Friday, April10, 2020
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Marine Weather and Tides
East Rancho Dominguez, 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 6:25AMSunset 7:21PM Friday April 10, 2020 10:39 AM PDT (17:39 UTC) Moonrise 10:43PMMoonset 8:29AM Illumination 92% 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- 907 Am Pdt Fri Apr 10 2020
Today..NE winds 10 to 15 kt, becoming W in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 3 ft at 15 seconds. Showers in the morning, then chance of showers.
Tonight..W winds 10 to 15 kt, becoming variable 10 kt or less after midnight. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 3 ft at 14 seconds. Slight chance of showers in the evening. Patchy fog after midnight.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 2 ft at 14 seconds.
Sat night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 13 seconds.
Sun..W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 13 seconds.
Sun night..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds.
Mon..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Tue..NW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ600 907 Am Pdt Fri Apr 10 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z, or 9 am pdt, a 1015 mb low pressure system was centered around 50 nm S of los angeles. This low will slowly move se into southeast california by Saturday. Gusty nw winds will fill in behind the system this afternoon.


7 Day Forecast for Marine Location Near East Rancho Dominguez, CA
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location: 33.9, -118.21     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 101538 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 838 AM PDT Fri Apr 10 2020

SYNOPSIS. 10/100 AM.

The showers will mostly be confined to LA and portions of Ventura county today. Snow will fall above 5000 feet. The showers will diminish this afternoon and end tonight. Maximum temperatures will be well below normal today. It will be dry with a slight warming trend for the weekend.

SHORT TERM (TDY-SUN). 10/838 AM.

This endless upper low is centered almost directly over Long Beach this morning with plenty of showers wrapping around it from the northeast. Solid light precip coverage in LA and eastern Ventura Counties but much less west of that and dry with plenty of sunshine in most of SLO County. Updated the forecast this morning to increase pops in LA/Ventura counties and keep higher pops going into the evening in eastern LA County, especially the mountains which should see light accumulating snow for at least a couple hours after sunset. Overall low impact precip but adding to already very impressive totals for April.

***From Previous Discussion***

Any lingering showers over eastern LA county will end this evening and there will be a return to more normal April weather. A marine layer stratus deck will likely develop over the waters and some of the coasts due to the residual moisture and onshore flow.

Northerly slightly anticyclonic flow will set up over the area on Saturday aside from any morning stratus is will be a mostly sunny to partly cloudy day. The higher hgts will allow max temps will rise 1 to 3 degrees and will approach normals. Most coastal and vly sites will see max temps in the mid to upper 60s with one or 2 70 degree readings thrown in.

On Saturday night the upper flow will become more cyclonic and more importantly there will be a huge jump in the onshore flow. Together these two items will produce a very deep marine layer and low clouds will extend from the beaches to the coastal slopes. There might be some drizzle as well esp near the foothills. Its likely there will not be much clearing as the very deep marine layer will likely cook up into strata cu deck covering more than half of the sky. The axis of a very weak trof grazes the eastern side of LA county - enough ensemble members support the idea of a few showers to warrant a slight chc of showers over the eastern San Gabriels during the afternoon and early evening. The deep marine layer and increased onshore flow will bring about 3 to 6 degrees of cooling across the coasts and vlys.

LONG TERM (MON-THU). 10/320 AM.

California will be on the west end of a CONUS spanning trof Monday through Wednesday. The state will be under dry slightly cyclonic NW flow. There moderate onshore flow will likely bring another deep night through morning stratus deck to the coasts and vlys. Offshore trends will reduce or eliminate the marine layer clouds Tue and Wed. Max temps will not change much from Sun on Mon but will warm substantially on Tuesday and them even more on Wednesday. Many max temps will be above normal on Tuesday breaking the 13 day streak of below normal temps. Wednesday will be the warmest day of the next 7 with max temps 3 to 6 degrees above normal and chc of a couple 80 degree readings in the vlys.

Onshore flow strengths again on Thursday and this will lead to 3 to 6 degrees of cooling.

Both the GFS and EC show another upper low moving into the area next Friday but neither is too bullish on any precip chcs assoc with the low.

AVIATION. 10/1206Z.

At 12Z at KLAX . there was no marine layer or inversion.

Moderate to high confidence in 12Z TAFs north of Point Conception. A moist atmosphere and calm winds this morning may lead to a chance of patchy fog developing early this morning. High confidence in IFR/LIFR conditions at KPRB through 16Z-18Z. Moderate confidence in IFR conditions developing at KSBP 13Z-15Z. High confidence in VFR conditions after 17Z.

Moderate confidence in 12Z TAFs south of Point Conception. -RA will continue over LA County through the afternoon and will likely taper off over Ventura County by 18Z. Conditions will likely bounce between VFR and MVFR periodically during rain. There is a 20% chance that conditions may briefly fluctuate to IFR during heavier showers. VFR conditions will become likely everywhere after 23Z.

KLAX . Moderate confidence in 12Z TAF. -RA likely to continue through at least 21Z. Cigs will likely bounce between VFR and MVFR during rain. Low confidence in timing of those fluctuations, with a 20% chance of occasional IFR with any heavier RA. East winds up to 8 kt are likely through 18Z, with a 30% chance they will be 10 kt or more.

KBUR . Moderate confidence in 12Z TAF. -RA likely to continue through at least 20Z. Cigs will likely bounce between VFR and MVFR during rain. Low confidence in timing of those fluctuations, with a 20% chance of occasional IFR with any heavier RA.

MARINE. 10/305 AM.

