Saturday, December14, 2019
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Marine Weather and Tides
Malibu, CA

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NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:51AMSunset 4:48PM Saturday December 14, 2019 8:51 AM PST (16:51 UTC) Moonrise 8:27PMMoonset 10:11AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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- 819 Am Pst Sat Dec 14 2019
.small craft advisory in effect until noon pst today...
.gale warning in effect from noon pst today through late tonight...
Today..Western portion, nw winds 15 to 25 kt with gusts to 35 kt. Elsewhere, winds variable 10 kt or less becoming 10 to 20 kt in the afternoon. Combined seas 6 to 8 ft dominant period 16 seconds.
Tonight..Western portion, nw winds 15 to 25 kt with gusts to 35 kt. Elsewhere, nw winds 10 to 20 kt becoming N 5 to 15 kt after midnight. Combined seas 7 to 10 ft dominant period 12 seconds.
Sun..Western portion, nw winds 15 to 25 kt becoming 10 to 15 kt in the afternoon. Elsewhere, N winds 10 to 20 kt becoming 10 to 15 kt in the afternoon. Combined seas 7 to 9 ft dominant period 9 seconds, subsiding to 4 to 5 ft dominant period 10 seconds in the afternoon.
Sun night..From point mugu to santa Monica, ne winds 10 to 20 kt, elsewhere, winds variable 10 kt or less becoming E 10 to 15 kt after midnight. Wind waves 2 to 3 ft. W swell 4 to 6 ft at 8 seconds.
Mon..From point mugu to santa Monica and S of palos verdes, ne winds 15 to 25 kt becoming 10 to 15 kt in the afternoon. Elsewhere, ne winds 5 to 10 kt with gusts to 10 kt. Wind waves 2 to 3 ft. W swell 3 to 4 ft at 13 seconds.
Mon night..From point mugu to santa Monica and S of palos verdes, ne winds 10 to 15 kt becoming 15 to 20 kt after midnight. Elsewhere, N winds around 10 kt. Wind waves 2 to 3 ft. W swell 2 to 3 ft at 13 seconds.
Tue..NE winds 10 to 20 kt. Gusts to 25 kt. Combined seas 2 to 4 ft.
Wed..NE winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Slight chance of rain.
PZZ600 819 Am Pst Sat Dec 14 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 15z or 7 am pst, a 1031 mb surface high was about 1200 nm west of point conception and a 1008 mb surface low was near central california-nevada border. Moderate to strong west to northwest flow will develop across coastal waters today and continue through late tonight.


7 Day Forecast for Marine Location Near Malibu, CA
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location: 33.98, -118.72     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 141314 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 514 AM PST Sat Dec 14 2019

SYNOPSIS. 14/334 AM.

Low pressure will bring a chance of rain and snow showers to the mountains through early Sunday, areas of gusty winds, and much cooler weather to the region this weekend. Some warming is expected Monday and Tuesday with dry weather and some gusty Santa Ana Winds. A storm system may bring some rain to the region Wednesday into early Thu, followed by dry and cool weather for the end of the week.

SHORT TERM (TDY-MON). 14/420 AM.

Weakening frontal system was pushing across Monterey County early this morning, bringing some scattered shower activity with it. This front may hold together enough to bring a few showers to SLO County and northern SBA County this morning. Elsewhere, a deep marine layer has developed across L.A. and VTU Counties, with clouds widespread in all coastal and valley areas except for the Santa Clarita Valley. Clouds may push into the Santa Clarita Valley and into the coastal slopes by daybreak. There could be some drizzle as well, especially in the foothills. Gusty northwest to north winds continued across southern SBA County, and that has kept the south coast of SBA County clear so far, but if the winds drop off, clouds should sneak northward from VTU County around or shortly after daybreak.

