Friday, January24, 2020
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Marine Weather and Tides
Marina del Rey, 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 6:54AMSunset 5:17PM Friday January 24, 2020 8:47 AM PST (16:47 UTC) Moonrise 7:58AMMoonset 6:14PM 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- 834 Am Pst Fri Jan 24 2020
Today..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 12 seconds. Patchy dense fog with visibility 1 nm or less in the morning.
Tonight..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 4 to 5 ft at 13 seconds. Patchy fog after midnight.
Sat..Winds variable 10 kt or less, becoming S 10 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 13 seconds. Patchy fog in the morning.
Sat night..SW winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft at 16 seconds, subsiding to 2 to 3 ft at 15 seconds after midnight. Patchy fog after midnight.
Sun..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 15 seconds. Patchy fog in the morning.
Sun night..NW winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 5 ft.
Mon through Tue..NW winds 15 to 25 kt. Combined seas 5 to 7 ft.
PZZ600 834 Am Pst Fri Jan 24 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z or 8 am pst, a 1023 mb surface high was centered around 500 nm southwest of point conception, while a weak inverted trough was over the southern california bight. Northwest flow will increase across the northern and outer waters today with seas building. Widespread gusty winds and hazardous seas are possible early next week.


7 Day Forecast for Marine Location Near Marina del Rey, CA
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location: 33.96, -118.45     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 241216 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 416 AM PST Fri Jan 24 2020

SYNOPSIS. 24/317 AM.

High pressure will keep the area dry through Saturday, with above normal temperatures expected. A very weak cold front will bring clouds and a slight chance of rain for mainly northern areas Sunday, along with some cooling. Dry and breezy conditions are expected Monday through Thursday.

SHORT TERM (TDY-SUN). 24/346 AM.

There were a few patches of low clouds and locally dense fog on the Central Coast, in the Santa Ynez Valley and in the interior valleys of SLO County early this morning. That should dissipate by mid morning. Otherwise, some high clouds will drift across the region today, so expect a mostly sunny to partly cloudy day.

Pressure gradients were offshore this morning, and there were some locally gusty north to northeast winds in the mtns of L.A. and VTU Counties and across southern SBA County. Some of these winds could spread into the valleys for a few hours, but winds are expected to remain well below advisory levels this morning.

Although heights/thicknesses will rebound this afternoon after dropping slightly due to a weak fast-moving short wave trough passing across the region, they will not be quite as high as they were on Thu. In addition, W-E gradients are forecast to become neutral or possibly even turn very weakly onshore this afternoon. This may bring a couple of degrees of cooling to most area west of the mountains today, though it will likely be barely noticeable if it occurs, and temps should still be above normal.

Increasing N-S gradients across the Central Coast and through the Interstate 5 Corridor, along with some increase in northerly winds aloft and some subsidence, should cause a bump up in northerly winds across southern SBA county and through the Interstate 5 Corridor tonight. Winds will likely get very close to advisory levels in these areas this evening, before decreasing late tonight. A positively tilted upper ridge will linger across the region on Saturday. The WRF hints that some low clouds may try to form late tonight/Sat morning across southern L.A. County, but that it far from a sure thing. Low level gradients between KLAX and KDAG will turn a bit more offshore by Sat morning, so there could be some gusty NE winds in the mtns and valleys of L.A and VTU Counties, but well below advisory levels. Max temps could edge upward a bit on Sat, but the models all show more in the way of thick upper level cloudiness which could knock a few degrees off max temp potential.

The ridge across the region will shift to the east Sat night and Sunday as a weak trough moves into the West Coast. The WRF shows a more organized stratus field developing Sat night, with stratus likely pushing into at least most coastal areas south of Point Conception, and possibly getting into the valleys late Sat night and Sun morning. Otherwise, mid and high level clouds associated with the tail end of a weakening frontal system will move into areas north of Pt Conception Sat night and Sun morning. It really looks as though the only change of light rain from this system will be across SLO and possibly northern SBA Counties Sun morning into early Sun afternoon.

