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Marine Weather and Tides
Ladera Heights, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:53AMSunset 5:17PM Sunday January 24, 2021 1:03 AM PST (09:03 UTC) Moonrise 2:42PMMoonset 4:30AM Illumination 84% Phase: Waxing Gibbous; Moon at 11 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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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 904 Pm Pst Sat Jan 23 2021
.small craft advisory in effect from Sunday afternoon through late Sunday night...
.gale watch in effect from late Sunday night through Tuesday evening...
Tonight..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft at 13 seconds. Slight chance of tstms in the evening. Chance of showers.
Sun..Western portion, nw winds 5 to 10 kt becoming 15 to 25 kt in the afternoon. Elsewhere, N winds 5 to 10 kt becoming W 10 to 15 kt with local gusts to 20 kt in the afternoon. Combined seas 3 to 5 ft dominant period 13 seconds.
Sun night..W winds 15 to 25 kt with gusts to 30 kt. Strongest western portion. Combined seas 4 to 6 ft dominant period 8 seconds. Chance of rain in the evening, then rain likely.
Mon..Western portion, nw winds 35 to 45 kt. Elsewhere, nw winds 15 to 20 kt becoming 25 to 35 kt in the afternoon. Combined seas 8 to 11 ft dominant period 7 seconds, building to 10 to 13 ft dominant period 9 seconds in the afternoon. Chance of showers in the morning, then slight chance of showers.
Mon night..Western portion, nw winds 35 to 45 kt becoming 30 to 40 kt after midnight. Elsewhere, nw winds 25 to 35 kt becoming 20 to 25 kt after midnight. Combined seas 11 to 14 ft dominant period 9 seconds, subsiding to 8 to 10 ft dominant period 14 seconds after midnight. Slight chance of showers in the evening.
Tue..W to nw winds 20 to 30 kt with gusts to 35 kt, strongest western portion, becoming sw 10 to 15 kt late. Combined seas 5 to 7 ft. Slight chance of rain.
Wed..S winds 10 to 15 kt early, becoming se 10 to 20 kt with local gusts to 25 kt. Wind waves 2 to 4 ft. W swell 4 to 6 ft. Chance of rain.
PZZ600 904 Pm Pst Sat Jan 23 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 04z, or 8 pm pst, a 1011 mb surface low was near the arizona-california border. A 1020 mb surface high was located over western oregon was extending west to a 1040 mb surface high about 900 nm west of eureka, ca. Winds will increase and seas will build across the coastal waters, with widespread gale force winds and choppy seas likely by Monday.


7 Day Forecast for Marine Location Near Ladera Heights, CA
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location: 34.02, -118.36     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 240559 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 959 PM PST Sat Jan 23 2021

SYNOPSIS. 23/538 PM.

Lingering showers will end overnight leading to a dry and cool Sunday. Clouds will increase late on Sunday bringing rain and mountain snow overnight into Monday. A wetter system will likely affect the central coast by Wednesday and move into Southern California by Friday.

SHORT TERM (SAT-TUE). 23/956 PM.

The latest satellite imagery shows a cold trough of low pressure exiting the area this evening, now pushing east into western Riverside County. Wrap around shower activity continues to stream across eastern Los Angeles County, primarily into the San Gabriel mountains and the Antelope Valley. Clouds continue to hug the mountains and mountain valleys as flow upslope into the mountains. Skies are clearing over the western portions of the area and some concern exists for frost formation and/or ground fog formation. Higher confidence exists in ground fog formation for areas north of Point Conception, and frost formation across Ventura County and across the interior valleys. A frost advisory was added for the Ventura County Valleys where the best potential exists for frost, but patchy frost cannot ruled out for southern Santa Barbara County, the Ventura County Coast, and across the Central Coast and into the western portion of the San Fernando Valley.

Another cold trough of low pressure off the British Columbia coast with dig into the region Sunday night and Monday. The current details with the next system look agreeable to previous forecast, but a developing impact is gusty and potentially winds developing across the region. A High Wind Watch was added for late Sunday night through Monday for the San Luis Obispo County mountains and the Antelope Valley, but if the snow accumulation in the forecast trends wetter, this watch could be converted to a Winter Storm Watch and Warning.