Kind of a complicated forecast for today. Northwesterly to north flow will increase across the region later today behind the weakening frontal system. Expect advisory level NW winds on the Central Coast this afternoon, and W to NW winds across the Antelope Valley late this morning through tonight. NW winds will likely also reach advisory levels thru and below passes and canyons of the Santa Ynez Range and the adjacent south coast of SBA County, late this afternoon or evening through late tonight, and through the Interstate 5 Corridor and the Santa Clarita Valley this evening through Sun morning. Wind Advisories have been issued for these areas. Advisories may have to be expanded to include the San Fernando Valley, the Santa Monica Mountains, and the L.A. County Coast below passes and canyons from Malibu to the Hollywood Hills, but at this time, it appears that winds will remain just below advisory levels in those areas.

Skies should become partly cloudy this afternoon, except remain mostly cloudy in the mountains, and possibly across much of L.A. County. Moist cyclonic westerly flow could bring a few showers to the eastern San Gabriel Mountains and possibly even the San Gabriel Valley this afternoon and evening. Today will be significantly cooler than it was on Fri in all areas, with temps down to below normal levels in most areas.

Moist northerly flow will bring a chance of showers to interior sections of sern SLO and nern SBA County, and to the northern mountains of VTU County and NWRN L.A. County this afternoon into tonight, lingering across the northern slopes of VTU County through Sunday morning.

While precipitation totals in the mountains are not expected to be excessive, snow could cause some travel problems on portions of Interstate 5 late tonight/Sun morning. A Winter Weather Advisory may have to be considered for the mountains due to potential impacts for Interstate 5.

Skies will become mostly sunny across the region on Sunday, but it should actually even be a few degrees cooler than today in most areas. Expect NW-N to remain mostly below advisory levels Sunday evening. However, winds will shift to a more northeasterly directions late Sun night and Monday morning. Offshore gradients and upper support look to be sufficient for at least low end wind advisory level northeast winds across the mtns and valleys of L.A. and VTU Counties, and the VTU County coastal plain Monday morning. Monday should be several degrees warmer, especially west of the mountains, but it will not be a particularly warm Santa Ana wind event, with warmest locations likely topping out in the lower 70s on Mon.

LONG TERM (TUE-FRI). 14/506 AM.

Models show stronger offshore gradients Tue morning, but they will be trending onshore during the day, unlike on Mon. In addition, upper level support should be weaker. Still, there should be some gusty NE winds across L.A./VTU Counties in the morning, maybe even close to advisory levels. The upper level ridge axis will move to the east of the region on Tue, and high clouds will increase and thicken during the day, especially across northern sections. One more day of Santa Anas/offshore flow Tuesday. Expect max temps on Tue to be about the same as those on Mon.

The models continue to exhibit significant differences with the upper low moving into the region during mid week. The GFS is quite a bit faster with it, showing it move into Central CA Tue night, then into the Great Basin on Wed, bringing a shot of rain to most of the region late Tue night into Wed. The EC is about 12 hours or so slower, moving the upper center into Monterey County early Wed afternoon and into the Great Basin Wed night. The GFS is also wetter with the system. Will continue with the increasing chance of rain Tue night, mainly across northern sections, then across all areas on Wed, with a chance of showers lingering into Wed night. Dry weather is expected Thu and Fri with a warming trend as a ridge builds into the area.

AVIATION. 14/1313Z.

At 2245Z, the marine layer was around 2200 feet deep. The top of the inversion was 2700 feet with a temperature of 18 degrees Celsius.

S of Point Conception . Moderate confidence with Coastal TAFs with MVFR to VFR Conds today. SKies should remain mostly cloudy through the day. Low confidence with valley tafs including KBUR,KVNY with LIFR/IFR Conds through 18z. Then higher confidence with MVFR/VFR CIGS through much of the day. There is a 30% chance that CIGs will scour out by 19-20z.

N of Point Conception . Low confidence with 12z TAFs as flight categories will jump from VLIFR to MVFR to VFR through 20z. Timing is difficult with CIG categories. Best chance for MVFR/VFR will be after 18z.

