Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands Marine Forecast
| Today...Nw Wind 5 To 10 Kt, Becoming W 10 To 15 Kt This Afternoon. Seas 3 To 4 Ft. Wave Detail: W 2 Ft At 5 Seconds, Se 3 Ft At 13 Seconds And Nw 3 Ft At 13 Seconds. |
| Tonight...Nw Wind 10 To 20 Kt. Gusts To 25 Kt After Midnight. Seas 3 To 5 Ft. Wave Detail: Nw 4 Ft At 6 Seconds And Se 2 Ft At 13 Seconds. Patchy Fog After Midnight. |
| Fri...Nw Wind 20 To 30 Kt. Seas 5 To 7 Ft. Wave Detail: Nw 6 Ft At 7 Seconds And Se 2 Ft At 13 Seconds. A Slight Chance Of Tstms In The Morning, Then A Slight Chance Of Showers In The Afternoon. |
| Fri Night...Nw Wind 20 To 30 Kt, Becoming 25 To 35 Kt After Midnight. Seas 6 To 9 Ft. Wave Detail: Nw 8 Ft At 7 Seconds And S 2 Ft At 12 Seconds. |
| Sat...Nw Wind 25 To 35 Kt, Becoming 30 To 40 Kt In The Afternoon. Seas 7 To 10 Ft. Wave Detail: Nw 10 Ft At 8 Seconds And Se 2 Ft At 12 Seconds. |
| Sat Night...Nw Wind 30 To 40 Kt, Becoming 25 To 35 Kt After Midnight. Seas 9 To 11 Ft, Subsiding To 7 To 10 Ft. Wave Detail: Nw 10 Ft At 9 Seconds And S 2 Ft At 13 Seconds. |
| Sun...Nw Wind 20 To 30 Kt. Seas 6 To 9 Ft. Wave Detail: Nw 8 Ft At 9 Seconds, W 4 Ft At 9 Seconds And S 2 Ft At 14 Seconds. |
| Sun Night...Nw Wind 20 To 30 Kt. Seas 6 To 8 Ft, Building To 7 To 10 Ft. Wave Detail: Nw 9 Ft At 9 Seconds And S 2 Ft At 15 Seconds. |
| Mon...Nw Wind 20 To 30 Kt. Seas 7 To 10 Ft, Subsiding To 6 To 8 Ft. Wave Detail: Nw 9 Ft At 9 Seconds And S 2 Ft At 15 Seconds. |
| Mon Night...Nw Wind 20 To 30 Kt, Becoming 15 To 25 Kt After Midnight. Seas 6 To 8 Ft. Wave Detail: Nw 7 Ft At 9 Seconds And S 2 Ft At 14 Seconds. Winds And Seas Higher In And Near Tstms. |
| Area Forecast Discussion ...UPDATED National Weather Service Los Angeles/Oxnard CA 1117am PDT Thu Oct 9 2025 Synopsis 09/317 AM. Tropical Cyclone Priscilla may send showers and thunderstorms into Los Angeles County today into early Friday, along with elevated humidity. Dry and seasonable weather is expected over the weekend, followed by chances of rain early next week as a storm system drops into the region. Short Term - Today through Saturday 09/843 AM. ***UPDATE*** High clouds associated with Priscilla's moisture are streaming above southern and eastern LA County this morning, however, all shower and thunderstorm activity is to the south and east across eastern San Diego, Riverside, and San Bernardino counties. LA County is still on the periphery of the outer bands of mositure through Friday. Most recent CAMs are trending shower and thunderstorm starts slightly later, with most activity starting in the early afternoon. Shower and thunderstorm potential still exists into Friday evening, but this afternoon through this evening is still on track to have the highest chances. The lack of marine layer coverage, especially south of Point Conception, has allowed most coastal and and coastal valley temperatures to cool this morning compared to yesterday, however, expect a rapid warm up this morning with highs around 3 to 5 degrees warmer than yesterday. Overnight lows will warm a few degrees in most areas from Santa Barbara City south as that subtropical mositure works its way into the region. ***From Previous Discussion*** Mositure from Tropical Cyclone Priscilla will reach the region today, resulting in elevated humidity and a chance of showers and thunderstorms focused across Los Angeles County, today into early Friday. The majority of weather activity over the Continental US due to Priscilla will be the the south and east of the region, as LA County is on the far western periphery of impacts. Showers and thunderstorms will become possible late this morning, focused over the eastern portion of LA County and the coastal waters off the coast of Orange County. Limited and elevated moisture initially, will make measurable rain difficult early today, and thus the greatest risk may be dry lighting and fire starts. This afternoon and evening, chances of showers and thunderstorms will increase, focused over the eastern San Gabriel Mountains. Tonight into early Friday, there is a slight chance of shower and thunderstorms across the majority of LA County and skimming the Ventura County line. Rainfall totals are expected to generally be light if any (under 0.25 inches), with just a remote risk (< 5% chance) of any flash flooding or burn scar debris flows. The highest totals and risk of flooding will be for the eastern San Gabriel mountains, due to the higher elevation, thus anyone near the Bridge scar is advised to pay close attention to weather conditions. Overall however, most locations across LA County will see little to no rain through Friday. For Ventura, Santa Barbara, and San Luis Obispo Counties, mostly benign weather is expected, with minimal marine layer stratus and temperature near or below normal. This weekend, cloud coverage may trend upwards, especially during the overnight to morning hours. Additionally, gusty north-northwest winds are expected along Central Coast, Southwest Santa Barbara County, the I-5 corridor, and