An update will be issued shortly for winds for Sunday and Monday and the forecast tonight.

***From Previous Discussion***

Additional rainfall through this evening is expected to be generally 0.15 inch or less for SLO/SBA Counties, and around 0.10-0.30 inch over most of VTU/L.A. Counties. Snow levels will be around 3500-4000 ft thru this evening, with some light accumulations possible, especially above 4000 ft. An inch of snow may occur across the Tejon Pass through the I-5 Corridor, while the resorts in the eastern San Gabriel Mtns could see 2-3 inches through this evening.

The upper level low will move gradually SE of the forecast area tonight followed by flat upper level ridging on Sun altho another upper level trof will quickly approach the Central Coast from the NW Sun afternoon. Dry weather will prevail later tonight thru Sun, except for a slight chance of rain moving into NW SLO County Sun afternoon as the next weather system approaches.

A much colder upper level trof will dig down into swrn CA from the N Sun night and Mon, with H5 heights plunging to 533-536 dm over the region on Mon. A cold air mass will move into the region, as 850 mb temps fall to -2 to -5 deg C by Mon morning, and 950 mb temps dip to as low as 2 to 4 deg C early Mon morning. In addition, 1000-500 mb thicknesses are forecast to plunge to 525-528 dm by 18Z Mon. This system will spread rain and mountain snow across the region Sun night into Mon, with a chance of pcpn lingering into Mon evening from the N mtn slopes into portions of SLO/SBA Counties. Snow levels are expected to be around 3500-4000 ft Sun night then drop to around 1500 to 2500 ft Mon into Mon evening. There will also be strong and gusty NW winds with this system Mon into Mon evening, with Advisory-level gusts for many areas. However, winds should be strongest in the foothills and mtns where gusts could approach Warning levels.

Rainfall with this system Sun night thru Mon evening is expected to be about 0.15 to 0.30 inch overall across the forecast area, with local amounts up to about 0.60 inch in the mtns. Snow accumulations are expected to be around 2 to 4 inches between 3500-4500 ft, and 4 to 8 inches above about 4500 ft. With the expected snow and gusty winds, a Winter Storm Watch remains in effect for the SBA/VTU/L.A. County mtns (excluding the Santa Monica Mtns) from late Sun evening to late Mon evening. Potential impacts include wintry driving conditions and poor visibilities. Travel will likely be impacted along I-5 in NW L.A. county, including over the Grapevine, as well as the higher portions of Highway 14. Snow levels this low will likely bring some snowfall to the Antelope Valley floor as well as the adjacent foothills and Santa Clarita Valley or adjacent foothills. A Winter Weather Advisory for the Antelope Valley will likely be needed as we draw closer to Monday. Accumulations of 1-2 inches will be possible across some roadways including Hwy 138 between Littlerock and Llano.

The upper level trof will move E of the region later Mon night, with a pop-up ridge (only to about 555-557 dm) moving over the area on Tue. Dry conditions with mostly clear skies and gusty NW winds for many areas can be expected late Mon night thru Tue.

Temps across the region thru Tue are forecast to be several degrees below normal, altho the coolest day will be on Mon with highs 8-16 deg below normal for most areas.

LONG TERM (WED-SAT). 23/236 PM.

The deterministic EC and GFS are in good agreement then start to diverge in solutions for Fri and Sat. overall, it looks like a strong and deep upper level trof will dig S off the CA coast Wed and Thu. A potent Pacific frontal system associated with this system will move into the Central Coast later Tue night and Wed, then remain largely in this area Wed night and Thu. The EC pushes the upper level trof and surface frontal system E and thru the rest of the forecast area Thu night and Fri, while the GFS is about 12 hours slower and brings the front slowly into VTU/L.A. Counties on Fri. The models diverge even more Fri night and Sat, with the EC pushing another front into the area with additional rain Fri night and Sat while the GFS lingers the first front over eastern areas Fri night, then keeps the second front off the coast thru Sat with dry weather over the region.