Gusty east to southeast winds will continue over much of the coastal waters through this morning. There is a chance that gusts could exceed Small Craft Advisory (SCA) level at times in some locations south of Point Conception, especially over the SBA Channel and the Santa Monica Basin.

Gusty NW winds are expected to fill in behind the storm system this afternoon. There is a 70 percent chance of SCA level winds this evening through Sunday over the outer waters off the Central Coast to San Nicolas Island. SCA winds could return Sunday night and persist through the middle of next week.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Winter Weather Advisory in effect until 11 AM PDT this morning for zone 53. (See LAXWSWLOX). Winter Storm Warning in effect until 8 PM PDT this evening for zone 54. (See LAXWSWLOX). PZ . Small Craft Advisory in effect from 3 PM this afternoon to 3 AM PDT Sunday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (SUN-THU).

No significant hazards expected.



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

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSXC1 9 mi51 min ENE 9.9 G 15
BAXC1 9 mi105 min NE 6 G 9.9
PXAC1 10 mi123 min ENE 8 G 11
PFXC1 11 mi51 min ENE 7 G 13
PFDC1 12 mi105 min NNE 11 G 13
PRJC1 12 mi51 min ENE 13 G 14
AGXC1 13 mi105 min NE 13 G 15
OHBC1 - 9410660 - Los Angeles, CA 13 mi57 min 62°F1016 hPa
46256 14 mi39 min 60°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 17 mi51 min NNE 7 G 8.9 55°F 60°F1016.4 hPa
46222 - San Pedro, CA (092) 20 mi46 min 59°F3 ft
46253 22 mi41 min 59°F3 ft
46221 - Santa Monica Bay, CA (028) 23 mi43 min 59°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 46 mi29 min NE 14 G 18 55°F 59°F1016.3 hPa50°F

Wind History for Los Angeles Badger Avenue Bridge, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Long Beach, Long Beach Airport, CA6 mi46 minENE 1210.00 miMostly Cloudy56°F48°F75%1015.5 hPa
Hawthorne, Hawthorne Municipal Airport, CA7 mi46 minVar 410.00 miLight Rain55°F46°F74%1015.9 hPa
Torrance, Zamperini Field Airport, CA9 mi1.9 hrsN 010.00 miMostly Cloudy52°F51°F100%1015.9 hPa
Los Angeles / USC Campus Downtown, CA9 mi47 minENE 410.00 miLight Rain55°F46°F72%1015.8 hPa
Los Angeles, Los Angeles International Airport, CA10 mi46 minENE 138.00 miOvercast56°F46°F72%1015.8 hPa
Los Alamitos Army Airfield, CA11 mi1.7 hrsENE 1110.00 miMostly Cloudy53°F47°F81%1015.5 hPa
Fullerton, Fullerton Municipal Airport, CA12 mi46 minENE 11 G 1610.00 miLight Rain56°F46°F70%1015.5 hPa
El Monte, CA16 mi54 minENE 610.00 miRain54°F46°F77%1016.3 hPa
Santa Monica, Santa Monica Municipal Airport, CA16 mi48 minNE 710.00 miLight Rain55°F46°F74%1015.9 hPa
Burbank - Bob Hope Airport, CA22 mi46 minN 010.00 miLight Rain51°F44°F77%1015.2 hPa
John Wayne-Orange County Airport, CA24 mi46 minNNE 410.00 miMostly Cloudy61°F46°F60%1015.3 hPa

Link to 5 minute data for KLGB

Wind History from LGB (wind in knots)
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Last 24hrE8E6SE4S4S4S3E6E5E4E5E6NE5E4E3NE5E8NE7NE7NE7NE7NE4E5E7NE12
1 day agoNW7CalmSW7SW7S9SW10SW11SW10SW7S3SE4CalmNE3E6E5NE3NE5NE5NE7NE6E5NE5NE5E6
2 days agoCalmE5SW44SE4SE4NE4W10W11
G21
W11NW8NW3CalmS3CalmCalmCalmCalmCalmN3CalmCalmS4NW10

Tide / Current Tables for Long Beach, Inner Harbor, California
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Long Beach
Click for Map
Fri -- 05:55 AM PDT     -0.81 feet Low Tide
Fri -- 06:27 AM PDT     Sunrise
Fri -- 08:29 AM PDT     Moonset
Fri -- 12:12 PM PDT     4.02 feet High Tide
Fri -- 05:32 PM PDT     1.19 feet Low Tide
Fri -- 07:20 PM PDT     Sunset
Fri -- 10:43 PM PDT     Moonrise
Fri -- 11:47 PM PDT     5.61 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.54.63.31.70.4-0.5-0.8-0.40.51.62.83.643.93.32.51.71.31.21.72.63.74.75.4

Tide / Current Tables for Long Beach, Middle Harbor, California
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Long Beach
Click for Map
Fri -- 05:50 AM PDT     -0.86 feet Low Tide
Fri -- 06:27 AM PDT     Sunrise
Fri -- 08:29 AM PDT     Moonset
Fri -- 12:07 PM PDT     4.23 feet High Tide
Fri -- 05:27 PM PDT     1.25 feet Low Tide
Fri -- 07:20 PM PDT     Sunset
Fri -- 10:43 PM PDT     Moonrise
Fri -- 11:42 PM PDT     5.90 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.84.83.31.70.3-0.6-0.8-0.40.61.833.94.243.42.51.81.31.31.92.845.15.7

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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Wind Forecast for Los Angeles/Oxnard, CA (13,3,4,5)
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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.