bay Area interior valleys, and the Monterey Bay region, and up to the middle to upper 70s in the southern Salinas Valley. Light winds overnight will build into a gentle onshore breeze this afternoon.
..issued at 1252 AM PST Thu Feb 26 2026 (Friday through Wednesday)
Dry and warm conditions continue through the next few days with the warmest conditions expected on Friday, when highs range from the middle to upper 60s in the Bay Area Pacific coast to the middle to upper 70s in the interior valleys, even reaching the lower 80s in the interior Salinas Valley, Carmel Valley and possibly other warm spots in the Central Coast as well. A slight cooling will begin on Saturday as a cut-off low approaches, but temperatures are expected to remain above seasonal averages.
The approach of a cut off low on Sunday and Monday will interrupt this warming trend, with the low center expected to pass to the north near Cape Mendocino and the northern tier of the state. Light showers remain possible, but meaningful rain still remains elusive. The NBM continues to limit probabilities of 0.25" rainfall totals along the coastal ranges to around 10-20% for 24-hour periods ending on Monday 4 PM, and the 95th percentile rainfall total (where there is only a 5% chance of getting more than the stated amount) for the same period has dropped to below half an inch across the coastal ranges.
By Tuesday next week, shortwave ridging should bring a gentle warming and drying trend back. At and just beyond the end of the 7- day outlook, ensemble model cluster analysis shows the possibility of a weak trough coming through the West Coast, but the impacts are still uncertain. However, said cluster analysis suggests that as with the cut-off low this upcoming Sunday, major impacts are unlikely.
(12z TAFS) Issued at 328 AM PST Thu Feb 26 2026
Currently a mixed bag of LIFR-VFR at the terminals. Patchy dense fog has been observed in the North Bay, San Francisco Peninsula Coast, and Central Coast. Moderate confidence that it won't impact other locations. Light and diurnal winds will prevail. Warmer and drier conditions today will help limit fog/stratus potential tonight.
Vicinity of SFO, Currently VFR and calm at the terminal. Moderate confidence that VFR will prevail through the TAF period. Winds will be light and diurnal.
SFO Bridge Approach, Similar to SFO.
Monterey Bay Terminals, Currently VFR and calm at MRY and LIFR and calm at SNS. Even if dense fog doesn't spread into MRY, there is dense fog within the region. VFR will prevail by this afternoon. Light and diurnal winds will prevail.
(today through Tuesday) Issued at 328 AM PST Thu Feb 26 2026
Moderate northerly breezes and moderate seas will prevail. Dry conditions are expected through tomorrow with light drizzle/rain showers possible this weekend, especially for the northernmost waters.
Ca, Dense Fog Advisory until 11 AM PST this morning for CAZ506-516- 528.
PZ, None.