The mean ensembles are in somewhat better agreement overall. The ensembles show the front stalling out over SLO/SBA Counties on Wed, then the EC moves the front slowly SE down the coast into SBA/VTU Counties Wed night and Thu while the GFS is slower to move the front. The GFS moves the front thru VTU/L.A. Counties Thu night and Fri, while the EC swings the front quickly thru these counties Thu night and E of the area on Fri. Both ensembles show a flat upper ridge building in by Sat, but a moist onshore flow should continue.

With all these differences, went with the NBM POPs thru the extended period. The forecast area is still projected to have a significant rain and mtn snow event Wed thru Fri. Rain should develop over SLO/SBA Counties Tue night then remain mostly over this area into Wed, with some increase in rain chances over VTU/L.A. counties. Rain will continue Wed night thru Thu night then begin to taper off on Fri and Fri night. A moist onshore flow should keep some light pcpn over portions of the area into Sat as well, mainly in the mtns.

Early estimates of rainfall over the region from Wed thru Fri evening is for 1 to 3 inches to fall over the coast and vlys, and 3 to 6 inches in the mtns. There is also the potential for significant amounts of snow in the higher elevations, mainly above 5500 to 6000 ft.

AVIATION. 23/1837Z.

At 18z at KLAX, there was no inversion.

Moderate confidence in 18Z TAFs with mostly cloudy skies and scattered showers into this evening. Conds will be mostly low VFR to high MVFR, except IFR to VLIFR in the mountains and foothills. There may also be brief IFR conditions in heavier showers. There is a slight chance of thunderstorms from SBA to L.A. County this afternoon.

KLAX . Moderate confidence in the 18Z TAF. Mostly VFR conds are expected, but there is a 30% chance of MVFR cigs at times, especially in showers. There is a slight chance of a thunderstorms this afternoon. The east wind component will remain below 7 kt.

KBUR . Moderate confidence in the 18Z TAF. Mostly VFR conds are expected, but there is a 30% chance of MVFR cigs at times, especially in showers. There is a slight chance of a thunderstorms this afternoon.

MARINE. 23/918 PM.

Moderate to high confidence in the current forecast. High confidence in the forecast for the northern and outer waters, less confidence inside the southern California bight.

Across the northern and outer waters, winds and/or seas will generally remain at or above Small Craft Advisory (SCA) level through Sun evening, though they may briefly drop below SCA levels from time to time. Gale Force winds are very likely(70-80 percent chance) Sun evening into Tue. Some areas may reach Storm Force at times, but low-to- moderate confidence exists at this time. Winds will likely drop below gale force sometime on Tue afternoon or evening. Gale force S winds are possible by late Wed.

Inside the southern California bight, SCA level W-NW winds are likely Sunday afternoon into Sun night, then Gale Force winds are likely (60 percent chance) late Sun night into Tue along with short period choppy waves. Winds will likely drop below gale force sometime Tue afternoon or evening. SCA level SE-S winds are possible by late Wed.

A strong storm system will arrive Sunday, bringing widespread gales and large, short period waves create choppy seas throughout much of the coastal waters. These dangerous sea conditions have a history of vessel damage and loss of life and mariners should avoid them or remain in safe harbor until conditions improve.

BEACHES. 23/932 PM.

Surf will build quickly on Sunday along the Central Coast peaking Monday afternoon and evening between 13 to 18 feet with local sets to 20 feet. South of Point Conception, surf of 8 to 12 feet with local sets to 14 feet is possible on Monday. The surf will diminish slowly Tuesday and early Wednesday then increase again by late Wednesday.

There will be strong rip currents and at least minor coastal flooding on Monday and Tuesday, particularly at high tide.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect from 2 PM Sunday to 10 PM PST Tuesday for zones 34-35. (See LAXCFWLOX). Frost Advisory in effect from 2 AM to 9 AM PST Sunday for zones 44-45. (See LAXNPWLOX). High Wind Watch in effect from late Sunday night through Monday afternoon for zone 51. (See LAXNPWLOX). Winter Storm Watch in effect from Sunday evening through Monday evening for zones 52>54. (See LAXWSWLOX). High Wind Watch in effect from Monday morning through Monday evening for zone 59. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 9 PM PST Sunday for zones 645-670-673-676. (See LAXMWWLOX). Gale Watch in effect from Sunday evening through Tuesday evening for zones 645-670-673-676. (See LAXMWWLOX). Small Craft Advisory in effect from noon Sunday to 3 AM PST Monday for zones 650-655. (See LAXMWWLOX). Gale Watch in effect from late Sunday night through Tuesday evening for zones 650-655. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (TUE-SAT).

