Point Pinos to Point Piedras Blancas out 10 NM Marine Forecast
| Today...Nw Winds 15 To 25 Knots With Gusts Up To 40 Knots. Wind Waves 9 To 11 Ft. Nw Swell 2 To 3 Ft At 11 Seconds. |
| Tonight...Nw Winds 15 To 25 Knots With Gusts Up To 35 Knots. Wind Waves 7 To 9 Ft. Nw Swell 2 To 4 Ft At 10 Seconds. Showers Likely. |
| Sat...Nw Winds 15 To 25 Knots With Gusts Up To 30 Knots. Wind Waves 6 To 7 Ft. Nw Swell 2 To 3 Ft At 10 Seconds. Showers Likely. |
| Sat Night...Nw Winds 15 To 25 Knots With Gusts Up To 30 Knots. Wind Waves 2 To 3 Ft. Nw Swell 4 To 6 Ft At 10 Seconds. |
| Sun...Nw Winds 5 To 10 Knots. Wind Waves 1 To 2 Ft. Nw Swell 5 To 7 Ft At 10 Seconds And S Up To 2 Ft At 13 Seconds. Patchy Dense Fog. |
| Sun Night...N Winds 5 To 10 Knots. Wind Waves Around 2 Ft. Nw Swell 3 To 5 Ft At 10 Seconds And S Around 2 Ft At 13 Seconds. |
| Mon...Nw Winds 5 To 10 Knots. Wind Waves 2 To 3 Ft. Nw Swell 4 To 6 Ft And S Around 2 Ft. |
| Tue...Nw Winds 5 To 10 Knots. Wind Waves Around 2 Ft. Nw Swell 4 To 6 Ft And S Around 2 Ft. |
| Area Forecast Discussion National Weather Service San Francisco CA 221am PDT Fri September 29 2023 ...New SYNOPSIS, SHORT TERM, LONG TER Marine Synopsis Issued at 204am PDT Fri September 29 2023 Upper will dig south into California today, which will bring breezy to locally gusty onshore flow and cloudy conditions. Rain showers associated with this system is expected to move through Saturday morning, developing over the waters then moving inland mostly south of the Bay Area. Rain chances diminish by Saturday afternoon. Period of dry, northerly winds possible Sunday across the interior. Warming trend is expected through the end of next week. .SHORT TERM... (Today and tonight) Issued at 204am PDT Fri September 29 2023 Stronger 925 mb and 850 mb northerly winds are keeping the area mostly dry and free of low clouds, per night fog satellite, with the exception of some low clouds developing over the Monterey Bay. The big story for today is the upper low dropping down and digging into CA. As the low moves in this afternoon, expect increasing cloudiness and onshore winds. Wind gusts of 20 to 30 mph will be widespread this afternoon as associated cold front approaches the Bay Area. Strongest gusts of 40 mph are possible across higher elevations as well as favored coastal gaps and mountain passes. Light rain may start as early as tonight, but most rain is expected to fall Saturday morning. Long Term (Saturday through Thursday) Issued at 204am PDT Fri September 29 2023 Showers are expected to move through early Saturday morning developing mostly south of the Golden Gate. Forecasted rainfall amounts have been trending lower, but 40-70% Probability of Precipitation from the SF Peninsula southward persist. Forecast now calls for 0.10"-0.25" for the Santa Cruz Mtns, Diablo Range, and Santa Lucias. Lower elevations of the Bay Area will most likely see a few hundredths of an inch while the Central Coast will get closer to 0.10". North Bay likely won't see much rain from this initial push, but may get some light precipitation on the backside of the surface low Sat afternoon. While the chance was already small, it's looking less likely for thunderstorms now across the southern Monterey/San Benito counties. NBM has reduced the chance of thunder to a 5-10% chance. Forecast CAM soundings for the southern cwa are not looking overly impressive either, with shallow MUCAPE ~100-150 J/kg on Saturday morning. However, still can't rule out a rumble of thunder or two or a cell that has higher rain rates. Rain chances across the Central Coast diminish by Sat afternoon, but some lingering post- frontal showers possible. Upper low will move east into the Great Basin Sun-Mon, which will prompt strong ridge from the E Pacific to nudge in. During this transitionary period, breezy northerly winds will set up across the Sac Valley and interior portions of our area (E Napa Co, East Bay Hills, Diablo Range) Sunday morning-afternoon. Lingering northerly winds are also possible Monday, but strongest N winds expected Sun. Models continue to get a handle on how much moisture/qpf we will get, so lower confidence in regards to fire weather risk for now. High pressure will continue to build next week, becoming the dominant synoptic feature over much of the western US. This pattern change which will prompt a warming trend through the end of the week with widespread onshore flow and a more robust marine layer will redeveloping. Marine (Today through Wednesday) Issued at 857pm PDT Fri September 29 2023 Gale-force northwesterly winds ease through the night slowly, becoming fresh into late Friday morning, to the early afternoon. Northwest swell continues to diminish, though large wind waves continue to build as a result of gales and persist through the weekend. Both winds and waves will combine to create hazardous conditions for small craft through the remainder of the week. Chances of rain approach towards Saturday evening with the arrival of a new low pressure system. NOAA San Francisco Bay Area Office: Watches - Warnings - Advisories CA...None. PZ...Small Craft Advisory from 9am this morning to 3am PDT Saturday for PZZ530. Small Craft Advisory from 9am this morning to 9pm PDT this evening for PZZ535. Gale Warning until 3am PDT early this morning for PZZ540-570- 575. Small Craft Advisory until 9am PDT this morning for PZZ545-560. Gale Warning until 9pm PDT this evening for PZZ565. Small Craft Advisory from 9pm this evening to 3pm PDT Saturday for PZZ570. Gale Watch from Saturday afternoon through late Saturday night for PZZ570. Small Craft Advisory until 9am PDT this morning for PZZ575. Small Craft Advisory from 3am Saturday to 3am PDT Sunday for PZZ575. |
Vandenberg AFB Radar
Pacific Southwest Radar