Behind the frontal system, sharpening N-S gradients, subsidence, cold air advection and decent northwest flow aloft should bring some gusty northwest to north winds to the region late Sun into Sun night, likely reaching advisory levels in some areas, particularly in the mtns, and across southern SBA County.

Skies should become partly cloudy in most areas late Sunday afternoon and Sun night, but moist northwest to north flow could allow clouds and possibly a few showers to linger on northern slopes of the mtns thru Sun night. It will be much cooler across the region on Sunday.

LONG TERM (MON-THU). 24/410 AM.

A ridge will build into the region on Monday, then it will briefly flatten Tue as a trough passes by to the north. Following that, strong upper level ridging will build into the West Coast for Wed and Thu. Dry weather is expected through the period. Strong northwest to north flow is expected for much of the week, with advisory level winds (at least) likely at times through the I-5 Corridor and across southern SBA County. There will be some warming in most areas on Mon, with little change on Tue, then significant warming is likely Wed and Thu.

AVIATION. 24/1209Z.

At 11Z, there was no marine layer at KLAX.

VFR conditions are generally expected through the period. There is a chance of LIFR conditions at terminals north of Point Conception through 17Z. There is a chance of LIFR to IFR conditions after 06Z for Los Angeles County coastal terminals. There is a chance of moderate wind shear and turbulence after 00Z.

KLAX . VFR conditions are expected through 08Z, then there is a 40 percent chance of LIFR to IFR conditions after 08Z. There is a 30 percent chance of moderate wind shear and turbulence between 03Z and 07Z.

KBUR . VFR conditions are expected through the period. There is a 40 percent chance of moderate wind shear and turbulence between 00Z and 08Z.

MARINE. 24/415 AM.

For the Outer Waters, high confidence in the current forecast. Small Craft Advisory (SCA) level northwest winds and building seas above SCA level of 10 feet are very likely by this evening. Conditions will remain at SCA levels through the forecast period. There is a 50 percent chance of gale force winds Monday and Tuesday.

For the Inner Waters north of Point Sal, moderate-to-high confidence in the current forecast. Marginal SCA level winds could develop this afternoon and evening, but SCA level seas will be very likely by late this evening. A brief break in SCA level winds and seas could develop late Saturday night through Sunday morning, but there is a 70 percent chance of SCA conditions Sunday afternoon through Tuesday.

For the Inner Waters south of Point Conception, moderate-to-high confidence in the current forecast. There is a 50 percent chance of SCA level winds on Friday evening across the Santa Barbara Channel. There is a 70 percent chance of SCA level west to northwest winds and SCA level seas in excess of 7 feet Sunday afternoon through Tuesday.

BEACHES. 24/401 AM.

A HIGH SURF ADVISORY has been issued for all beaches between Saturday and Sunday morning. Surf and swell will increase throughout today along the Central Coast, then build into the southern California tonight. While there is a period where surf and swell could drop off between Sunday morning and Sunday night, there is a 40 percent chance that the advisory could be extended into Tuesday. Larger surf is possible between late Sunday night through Tuesday.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect from 6 PM this evening to 3 AM PST Sunday for zones 34-35. (See LAXCFWLOX). High Surf Advisory in effect from 6 AM Saturday to noon PST Sunday for zone 39. (See LAXCFWLOX). High Surf Advisory in effect from 10 PM this evening to noon PST Sunday for zones 40-41-87. (See LAXCFWLOX). PZ . Small Craft Advisory in effect from 3 PM this afternoon to 9 PM PST Saturday for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PST Monday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (SUN-THU).

There is the possibility of gusty north winds on Monday through at least Wednesday, especially through the Santa Ynez Range and the Interstate 5 Corridor.



