Saturday, December14, 2019
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Marine Weather and Tides
Palos Verdes Estates, CA

Version 3.4
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 6:49AMSunset 4:47PM Saturday December 14, 2019 3:45 PM PST (23:45 UTC) Moonrise 8:26PMMoonset 10:09AM Illumination 89% 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- 215 Pm Pst Sat Dec 14 2019
.gale warning in effect through late tonight...
Tonight..Western portion, nw winds 20 to 30 kt with gusts to 35 kt. Elsewhere, nw winds 15 to 25 kt becoming N 10 to 15 kt after midnight. Combined seas 8 to 11 ft dominant period 11 seconds.
Sun..NW to N winds 15 to 25 kt with gusts to 30 kt, becoming 10 to 20 kt with gusts to 25 kt in the afternoon. Combined seas 5 to 7 ft dominant period 9 seconds, subsiding to 4 to 5 ft dominant period 8 seconds in the afternoon.
Sun night..NW to N winds 15 to 20 kt with local gusts to 25 kt, becoming ne 10 to 15 kt after midnight. Wind waves 2 to 4 ft. W swell 3 to 5 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 becoming se in the afternoon. Wind waves 2 to 4 ft. W swell 2 to 3 ft at 13 seconds.
Mon night..NE winds 10 to 20 kt with local gusts to 25 kt. Wind waves 2 to 4 ft. W swell 2 to 4 ft at 12 seconds.
Tue..NE winds 10 to 20 kt with local gusts to 25 kt. Wind waves 2 to 4 ft. W swell 2 ft at 15 seconds.
Tue night..E winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 15 seconds.
Wed..NE winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft. Slight chance of rain.
Thu..N winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 215 Pm 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 22z or 2 pm pst, a 1029 mb surface high was about 1000 nm west of point conception. A 1006 mb surface low was near the four corners, extending west to a 1008 mb surface trough near the central california-nevada border. Moderate to strong west to northwest flow across coastal waters will continue through late tonight.


7 Day Forecast for Marine Location Near Palos Verdes Estates, CA
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location: 33.81, -118.41     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 142218 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 218 PM PST Sat Dec 14 2019

SYNOPSIS. 14/849 AM.

Low pressure will bring a chance of rain and snow showers to the mountains, 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-TUE). 14/210 PM.

Skies were partly to mostly cloudy across the area early this afternoon. Radar continued to show scattered showers moving into the N slopes mainly just N of the VTU County line. A few showers also were noted based over the eastern San Gabriel Vly and mtns. This trend will continue the rest of the day, with snow levels in the mtns expected to fall to about 6500 ft this afternoon. Temps will be several degrees cooler than normal for most areas this afternoon.

Gusty NW winds continued in the mtns and below passes and canyons of the Santa Ynez mtns, where gusts up to 35 to 40 mph mph range have been noted. Gusty W winds up to 40 mph were also noted in the Antelope Vly. The winds are expected to increase to Advisory levels along the Central Coast this afternoon as well, and in the Santa Clarita Vly early this evening. Peak gusts up to 35 mph can be expected along the Central Coast, and up to 40 to 50 mph elsewhere.

A fast-moving upper level trof will approach the area this afternoon then move thru srn CA this evening. This system will move well E of the area later tonight and Sun with H5 heights slowly increasing thru the period. Upper level ridging will slowly build toward the region from the W Sun night thru Mon with H5 heights increasing further to around 570 to 571 DM by Mon afternoon. The upper level ridge axis will move thru the forecast area Mon night then well east of the region Tue as a fairly deep upper level trof moves into the eastern Pac a couple of hundred miles off the CA coast by late in the day.

Gusty NW to N winds will continue tonight across much of the region, and even spread to the L.A. County coast later tonight into Sun morning. The strongest winds with gusts up to 40 to 50 mph are expected to be through and below passes and canyons of the SBA County mtns and S coast tonight, the Santa Clarita Vly this evening thru Sun morning, the Antelope Vly thru late tonight, and the L.A./VTU County mtns thru Sun morning. Wind advisories are in effect for these areas, however the Wind Advisory for the L.A./VTU County mtns will be replaced by a Winter Weather Advisory as noted below. Otherwise, more details on all the Wind Advisories can be found with the latest Non-Precipitation Weather Message (LAXNPWLOX). Winds should diminish some Sun afternoon but remain quite breezy for many areas with local gusts to Advisory levels at times.

