Sunday, February23, 2020
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Marine Weather and Tides
Rancho Palos Verdes, CA

Version 3.4
NOTICE
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 6:27AMSunset 5:45PM Sunday February 23, 2020 4:58 AM PST (12:58 UTC) Moonrise 7:51AMMoonset 6:58PM Illumination 0% Phase: New Moon; Moon at 29 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- 259 Am Pst Sun Feb 23 2020
Today..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 7 seconds.
Tonight..W winds 5 to 10 kt, becoming E after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds.
Mon..Winds variable 10 kt or less, becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 9 seconds.
Mon 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 3 ft at 9 seconds.
Tue..NE winds 5 to 10 kt, becoming N 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds.
Tue night..NW winds 5 to 10 kt, becoming N after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 11 seconds.
Wed..N winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Thu..N winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
PZZ600 259 Am Pst Sun Feb 23 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 10z, or 2 am pst, a 1013 mb surface low was located over northern arizona, with a 1033 mb high centered 700 nm W of point conception. Increasing nw winds will continue today with gales likely across the outer waters this afternoon and tonight. Winds will gradually diminish between late tonight and Tuesday morning.


7 Day Forecast for Marine Location Near Rancho Palos Verdes, CA
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location: 33.7, -118.31     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 231217 AAA AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 417 AM PST Sun Feb 23 2020

SYNOPSIS. 23/242 AM.

It will be dry with mostly clear skies and above normal maximum temperatures through mid week. It will be breezy at times during the morning hours.

SHORT TERM (TDY-TUE). 23/310 AM.

A deep moist layer has brought low clouds to almost the entirety of SLO and SBA counties (with the notable exception of the SBA south coast) While there was once quite robust cloud coverage over LA and VTA counties a north push has cleared most of those clouds out. Expect VTA county to be mostly sunny but low clouds will likely reform over areas of the LA county coasts and vlys. Offshore flow and the lack of an inversion will allow the stratus to dissipate by mid to late morning. Cannot rule out partly cloudy skies in some areas in the afternoon due to strata CU formation in the moist layer.

At the higher levels a weak ridge will push in from the East Pac and hgts will increase to 577 DM. Max temps will rise 2 to 4 degrees and up to 6 degrees in the LA county vlys.

A weak eddy will bring low clouds to the LA and VTA county coasts and portions of the LA county vlys. Northeast flow from the San Joaquin Vly will bring some low clouds into the Cuyama and SLO vlys. There will be some weak northerly winds through the mtns but nothing at advisory levels.

The low clouds will quickly dissipate Monday morning and it will be a sunny day. Ridging continues and hgts will climb to 579 DM. The weak offshore flow and increasing hgts will bring 4 to 8 degrees of warming to the area and most areas will see above normal temps.

A weak eddy will likely bring low clouds to the LA coast later Monday evening but these clouds will likely not survive to see dawn as increasing offshore flow will push them away.

A cold sfc high will build into Idaho on Tuesday it will bring moderate offshore flow both from the N and E to the area. A quick hitting Santa Ana wind event will set up. There will likely be a need for some advisories in the LA and VTA mtns and vlys and maybe the VTA coast. The offshore flow will continue to push the temps up across the csts/vly and there will be another 4 to 8 degrees of warming. This will bring the max temps for the csts/vlys into the mid and upper 70s with a smattering of lower 80s in the warmest locations.

LONG TERM (WED-SAT). 23/320 AM.

Not much change on Wednesday except the offshore flow will be a little weaker and there will likely be no need any wind advisories. There will be another couple of degrees of warming under sunny skies.

Thursday will be the warmest day as the ridge peaks in strength. Max temps across the csts and vlys will almost all be in the upper 70s to mid 80s or 10 to 15 degrees above normal.

The ridge breaks down some on Friday and some mid and high level clouds will scoot overhead. Max temps will drop a few degrees from Thursdays readings but will still be much above normal.

The ridge will be displaced by a weak trof on Saturday. The trof will bring a grip of mid and high level clouds along with it. More importantly it will flip the offshore flow to weak onshore. The combination of onshore trends, lower hgts and cloud cover will drop max temps 4 to 8 and maybe even 10 degrees from Friday's temps.

Long range mdls and ensemble forecast are indicating a chc of light rain sometime either Sunday or Sunday night.

AVIATION. 23/1217Z.

At 0930Z at KLAX, there was a moist layer up to around 4000 feet.

Low-to-moderate confidence in the current forecast. MVFR conditions are likely through at least 17Z for terminals north of Point Conception, or as late as 20Z. There is a chance of MVFR conditions at terminals south of Point Conception through 20Z. VFR conditions with ceilings at or below 5000 feet are possible between 17Z and 20Z. There is a chance of IFR to MVFR conditions at Los Angeles County coastal terminals and terminals north of Point Conception after 02Z.

KLAX . There is a 50 percent chance of MVFR conditions through 20Z. There is a slightly better chance of VFR conditions with ceilings at or below 5000 feet through 20Z. VFR conditions with any ceilings above 6000 feet are expected after 20Z. There is a 40 percent chance of MVFR conditions after 06Z. Any east winds will likely remain less than 7 knots.