PUBLIC . DB AVIATION . Hall MARINE . Hall BEACHES . Hall SYNOPSIS . DB

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 4 mi48 min 57°F 59°F1016.9 hPa (+0.6)
46221 - Santa Monica Bay, CA (028) 12 mi52 min 61°F3 ft
BAXC1 17 mi60 min Calm G 1
PXAC1 17 mi60 min NNW 2.9 G 4.1
PSXC1 18 mi60 min Calm G 1.9
OHBC1 - 9410660 - Los Angeles, CA 19 mi48 min 61°F1017 hPa (+0.5)
PFDC1 19 mi78 min WSW 1.9 G 1.9
PFXC1 19 mi60 min NNW 2.9 G 2.9
AGXC1 20 mi60 min NW 2.9 G 2.9
PRJC1 21 mi60 min WNW 1.9 G 2.9
46256 22 mi48 min 59°F2 ft
46222 - San Pedro, CA (092) 25 mi55 min 61°F3 ft
46253 30 mi48 min 60°F2 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 35 mi38 min NW 5.8 G 7.8 60°F 60°F1016.9 hPa57°F

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles, Los Angeles International Airport, CA3 mi55 minN 010.00 miPartly Cloudy58°F43°F58%1016.4 hPa
Santa Monica, Santa Monica Municipal Airport, CA5 mi57 minN 010.00 miFair52°F43°F72%1016.5 hPa
Hawthorne, Hawthorne Municipal Airport, CA6 mi55 minN 010.00 miFair54°F45°F72%1016.7 hPa
Los Angeles / USC Campus Downtown, CA10 mi56 minN 010.00 miFair54°F43°F67%1016.4 hPa
Torrance, Zamperini Field Airport, CA13 mi1.9 hrsN 010.00 miPartly Cloudy48°F44°F87%1016.3 hPa
Burbank - Bob Hope Airport, CA17 mi55 minN 010.00 miFair51°F35°F54%1015.7 hPa
Van Nuys, Van Nuys Airport, CA17 mi57 minN 010.00 miFair50°F39°F68%1016.1 hPa
Long Beach, Long Beach Airport, CA18 mi55 minN 08.00 miFair51°F46°F86%1016.5 hPa
Los Angeles, Whiteman Airport, CA21 mi48 minN 010.00 miClear55°F32°F41%1017.6 hPa
El Monte, CA24 mi63 minN 010.00 miFair48°F41°F76%1016.9 hPa
Los Alamitos Army Airfield, CA24 mi50 minN 010.00 miFair47°F45°F95%1016.9 hPa

Link to 5 minute data for KLAX

Wind History from LAX (wind in knots)
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Last 24hrW4W3SW6W6W9W12W9W10W8SW8SW6SW4CalmCalmS3CalmCalmCalmSE3E5E5CalmCalmCalm
1 day agoSE5E5CalmSW3W8W95SW6SW6W7W7NW4CalmCalmS3CalmNE4CalmE4CalmNE4CalmNW4NW4
2 days agoSW6SW6SW6W7W11SW10W10W13W14W9W8W12W11W6SW5CalmCalmCalm3CalmNE5NE4E3NE5

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Fri -- 02:26 AM PST     1.98 feet Low Tide
Fri -- 06:55 AM PST     Sunrise
Fri -- 06:57 AM PST     Moonrise
Fri -- 08:36 AM PST     6.04 feet High Tide
Fri -- 01:44 PM PST     New Moon
Fri -- 03:48 PM PST     -0.98 feet Low Tide
Fri -- 05:14 PM PST     Moonset
Fri -- 05:16 PM PST     Sunset
Fri -- 10:18 PM PST     3.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.422.12.53.44.45.35.965.44.32.91.30.1-0.8-1-0.50.41.52.63.43.83.7

Tide / Current Tables for Los Angeles Harbor, Mormon Island, California
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Los Angeles Harbor
Click for Map
Fri -- 02:15 AM PST     2.06 feet Low Tide
Fri -- 06:54 AM PST     Sunrise
Fri -- 06:56 AM PST     Moonrise
Fri -- 08:27 AM PST     6.19 feet High Tide
Fri -- 01:44 PM PST     New Moon
Fri -- 03:37 PM PST     -1.02 feet Low Tide
Fri -- 05:14 PM PST     Moonset
Fri -- 05:15 PM PST     Sunset
Fri -- 10:09 PM PST     3.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.42.12.22.73.64.75.66.16.15.44.22.71.1-0.2-0.9-1-0.40.51.72.83.63.93.7

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (11,2,3,4)
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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.