the Antelope Valley, late Friday through Saturday night, with Wind Advisories possible on Saturday. Long Term - Sunday through Wednesday 09/315 AM. A low pressure storm system will drop down from western Canada and slide down just off the California coastline on Monday, then cutting across the state late Tuesday. The exact trajectory of the low will determine the rainfall totals. Some ensemble members favor a more westward trajectory of the low over the coastal waters, which would allow for greater moisture in the storm system and higher rainfall totals over the SoCal region. Confidence in some amount of rainfall with this storm is trending upwards with the latest model runs. There is now around a 70-80% chance of seeing rain across the entire region, however the highest chance for rain is still for San Luis Obispo and Santa Barbara Counties. The bulk of the rain is likely to fall Monday night through Tuesday, with lingering rain chances through Wednesday. There is low confidence in exact rain totals, however there is the potential for storm total rain as high as 1.5-3 inches for San Luis Obispo and Santa Barbara Counties, and 0.5-1.5 inches for LA and Ventura Counties. Southwesterly flow may result in some terrain driven enhances of rain totals for mountain ranges, especially for the west or south- facing slopes. Alternatively, if the center of the low travels mostly over land opposed to the coastal waters, rainfall totals may end up largely under 0.5 inches across the region. Strong onshore winds and low 500 mb heigheights will combine with possible rainfall and cloud cover, to yield a period of well below normal temperatures and unsettled conditions, Monday through at least Wednesday. Marine 09/850 AM. ***UPDATE*** 1) Issued a Small Craft Advisory for the waters adjacent to Los Angeles and Orange Counties (PZZ655) valid this afternoon & evening. Local gusts up to 25 kt will be possible near Point Dume & across the San Pedro Channel. 2) Adjusted the start time for the Marine Weather Statement to begin at 3PM to account for delayed arrival of the thunderstorm potential over the southern coastal waters. 3) Will need to monitor the westward extent of thunderstorm potential, as some guidance suggest that most activity may stay east of PZZ676. Thus, stay tuned for future updates. ================================================================== For the waters southwest through northwest of the Channel Islands and the nearshore waters along the Central Coast, conditions will very likely remain below Small Craft Advisory (SCA) levels through early Friday morning. Local gusts near SCA (Small Craft Advisory) levels are possible south of Point Conception this evening. There is an increasing chance of SCA (Small Craft Advisory) level winds on Friday with an imminent (80-100 percent) chance of SCA (Small Craft Advisory) conditions by Friday afternoon and lingering through at least early Tuesday. There is a high-to- likely (50-70 percent) chance of GALES Friday evening through Saturday evening, highest from the waters near Point Conception south to San Nicolas Island. At least, widespread SCA (Small Craft Advisory) conditions are to be expected between Friday evening and Saturday evening. Inexperienced boaters should seek or remain in safe harbor during this period. Inside the southern California bight, conditions should generally remain below SCA (Small Craft Advisory) criteria through Friday afternoon. Local SCA (Small Craft Advisory) gusts with choppy seas are possible near Point Dume and across the San Pedro Channel this afternoon & evening. There is a high- to- likely (50-70 percent) chance for SCA (Small Craft Advisory) level winds Friday and Saturday, with highest chances across the western portion of the Santa Barbara Channel. There is low-to-moderate (20-40 percent) chance of GALES on Saturday afternoon and evening with a high (50 percent) chance of short-period hazardous seas developing across the Santa Barbara Channel. Moisture associated with rapidly weakening Tropical Cyclone Priscilla off the Baja California coast will move north through today through Friday and bring a slight (10-20 percent) chance of showers and thunderstorms for the southern coastal waters, highest from south of Dana Point into the San Pedro Channel adjacent to Los Angeles and Orange Counties this afternoon through early Friday morning. Any thunderstorm that forms will be capable of producing locally gale force winds and rough seas, dangerous lightning, and heavy rainfall with reduced visibility, and even a waterspout. NOAA Los Angeles/Oxnard CA Office: Watches - Warnings - Advisories CA...NONE. PZ...Small Craft Advisory in effect from 9am Friday to 9am PDT Saturday for zones 645-670. Small Craft Advisory in effect from 3pm this afternoon to 9 pm PDT this evening for zone 655. Small Craft Advisory in effect from 3am to 9pm PDT Friday for zones 673-676. Gale Watch in effect from Friday evening through late Saturday night for zones 673-676. |
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