KLAX . Overall, moderate confidence in 12Z TAF. CIGs should vary from MVFR to IFR, but less confidence in respect to timing with VFR conds.Timing of dissipation of MVFR CIGs could be +/- 2 hours of current 22Z forecast. No significant easterly wind component over 6 knots is expected.

KBUR . Overall with 12z TAF, Low confidence through 18z. 40% chance for LIFR CIGs could rise to IFR by 15z-17z. Moderate confidence after that with timing of MVFR CIGs within +/- 2 hours. Timing of dissipation of MVFR CIGs could be +/- 2 hours of current 22Z forecast.

MARINE. 14/303 AM.

For the Outer Waters, moderate to high confidence in current forecast. Small Craft Advisory (SCA) level winds and/or seas will continue through at least late Sun night. The GALE WARNING is in effect for this afternoon and tonight night for PZZ676 and now PZZ673. Mainly near Point Conception and areas south. With the gusty winds, short-period, choppy seas will be likely. High seas over 10 feet will continue through late Sun night, therefore a SMALL CRAFT ADVISORY is not only in effect for winds, but for hazardous seas. On Tuesday and Wednesday, there is a 50% chance of SCA level east to southeast winds.

For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. SCA level winds are expected today and tonight with short-period, choppy seas. Additionally, SCA level seas will continue through tonight. On Tuesday, there is a 50% chance of SCA level southeast winds.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. For this morning, SCA level west to northwest winds are expected. A GALE WARNING becomes valid this afternoon through tonight (with the strongest winds across western sections). From Sunday night through Wednesday, the winds will shift to the northeast with SCA level winds likely Sunday night through Tuesday.

A large and long period west to northwest swell will impact the coastal waters through at least late Sunday night, resulting in hazardous sea conditions and large breaking waves near shore, especially with a large short period wind swell on top of that. Breaking waves at the Morro Bay and Ventura Harbor entrances will be possible.

BEACHES. 14/422 AM.

A large long-period west to northwest swell will continue across the coastal waters of southwest California, peaking through this morning, then slowly diminish over the remainder of the weekend.

Surf will likely peak between 12 and 16 feet for the Central Coast. A HIGH SURF ADVISORY is in effect for the Central Coast through Monday morning.

A HIGH SURF ADVISORY is also in effect through noon Sunday for the beaches south of Point Conception with surf between 6 and 10 feet. Highest surf will occur across exposed west facing beaches. Strong rip currents and dangerous breaking waves are expected.

With high tides around 6.5 feet this morning, minor coastal flooding is possible during the late morning high tide. Any coastal flooding impacts should be confined to the beaches, with flooding possible in the most vulnerable parking lots, bike paths, and walkways.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until noon PST Monday for zones 34-35. (See LAXCFWLOX). Wind Advisory in effect from noon today to 7 PM PST this evening for zones 34-35. (See LAXNPWLOX). High Surf Advisory in effect until 4 AM PST Sunday for zone 39. (See LAXCFWLOX). Wind Advisory in effect until 3 AM PST Sunday for zones 39-52. (See LAXNPWLOX). High Surf Advisory in effect until noon PST Sunday for zones 40-41-87. (See LAXCFWLOX). Wind Advisory in effect from 4 PM this afternoon to noon PST Sunday for zones 53-54. (See LAXNPWLOX). Wind Advisory in effect from 10 AM this morning to 3 AM PST Sunday for zone 59. (See LAXNPWLOX). Wind Advisory in effect from 7 PM this evening to noon PST Sunday for zone 88. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 3 AM PST Sunday for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect until noon PST today for zones 650-655-673-676. (See LAXMWWLOX). Gale Warning in effect from noon today to 3 AM PST Sunday for zones 650-655-673-676. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PST Monday for zone 670. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

Gusty northeast winds possible across parts of LA/Ventura Counties Monday and Tuesday.



