Wednesday, April21, 2021
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Marine Weather and Tides
Oxnard, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:16AMSunset 7:34PM Wednesday April 21, 2021 4:23 AM PDT (11:23 UTC) Moonrise 1:42PMMoonset 3:13AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 202 Am Pdt Wed Apr 21 2021
Today..Western portion, W winds 10 to 20 kt. Eastern portion, winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 10 seconds.
Tonight..W winds 10 to 20 kt in the evening, becoming variable 10 kt or less. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 9 seconds.
Thu..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 10 seconds.
Thu night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 4 ft at 7 seconds.
Fri..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 8 seconds.
Fri night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 4 ft at 6 seconds.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft.
Sun..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 4 ft. Chance of rain.
PZZ600 202 Am Pdt Wed Apr 21 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 09z, or 2 am pdt, a 1034 mb high pressure center was located 600 nm W of portland, oregon and a 1001 mb low was near las vegas.


7 Day Forecast for Marine Location Near Oxnard, CA
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location: 34.23, -119.24     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 211032 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 332 AM PDT Wed Apr 21 2021

SYNOPSIS. 21/230 AM.

A cooler air mass will remain in place through Thursday as strong onshore flow and a deep marine layer will combine to bring extensive low clouds. Clouds will struggle to clear from the coast and valleys each day. Drizzle or light rain is possible at times through Thursday. High pressure aloft will bring a slight warming trend for the end of the week, then a storm system could bring rain and mountain snow early next week.

SHORT TERM (TDY-FRI). 21/301 AM.

The latest satellite imagery shows a deep marine layer in place with extensive low clouds this morning. Clouds are filling in rapidly across the southern California bight. The marine layer depth has surpassed 4000 feet deep as low clouds and fog have pushed well into the mountains. The latest observations from KSDB (elevation 4521 feet) indicate low clouds and fog slipping in over the last hour. Strong onshore flow in place will continue to strengthen today as cyclonic flow with a trough over the west central Sierras will dig southeast into southern Nevada. Clouds will likely struggle to clear from the land mass as strong onshore pressure gradients will keep cooler maritime air in place.

A trailing vort max just sitting off the Central Coast of California this morning will provide some instability for light rain or measurable drizzle today. Slight chance PoPs and mentions of drizzle remain in the forecast through Thursday as the vort max will carve out a secondary trough off the California coast tonight through Thursday. A weak and marginal signal exists for the possibility of thunderstorms over the Ventura County mountains today. Lifted index values dip to -1 and 1000-500 mb lapse rates steepen to near 7.5 degrees Celsius per km. K-index values also approach 32 degrees Celsius. As this is a new development and SPC is downplaying the possibility of convection, mentions of thunderstorms were not included in the forecast for the mountains this afternoon and evening, but it bears watching. PoPs were increased over the mountains for this afternoon and evening though. The next shift will be briefed about the possibility of convection.

Strong onshore flow in place across the region will bring another round of marginally gusty winds to the Antelope Valley today. A wind advisory was added through this evening. Gusts up to 45 mph are expected, but isolated gusts to 55 mph are possible in the foothills, such as the Lake Palmdale area. Sub-advisory breezy to locally windy conditions could also occur across the interior and along the Central Coast each afternoon and evening through Thursday.

Ridging aloft will build in for the end of the week. Onshore flow will weaken but still remain in place. Night through morning low clouds and fog should remain persistent. Some warming will take place, but the warming will be most pronounced away from the coast into the interior sections.

LONG TERM (SAT-TUE). 21/324 AM.

Cyclonic flow will redevelop on Saturday as an upper-level trough near the Aleutian Islands will approach the West Coast early next week. Earlier model solutions may have tapped into moisture from what is now Super Typhoon Surigae on the western Pacific, but the latest model solutions going to back to last night are downplaying this possibility. Still, a decent chance of rain exists between Sunday and Monday night. GEFS members remain drier, with most favoring no rain for the region early next week. A majority of the Canadian ensemble members and a vast majority of the ECMWF ensemble members favor a wetter forecast. With the ECMWF ensemble members remaining very consistent and GEFS members varying, the forecast leans more toward a wetter solution for early next week. PoPs were nudged higher in the forecast as the ensemble PoP mean creeps higher. ECMWF ensemble mean QPF values are ticking higher in the latest runs to around 0.50 inch across the area. The operational run of the ECMWF is a tad wetter than that. Operational GFS and ECMWF solutions would produce rain and mountain snow as low as 6000 feet as modeled currently. Cooler and cloudier conditions should be expected for early next week. If planning to travel to/from work or school on Monday, a wet commute is looking more likely.

Rain will taper off on Monday afternoon or night, then high pressure will build in for Tuesday and Wednesday.