A chance of showers and snow showers will linger on the N mtn slopes tonight into Sun morning, with snow levels continuing to lower and should be around 4000 ft or so late tonight into Sun morning. These lower snow levels should bring snow showers to Interstate 5 over the Grapevine. Generally light amounts of snow accumulation of up to 2 inches are expected thru Sun morning , but with the gusty winds and wintry driving conditions expected, a Winter Weather Advisory will be issued with the afternoon zone package, and be valid from 10 PM this evening until Noon on Sun. Elsewhere, there will be a slight chance of rain and snow showers for the San Gabriel mtns tonight, and a slight chance of showers this evening in the San Fernando and San Gabriel Vlys and L.A. County coast as a deep moist layer persists.

There will be some lingering clouds over the forecast area thru Sun morning then skies will become mostly sunny for the most part Sun afternoon. Offshore flow will increase Sun night and Mon with mostly clear skies expected for the most part thru Mon. For Mon night and Tue, plenty of hi clouds are expected to move into the area from the W as the upper level ridge will be dirty with hi level moisture being drawn into the area from the eastern Pac deep upper level trof.

Gradients will turn more NE and strengthen Sun night into Mon morning. The NAM forecasts the 12Z LAX-DAG gradient Mon morning to be -4.8 mb, a drop of 7.1 mb in 24 hours. There will be slight cold air advection and not a whole lot of upper level support for strong winds, but it still looks like wind prone areas of VTU/L.A. Counties may reach low-grade Advisory levels at times late Sun night into Mon morning. Offshore gradients are forecast to increase further Mon night into Tue morning, with the NAM forecast LAX-DAG gradient lowering to -8.2 mb at 12Z Tue. Advisory-level northeast winds appear likely over much of the usual wind-prone areas of VTU/L.A. Counties.

Temps are forecast to turn cooler for Sun with highs 3-8 deg below normal, then warm slightly for Mon and Tue but still remain a few degrees below normal for many areas. The warmest temps during the period are expected to be along the L.A./VTU County coastal plain Mon and Tue where highs may approach 70 degrees.

LONG TERM (WED-SAT). 14/213 PM.

The EC and GFS are not in complete agreement on the speed of the E Pac upper trof and associated frontal system Tue night and Wed, with the GFS slower than the EC. A model blend was used with a chance of rain moving into central and western SLO/SBA Counties Tue night, and a slight chance of rain and mountain snow spreading into portions of VTU/L.A. Counties on Wed. This does not look like a big rain producer mainly due to the system's fast movement and lack of organized upper level dynamics as it moves into CA.

Weak upper level ridging should move into srn CA on Thu into Fri before it moves E for Sat as a large upper level trof approaches the W coast from the E Pac. Dry weather is expected over swrn CA Thu thru sat, with varying amounts of mid and hi level clouds moving over the area thru much of the period for partly to mostly cloudy skies.

Temps are forecast to be several degrees below normal on Wed, then warm to generally near normal to slightly below normal overall Thu thru Sat. The warmest day should be Fri with highs for the warmest coast and vlys reaching the upper 60s to around 70.

AVIATION. 14/1710Z.

At 15Z, the marine layer depth was around 2700 feet deep at KLAX. The top of the inversion was near 3000 feet with a temperature of 11 degrees Celsius.

Low confidence in the current forecast through 23Z, then moderate confidence after 23Z. IFR to MVFR conditions should improve predominantly MVFR to VFR conditions with ceilings at or below 5000 feet through 19Z. Conditions should gradually improve to VFR between 19Z and 23Z. There is a chance of moderate wind shear and turbulence at all terminals through the period.

KLAX . IFR conditions should improve MVFR between 18Z and 20Z, then conditions should gradually improve to VFR. VFR conditions should develop as soon as 22Z or as late as 01Z. There is a chance of moderate wind shear and turbulence between 05Z and 07Z. North winds around 10 knots are likely after 05Z, possibly increasing to 15 to 20 knots after 10Z.

KBUR . MVFR conditions should gradually improve to VFR. VFR conditions should develop as soon as 22Z or as late as 01Z. There is a chance of moderate wind shear and turbulence after 04Z.

MARINE. 14/148 PM.

For the northern and outer Waters, moderate to high confidence in the current forecast. A GALE WARNING remains in effect through at least late tonight south of Point Sal. Local gale warning level gusts are possible north of Point Sal. With the gusty winds, short-period, hazardous seas will be likely. High seas over 10 feet will continue through late Sunday night, therefore a SMALL CRAFT ADVISORY (SCA) is not only in effect for winds, but for hazardous seas. On Tuesday and Wednesday, there is a 30-50 percent chance of SCA level east to southeast winds.