PUBLIC . DB AVIATION . Kaplan MARINE . Kaplan BEACHES . Kaplan SYNOPSIS . DB

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46221 - Santa Monica Bay, CA (028) 10 mi26 min 62°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 12 mi52 min E 4.1 G 5.1
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 23 mi32 min NNW 14 G 19 61°F 62°F1016 hPa60°F
PXAC1 28 mi52 min E 1.9 G 1.9
BAXC1 29 mi52 min E 4.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 30 mi58 min 63°F1016.2 hPa
PSXC1 30 mi52 min ENE 4.1 G 5.1
AGXC1 31 mi52 min NNE 5.1 G 5.1
PFDC1 31 mi52 min NNE 4.1 G 4.1
PFXC1 31 mi52 min E 5.1 G 5.1
46222 - San Pedro, CA (092) 33 mi29 min 62°F6 ft
PRJC1 33 mi52 min NE 5.1 G 5.1
46256 34 mi52 min 62°F3 ft
46253 40 mi22 min 63°F4 ft
46251 47 mi22 min 60°F7 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Monica, Santa Monica Municipal Airport, CA15 mi61 minE 32.00 miFog/Mist59°F55°F87%1015.5 hPa
Los Angeles, Los Angeles International Airport, CA17 mi59 minE 62.00 miFog/Mist60°F55°F86%1015.4 hPa
Hawthorne, Hawthorne Municipal Airport, CA20 mi59 minE 42.50 miFog/Mist59°F55°F87%1015.7 hPa
Van Nuys, Van Nuys Airport, CA20 mi61 minNNE 43.00 miFog/Mist56°F53°F90%1015 hPa
Point Mugu, Naval Air Warfare Center, CA23 mi60 minVar 43.00 miFog/Mist54°F51°F90%1015.8 hPa
Los Angeles / USC Campus Downtown, CA23 mi60 minE 31.75 miOvercast with Haze61°F55°F81%1015.3 hPa
Burbank - Bob Hope Airport, CA24 mi59 minNE 34.00 miFog/Mist55°F52°F90%1014.6 hPa
Torrance, Zamperini Field Airport, CA24 mi65 minN 04.00 miFog/Mist57°F55°F94%1015.6 hPa

Link to 5 minute data for KSMO

Wind History from SMO (wind in knots)
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Last 24hrCalmCalmSW7SW5SW75W6SW64CalmCalmCalmCalmNE33CalmE3CalmCalmCalmCalmCalmCalmE3
1 day agoNE3E5CalmCalmSW55SW5SW4SW3CalmSE3CalmCalmCalmCalmCalmCalmN3CalmN4NE3NE3E3Calm
2 days agoCalmS4S4SW5SW5SW5W5W5SW3S3CalmCalmNE5CalmCalmCalmCalmCalmCalmCalmCalmNE4CalmNE3

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Sat -- 03:24 AM PST     2.39 feet Low Tide
Sat -- 06:51 AM PST     Sunrise
Sat -- 09:10 AM PST     Moonset
Sat -- 09:43 AM PST     6.18 feet High Tide
Sat -- 04:45 PM PST     Sunset
Sat -- 05:12 PM PST     -0.80 feet Low Tide
Sat -- 07:26 PM PST     Moonrise
Sat -- 11:57 PM PST     3.67 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.12.72.42.52.93.64.55.466.25.74.73.41.90.6-0.4-0.8-0.60122.93.5

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Sat -- 03:25 AM PST     2.37 feet Low Tide
Sat -- 06:51 AM PST     Sunrise
Sat -- 09:10 AM PST     Moonset
Sat -- 09:43 AM PST     6.29 feet High Tide
Sat -- 04:45 PM PST     Sunset
Sat -- 05:10 PM PST     -0.82 feet Low Tide
Sat -- 07:26 PM PST     Moonrise
Sat -- 11:56 PM PST     3.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.63.22.72.42.42.93.64.65.56.16.35.84.83.41.90.5-0.4-0.8-0.60.112.133.5

Weather Map
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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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Wind Forecast for Los Angeles/Oxnard, CA (11,2,3,4)
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Ground Weather Radar Station Los Angeles, CA
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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 numerious 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.