AVIATION. 21/1030Z.

At 1020Z, the marine inversion at KLAX was based around 4000 feet. The top of the inversion was 6600 feet with a temperature of 9 degrees Celsius.

Overall, moderate confidence in coastal/valley TAFs and high confidence in desert TAFs. Deep inversion and strong onshore flow will result in slow/limited clearing for coastal/valley TAFs with moderate confidence in forecast trends in TAF package.

KLAX . Low confidence in 12Z TAF. There is a 30% chance of MVFR CIGs 12Z-20Z. For this evening, high confidence in return of MVFR CIGs, but low confidence in timing (could be anywhere between 02Z and 08Z). East to southeast winds near 10 knots will continue through 18Z.

KBUR . Low confidence in 12Z TAF. There is a 40% chance that MVFR CIGs could continue through the afternoon. For tonight, high confidence in return of MVFR CIGs, but low confidence in timing (could be +/- 4 hours of current 02Z forecast).

MARINE. 21/316 AM.

For the Outer Waters, moderate to high confidence in current forecast. High confidence in Small Craft Advisory (SCA) level winds continuing through this evening with winds and seas remaining below SCA levels Thursday and Friday. On Saturday, there is a 40% chance of SCA level winds across PZZ673/676. On Sunday, high confidence in winds and seas remaining below SCA levels for all the Outer Waters.

For the Inner Waters north of Point Sal, high confidence in current forecast. Through Sunday, winds and seas are expected to remain below SCA levels.

For the Inner Waters south of Point Conception, high confidence in current forecast. Through Sunday, winds and seas are generally expected to remain below SCA levels. The only exception will be across the western half of the Santa Barbara Channel where there is a 20% chance of SCA level winds through this evening. Also, east to southeast winds with gusts to 15 kt are expected this morning.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Wind Advisory in effect until 10 PM PDT this evening for zone 59. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 9 PM PDT this evening for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (FRI-TUE).

Strong rip currents are likely and high surf is possible at area beaches Friday and Saturday. Rain and mountain snow above 6000 feet is possible between Sunday and Monday.



PUBLIC . Hall AVIATION . RAT MARINE . RAT SYNOPSIS . Hall

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 27 mi47 min E 1.9 G 4.1 55°F 1011.8 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 32 mi33 min WNW 14 G 18 54°F 56°F6 ft1012.3 hPa48°F
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 34 mi33 min NW 5.8 G 7.8 57°F 61°F5 ft1011.8 hPa52°F
46251 36 mi57 min 59°F6 ft
46268 38 mi53 min 59°F 61°F3 ft
46221 - Santa Monica Bay, CA (028) 41 mi27 min 62°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 42 mi53 min E 8.9 G 11 59°F 63°F1012.4 hPa

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oxnard, Oxnard Airport, CA3 mi32 minno data10.00 miOvercast55°F47°F74%1011.7 hPa
Camarillo, Camarillo Airport, CA8 mi28 minN 010.00 miOvercast58°F47°F67%1012.6 hPa
Point Mugu, Naval Air Warfare Center, CA10 mi31 minW 710.00 miOvercast55°F47°F74%1012.3 hPa

Link to 5 minute data for KOXR

Wind History from OXR (wind in knots)
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Last 24hrCalmE3E4333W66SW8W9
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1 day agoNW6NW4CalmW4W5W6W9W8--W9W12W13W13W13W11W8W6W5CalmCalmCalmE3CalmCalm
2 days agoNW3CalmNE4NE6NE6E12E7
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Tide / Current Tables for Ventura, California
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Ventura
Click for Map
Wed -- 03:13 AM PDT     Moonset
Wed -- 05:12 AM PDT     4.10 feet High Tide
Wed -- 06:18 AM PDT     Sunrise
Wed -- 12:41 PM PDT     0.04 feet Low Tide
Wed -- 01:41 PM PDT     Moonrise
Wed -- 07:31 PM PDT     3.86 feet High Tide
Wed -- 07:33 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.933.23.63.94.143.632.21.30.60.10.10.41.11.92.83.43.83.83.63.12.7

Tide / Current Tables for Port Hueneme, California
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Port Hueneme
Click for Map
Wed -- 03:12 AM PDT     Moonset
Wed -- 05:13 AM PDT     4.10 feet High Tide
Wed -- 06:18 AM PDT     Sunrise
Wed -- 12:38 PM PDT     0.04 feet Low Tide
Wed -- 01:41 PM PDT     Moonrise
Wed -- 07:32 PM PDT     3.86 feet High Tide
Wed -- 07:33 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.933.23.63.94.143.632.11.30.60.10.10.41.11.92.83.43.83.83.63.12.7

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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