Point Piedras Blancas to Point Sal from 10 to 60 NM Marine Forecast
| Today...Nw Wind 10 To 20 Kt, Becoming 15 To 25 Kt This Afternoon. Seas 4 To 5 Ft. Wave Detail: Nw 5 Ft At 8 Seconds And S 2 Ft At 15 Seconds. A Slight Chance Of Rain. |
| Tonight...Nw Wind 20 To 25 Kt. Seas 6 To 7 Ft, Building To 7 To 9 Ft. Wave Detail: Nw 9 Ft At 11 Seconds And S 2 Ft At 15 Seconds. |
| Tue...Nw Wind 15 To 25 Kt, Becoming 20 To 30 Kt In The Afternoon. Seas 8 To 10 Ft. Wave Detail: Nw 10 Ft At 11 Seconds And Sw 2 Ft At 17 Seconds. |
| Tue Night...Nw Wind 20 To 30 Kt. Seas 10 To 11 Ft. Wave Detail: Nw 10 Ft At 11 Seconds And Sw 2 Ft At 15 Seconds. Patchy Fog After Midnight. |
| Wed...Nw Wind 15 To 25 Kt. Seas 8 To 9 Ft. Wave Detail: Nw 9 Ft At 10 Seconds And Sw 2 Ft At 14 Seconds. Patchy Fog In The Morning. |
| Wed Night...Nw Wind 20 To 30 Kt. Seas 7 To 10 Ft. Wave Detail: Nw 9 Ft At 10 Seconds And Sw 2 Ft At 14 Seconds. Patchy Fog After Midnight. |
| Thu...Nw Wind 15 To 25 Kt. Seas 7 To 9 Ft. Wave Detail: Nw 9 Ft At 9 Seconds And Sw 2 Ft At 13 Seconds. Patchy Fog In The Morning. |
| Thu Night...Nw Wind 10 To 20 Kt. Seas 7 To 8 Ft. Wave Detail: Nw 8 Ft At 9 Seconds And Sw 2 Ft At 14 Seconds. |
| Fri...Nw Wind 10 To 20 Kt. Seas 7 To 8 Ft. Wave Detail: Nw 8 Ft At 9 Seconds And S 2 Ft At 18 Seconds. |
| Fri Night...Nw Wind 15 To 25 Kt, Becoming 20 To 25 Kt After Midnight. Seas 7 To 8 Ft. Wave Detail: Nw 8 Ft At 9 Seconds And S 2 Ft At 17 Seconds. |
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Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 937am PDT Monday May 12 2025 Updated Aviation and Marine Sections Synopsis 12/206 AM. Temperatures today will come crashing down, with gusty coastal and desert winds in the afternoon and evening. Temperatures will drop further Tuesday and drizzle will be possible. Cooler conditions will last through the weekend, with low clouds and fog pushing back into the valleys. Short Term - Today through Wednesday ...12/851 AM. ***UPDATE*** A strong eddy brought low clouds to the coastal slopes in LA County this morning with limited coverage into Ventura County possibly due to offshore trends from the north and downsloping off of the valleys and mountains from the east into Ventura County. The Wind Advisory across southern Santa Barbara County was extended with coastal sections of Ventura and Santa Barbara County added to the advisory for this afternoon to early evening. The Wind Advisory remains in place for the Antelope Valley this afternoon and evening. There is a 20 percent chance that advisory level winds will extend into tonight focused across the northwest Antelope Valley and interior mountains prone to northwest to north winds. A few stray showers may hold together with a weakening front this afternoon, mainly for northwest San Luis Obispo, otherwise we are still on track for drizzle tonight where low clouds form, especially for valleys and foothills of Los Angeles and Ventura Counties. ***From Previous Discussion*** Low clouds are trying to get started and currently are only across southern LA county. There is an eddy, increasing cyclonic flow and increasing onshore so there will likely be an explosion of low clouds towards dawn that will cover most of the csts/vlys of LA/VTA counties. Low clouds will also likely cover western SBA county. There is about a 30 percent chance that there will not be quite as much low cloud coverage as the current forecast. Assuming the low clouds do form they will be slow to clear across the vlys with no clearing likely for the much of the csts as the onshore push to the east is forecast to reach an impressive 9 mb this afternoon. In addition to the low clouds a grip of low clouds will also move over the area so expect a mostly cloudy day. Lowering hgts, low clouds and strong onshore flow will all combine to lower max temps today by 5 to 10 locally 12 degrees across the csts