For the Inner Waters south of Point Conception, moderate to high confidence in the current forecast. A GALE WARNING remains in effect through late tonight. The strongest winds are expected 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. 14/217 PM.

A large long-period west to northwest swell across the coastal waters of southwest California today will slowly subside over the remainder of the weekend. A HIGH SURF ADVISORY remains in effect for the Central Coast through Monday morning and through noon Sunday for the beaches south of Point Conception. The highest surf will occur across exposed west facing beaches. Strong rip currents and dangerous breaking waves are expected.

With high tides between 6 and 6.5 feet Sunday 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 until 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 39-52-59. (See LAXNPWLOX). High Surf Advisory in effect until noon PST Sunday for zones 40-41-87. (See LAXCFWLOX). Wind Advisory in effect until 10 PM PST this evening for zones 53-54. (See LAXNPWLOX). Winter Weather Advisory in effect from 10 PM this evening to noon PST Sunday for zones 53-54. (See LAXWSWLOX). 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). Gale Warning in effect until 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 (TUE-SAT).

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



PUBLIC . Sirard AVIATION . Hall MARINE . Hall BEACHES . Hall SYNOPSIS . Sweet

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PXAC1 8 mi45 min W 8 G 11
OHBC1 - 9410660 - Los Angeles, CA 10 mi45 min 1013.5 hPa (-1.4)
BAXC1 10 mi45 min S 12 G 14
PFDC1 10 mi45 min SSW 13 G 14
PSXC1 10 mi45 min W 8.9 G 14
AGXC1 11 mi45 min WSW 14 G 16
PFXC1 11 mi45 min WSW 9.9 G 13
46221 - Santa Monica Bay, CA (028) 12 mi19 min 62°F6 ft
46256 13 mi15 min 62°F5 ft
PRJC1 13 mi45 min WSW 13 G 15
46222 - San Pedro, CA (092) 14 mi22 min 63°F6 ft
ICAC1 - 9410840 - Santa Monica Pier 14 mi45 min W 7 G 8 1013.1 hPa (-1.6)
46253 20 mi15 min 63°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 34 mi25 min W 19 G 23 60°F 62°F1013.1 hPa57°F

Wind History for Los Angeles Berth 161,
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Torrance, Zamperini Field Airport, CA4 mi58 minWSW 1310.00 miMostly Cloudy63°F55°F77%1013.2 hPa
Hawthorne, Hawthorne Municipal Airport, CA9 mi52 minWSW 810.00 miFair63°F53°F70%1012.9 hPa
Los Angeles, Los Angeles International Airport, CA9 mi52 minWSW 1110.00 miPartly Cloudy64°F54°F70%1012.6 hPa
Long Beach, Long Beach Airport, CA14 mi52 minS 69.00 miMostly Cloudy63°F54°F73%1012.6 hPa
Santa Monica, Santa Monica Municipal Airport, CA15 mi54 minSW 69.00 miPartly Cloudy61°F53°F75%1012.7 hPa
Los Angeles / USC Campus Downtown, CA16 mi53 minN 09.00 miMostly Cloudy66°F54°F65%1012.3 hPa
Los Alamitos Army Airfield, CA19 mi49 minS 810.00 miMostly Cloudy63°F54°F74%1013.2 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi52 minS 710.00 miMostly Cloudy66°F54°F65%1012.2 hPa

Link to 5 minute data for KTOA

Wind History from TOA (wind in knots)
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Last 24hrW9SE47--CalmCalm--------------------CalmCalmCalmCalmW4W4W9W9W13
1 day agoW6W6Calm3Calm--------------------CalmCalmCalmCalmW5W5W7W9W11
2 days agoW5W5CalmS3Calm--------------------CalmCalmCalmCalmSE10NE4NE3CalmW6

Tide / Current Tables for King Harbor, Santa Monica Bay, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Sat -- 03:36 AM PST     2.30 feet Low Tide
Sat -- 06:50 AM PST     Sunrise
Sat -- 09:09 AM PST     Moonset
Sat -- 09:53 AM PST     6.00 feet High Tide
Sat -- 04:45 PM PST     Sunset
Sat -- 05:21 PM PST     -0.77 feet Low Tide
Sat -- 07:26 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.22.72.42.32.73.44.35.15.865.74.83.52.10.7-0.2-0.7-0.7-0.10.91.92.83.4

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 (18,4,5,8)
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Ground Weather Radar Station Santa Ana Mtns, 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.