Light to moderate precipitation and low elevation snow is possible Monday night. A stronger system will impact the area Wednesday and Thursday with significant rain and mountain snow. High surf will likely affect west facing beaches early next week.



PUBLIC . Hall/Sirard AVIATION . Phillips/DB MARINE . Hall BEACHES . Hall SYNOPSIS . TF

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 7 mi46 min N 2.9 G 2.9 49°F 59°F1013 hPa
46268 12 mi64 min 50°F 59°F2 ft
46221 - Santa Monica Bay, CA (028) 18 mi38 min 59°F3 ft
PXAC1 18 mi52 min W 1.9 G 2.9
BAXC1 19 mi52 min NNW 1.9 G 2.9
PSXC1 19 mi46 min W 1 G 1.9
PFXC1 20 mi46 min N 1 G 1.9 49°F
OHBC1 - 9410660 - Los Angeles, CA 21 mi46 min 60°F1013.3 hPa
PFDC1 21 mi58 min WNW 2.9 G 5.1
AGXC1 22 mi58 min NW 4.1 G 5.1 49°F 1010.6 hPa
PRJC1 22 mi46 min N 4.1 G 5.1
46256 24 mi38 min 59°F3 ft
46222 - San Pedro, CA (092) 28 mi43 min 59°F4 ft
46253 32 mi38 min 59°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 41 mi34 min NW 3.9 G 5.8 54°F 59°F1012.5 hPa43°F

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles / USC Campus Downtown, CA4 mi72 minN 010.00 miMostly Cloudy48°F43°F83%1012.1 hPa
Santa Monica, Santa Monica Municipal Airport, CA5 mi73 minN 010.00 miOvercast47°F43°F86%1012.3 hPa
Hawthorne, Hawthorne Municipal Airport, CA6 mi71 minN 010.00 miMostly Cloudy48°F43°F83%1012.5 hPa
Los Angeles, Los Angeles International Airport, CA6 mi71 minWNW 410.00 miMostly Cloudy48°F42°F80%1012.4 hPa
Burbank - Bob Hope Airport, CA12 mi71 minN 010.00 miOvercast45°F42°F90%1011.1 hPa
Van Nuys, Van Nuys Airport, CA15 mi73 minWNW 410.00 miPartly Cloudy47°F41°F80%1011.6 hPa
Long Beach, Long Beach Airport, CA17 mi71 minN 08.00 miMostly Cloudy47°F45°F93%1012.4 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi71 minN 07.00 miLight Rain47°F43°F86%1012.1 hPa

Link to 5 minute data for KCQT

Wind History from CQT (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmSE3Calm3CalmCalmSE33Calm344N3NE3E4CalmCalmCalmCalmCalm
1 day agoCalmCalmCalmE4E4E3CalmE3E5SE45W45SW3SW34W3CalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmSE4W44W4W35CalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Sun -- 03:31 AM PST     Moonset
Sun -- 05:59 AM PST     5.21 feet High Tide
Sun -- 06:55 AM PST     Sunrise
Sun -- 01:34 PM PST     -0.10 feet Low Tide
Sun -- 01:42 PM PST     Moonrise
Sun -- 05:17 PM PST     Sunset
Sun -- 08:18 PM PST     3.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.83.33.94.555.254.43.42.31.30.4-0-0.10.311.82.533.33.232.7

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Sun -- 03:31 AM PST     Moonset
Sun -- 06:01 AM PST     5.21 feet High Tide
Sun -- 06:55 AM PST     Sunrise
Sun -- 01:37 PM PST     -0.08 feet Low Tide
Sun -- 01:42 PM PST     Moonrise
Sun -- 05:17 PM PST     Sunset
Sun -- 08:20 PM PST     3.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.83.23.94.555.254.43.52.41.40.50-00.311.82.533.33.232.7

Weather Map
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wmap_P
GEOS Local Image of Southwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.