and 10 to 20 degrees over the rest of the area. Today's highs will mostly end up in the 60s across the csts and lower to mid 70s in the vlys or 3 to 6 degrees below normal. The strong onshore push will generate gusty winds in the 25 to 40 mph range across many coastal and interior areas this afternoon and evening. The Antelope Vly and western foothills will likely see gusts of 40 to 50 mph and a wind advisory will be posted with the evening update. A fairly sharp but also quite dry trough will move over the area on Tuesday. The biggest precipitation threat from the trough will be drizzle as it interacts with a deep marine layer but there will be a slight chance of shower over the higher peaks of the LA/VTA mtns. The marine layer will be lifted to over 4000 ft and stratus will likely cover all of the csts/vly and will xtnd deep into the mtns passes. Clear will be slow with many coastal areas remain cloudy through the day. 2 to 4 degrees of additional cooling (4 to 8 locally 12 across the Antelope Vly and the VTA/LA mtns) will bring almost all max temps down into the 60s with just a smattering of readings in the lower 70s. Advisory level gusts are likely again across the western Antelope Vly. Much less to talk about for Wednesday. Morning marine layer clouds will cover much of the csts/vlys, but offshore trends will allow for much faster and better clearing. More sunshine, rising hgts and weaker onshore flow will all mix together to bring 3 to 6 degrees of warming to most areas. Max temps, however, will still come in 2 to 5 degrees below normal. Long Term - Thursday through Sunday 12/314 AM. Broad pos tilt trough.ing will be over the area Thursday and Friday. There will be moderate onshore flow at the sfc. May Grey will continue with night though morning low clouds, but there should be good clearing for most of the area (a few west facing beaches may stay cloudy). The csts/vlys will not see too much temperature change and will remain 2 to 4 degree below normal. There will be better warming across the mtns and far interior Thursday and little change on Fri. An upper low is forecast to move into the far northern portion of the state Sat and then down into Srn CA on Sun. Look for strong onshore flow to develop with gusty winds across much of the area. There may be enough cold advection and mixing to disrupt the marine layer on Sunday. Marine 12/933 AM. Steep seas with widespread winds of 25-35 knots will be building through Tuesday, with generally hazardous conditions for most vessels each afternoon and evening. Current Small Craft Advisories and Gale Warnings look good. While some areas will see some lulls, steep seas will linger. Moderate confidence in forecast for the next 3 days...winds plus or minus 5 knots and seas plus or minus 3 feet. Gale Watch issued for waters south of Point Sal for Tuesday, including the Santa Barbara Channel (west and east portions). 70% chance of a lower-end Gale Warning needed, which will be decided on either this afternoon or tonight. High confidence in improving winds and seas (heigheights remain elevated but periods lengthen) Wednesday through Friday. NOAA Los Angeles/Oxnard CA Office: Watches - Warnings - Advisories CA...Wind Advisory now in effect until 9am PDT Tuesday for zones 349-351-352. Wind Advisory in effect from 2pm this afternoon to 9pm PDT this evening for zones 350-354. Wind Advisory remains in effect until 9pm PDT this evening for zones 381>383. PZ...Small Craft Advisory in effect until 3am PDT Wednesday for zones 645-655-670. Small Craft Advisory in effect until 3pm PDT this afternoon for zone 650. Gale Warning in effect from 3pm this afternoon to 3am PDT Tuesday for zone 650. Gale Watch in effect from Tuesday afternoon through Tuesday evening for zones 650-673-676. Small Craft Advisory in effect until 2pm PDT Tuesday for zones 673-676. |
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