KBUR . There is a 50 percent chance of MVFR conditions through 20Z. There is a slightly better chance of VFR conditions with ceilings at or below 5000 feet through 20Z. VFR conditions with any ceilings above 6000 feet are expected after 20Z.

MARINE. 23/317 AM.

For the Outer Waters, moderate-to-high confidence in the current forecast. Small Craft Advisory (SCA) level NW winds will likely continue through Monday night. There is a 50 percent chance of SCA level gusts at times around Point Conception Tuesday. There is also a 60-70 percent chance of gale force winds at times this afternoon and tonight. Winds should diminish and seas should subside below SCA levels Wednesday and Thursday.

For the inner waters north of Point Sal, moderate-to-high confidence in the current forecast. There is a 70 percent chance of SCA level winds at times this afternoon and evening. Otherwise, winds and seas are forecast to remain below SCA levels through Thursday.

For the Inner Waters south of Point Conception, moderate confidence in the current forecast. SCA level winds will likely linger through this evening across the Santa Barbara Channel. Otherwise, winds and seas are forecast to remain below SCA levels through Thursday. There is a 30 percent chance of SCA level NE wind gusts at times nearshore from Point Mugu to Santa Monica late Monday night and Tuesday morning.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until 9 AM PST Tuesday for zones 34-35. (See LAXCFWLOX). PZ . Small Craft Advisory in effect from 1 PM this afternoon to 9 PM PST this evening for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect until 9 PM PST this evening for zone 650. (See LAXMWWLOX). Small Craft Advisory in effect until 3 PM PST this afternoon for zones 670-673-676. (See LAXMWWLOX). Gale Warning in effect from 3 PM this afternoon to 3 AM PST Monday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (TUE-SAT).

There is a chance of gusty northeast winds Tuesday through Wednesday.



PUBLIC . Rorke/Stewart AVIATION . Hall MARINE . Hall SYNOPSIS . 30

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OHBC1 - 9410660 - Los Angeles, CA 2 mi64 min 62°F1022.3 hPa
AGXC1 4 mi64 min WSW 9.9 G 11
PFDC1 4 mi64 min SW 8 G 9.9
PXAC1 5 mi64 min WSW 6 G 8
46222 - San Pedro, CA (092) 6 mi35 min 60°F4 ft
46256 6 mi58 min 60°F3 ft
BAXC1 6 mi64 min S 11 G 12
PFXC1 6 mi64 min W 8 G 11
PSXC1 6 mi64 min WSW 7 G 11
PRJC1 7 mi64 min W 11 G 13
46253 11 mi58 min 60°F4 ft
46221 - Santa Monica Bay, CA (028) 20 mi62 min 60°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 24 mi64 min NNE 2.9 G 4.1 54°F 62°F1022 hPa
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 40 mi48 min WNW 12 G 14 57°F 60°F1022.3 hPa53°F

Wind History for Los Angeles Pier 400, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Long Beach, Long Beach Airport, CA12 mi65 minN 010.00 miOvercast57°F48°F74%1021.6 hPa
Los Alamitos Army Airfield, CA15 mi2 hrsSSW 310.00 miFair54°F49°F83%1021.6 hPa
Hawthorne, Hawthorne Municipal Airport, CA16 mi65 minN 010.00 miMostly Cloudy57°F48°F74%1021.8 hPa
Los Angeles, Los Angeles International Airport, CA17 mi65 minWNW 410.00 miPartly Cloudy57°F48°F74%1021.5 hPa
Fullerton, Fullerton Municipal Airport, CA21 mi65 minSW 310.00 miMostly Cloudy56°F48°F77%1021.4 hPa
Avalon Catalina Airport, CA21 mi67 minW 1010.00 miOvercast49°F45°F86%1021.8 hPa
Los Angeles / USC Campus Downtown, CA22 mi66 minN 010.00 miFair56°F46°F72%1021.4 hPa
John Wayne-Orange County Airport, CA23 mi65 minN 010.00 miA Few Clouds59°F50°F72%1021.7 hPa
Santa Monica, Santa Monica Municipal Airport, CA24 mi67 minN 010.00 miFair51°F46°F83%1021.5 hPa

Link to 5 minute data for KTOA

Wind History from TOA (wind in knots)
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Last 24hr--------------------CalmCalmW3W6Calm3S7SW5W13W10W11SW6SW5SW4
1 day ago--------------------CalmCalmCalmCalmE7E7E8E9E7E8--SE6
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2 days ago--------------------CalmCalmCalmW5W4W5W6W3W10W16W15W10W5Calm

Tide / Current Tables for Los Angeles (outer harbor), 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 Long Beach, Terminal Island, California
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Long Beach
Click for Map
Sun -- 02:44 AM PST     1.54 feet Low Tide
Sun -- 06:28 AM PST     Sunrise
Sun -- 06:50 AM PST     Moonrise
Sun -- 07:33 AM PST     New Moon
Sun -- 08:48 AM PST     5.82 feet High Tide
Sun -- 03:35 PM PST     -0.55 feet Low Tide
Sun -- 05:43 PM PST     Sunset
Sun -- 05:57 PM PST     Moonset
Sun -- 09:53 PM PST     4.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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32.21.71.622.83.94.95.65.85.44.331.50.3-0.4-0.50.11.12.33.54.24.44.1

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (7,2,3,4)
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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 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.