Wednesday, May24, 2017 L-36.com


Marine Weather and Tides
El Segundo, CA

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:44AMSunset 7:56PM Wednesday May 24, 2017 8:17 PM PDT (03:17 UTC) Moonrise 5:09AMMoonset 6:49PM 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- 208 Pm Pdt Wed May 24 2017
Tonight..W winds 10 to 15 kt...becoming variable 10 kt or less after midnight. Wind waves 1 to 3 ft. Mixed swell W 2 ft at 12 seconds and S 2 ft at 13 seconds.
Thu..Winds variable 10 kt or less...becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 12 seconds and S 2 ft at 13 seconds.
Thu night..SW winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and sw 2 ft at 15 seconds.
Fri..Winds variable 10 kt or less...becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 1 to 2 ft at 10 seconds.
Fri night..SW winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 1 to 2 ft at 10 seconds. SW swell 1 to 2 ft.
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 10 seconds and sw 2 ft at 14 seconds.
Sat night..NW winds 10 to 15 kt...becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 1 to 2 ft at 9 seconds. Patchy fog after midnight.
Sun..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 1 to 2 ft. Patchy fog.
Mon..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 1 to 2 ft. Patchy fog.
PZZ600 208 Pm Pdt Wed May 24 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z...or 2 pm pdt...high pressure was over the eastern pacific and a 998 mb low was located near las vegas.

7 Day Forecast for Marine Location Near El Segundo, CA
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location: 33.91, -118.43     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 250057
afdlox
area forecast discussion... Updated
national weather service los angeles oxnard ca
557 pm pdt Wed may 24 2017

Synopsis
An approaching low pressure system will spread marine layer clouds
and below normal temperatures farther inland tonight through Saturday.

There is a chance of drizzle tonight into early Thursday... And
again Thursday night into Friday. A ridge of high pressure will
build over the area this weekend... And a warming trend will bring
temperatures back to near or above normal by early next week. In
addition, the marine layer clouds will be confined to near-coastal
areas.

Short term (wed-sat)
high level moisture moving through the area today, mainly sb slo
counties, and so far no signs of any convection as moisture is
just too high based. Plenty of virga has been reported and visible
on area web cams but it's too dry in the lower levels for any
precipitation to reach the surface.

The upper low will be picked up by the trough passing through the
western us and canada and dragged slowly into and through ca
Friday. This will continue and accelerate the deepening marine
lyr trend that began today, with clouds pushing well up the
coastal slopes each night and morning. While drizzle is possible
thu, the best chance appears to be Friday as the low moves through
with a little bit of upper level energy. In fact, drizzle could
actually be in the form of measurable light rain up along the
coastal slopes of the san gabriel mtns. Clearing will be slow to
non-existent and temps will be several degrees below norms. Gusty
low end advisory level winds expected in the antelope valley
through Friday as well.

With the trough axis moving through Friday night there should be
much earlier and complete clearing of the marine lyr Saturday.

Highs expected to be a few degrees warmer though still below
normal.

Long term (sun-wed)
a high amplitude upper ridge will develop along the west coast
Sunday and Monday. At the same time onshore flow will be weakening
and daytime temps are expected to climb to several degrees above
normal by Monday. Another weak upper low is expected to undercut
the ridge Tue Wed forcing a deepening of the marine lyr and cooler
temps.

Aviation 25 0000z.

At 00z, the marine layer depth at klax was near 1700 feet. The
top of the inversion was around 3200 feet with a temperature of 21
degrees celsius.

Moderate confidence in the current forecast. Ifr to MVFR
conditions will likely spread into most coastal and valley
terminals through 08z. Ifr conditions are likely in any drizzle,
mainly between 07z and 16z. MVFR conditions will likely linger
through much of the day at coastal and valley terminals.

Klax... There is a 80 percent chance of MVFR conditions throughout
the period. Between 03z and 15z, there is a 60 percent chance of
ifr conditions in drizzle. After 20z, there is a 30 percent chance
thatVFR conditions could develop; however, ceilings at or below
5000 feet will likely persist. South winds around 10 knots are
possible between 13z and 17z.

Kbur... Ifr to MVFR conditions will likely spread into kbur between
04z and 08z. There is a 60 percent chance of ifr conditions in
drizzle between 07z and 15z. After 20z, there is a 40 percent chance
thatVFR conditions could develop; however, ceilings at or below
5000 feet will likely persist.

Marine 24 200 pm.

For the outer waters, high confidence in current forecast. Winds
and seas will remain below small craft advisory (sca) levels
through Friday. On Friday and Saturday, winds will likely increase
to SCA levels.

For the inner waters, high confidence in current forecast. For the
waters north of point sal, winds and seas will remain below sca
levels through Friday, but will likely increase to SCA levels
Saturday and Sunday. For the waters south of point conception,
winds and seas will remain below SCA levels through Sunday.

Lox watches warnings advisories
Ca... Wind advisory in effect until 9 pm pdt this evening for zone
59. (see laxnpwlox).

Pz... None.

Hazard potential outlook (sat-wed)
no significant hazards expected.

Public... Mw
aviation... Hall
marine... Sweet
synopsis... Smith
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 8 mi47 min WSW 8 G 8.9 59°F 66°F1009.7 hPa
46221 - Santa Monica Bay, CA (028) 11 mi47 min 61°F3 ft
PXAC1 13 mi47 min SSW 4.1 G 6
BAXC1 14 mi47 min WSW 7 G 8.9
PSXC1 15 mi47 min SW 9.9 G 11
PFXC1 16 mi47 min WSW 8.9 G 14 60°F
PFDC1 16 mi47 min SW 12 G 14
OHBC1 - 9410660 - Los Angeles, CA 16 mi47 min 58°F1009.6 hPa
AGXC1 17 mi47 min WSW 12 G 14 58°F 1009.6 hPa
PRJC1 18 mi47 min W 15 G 17
46256 19 mi55 min 59°F3 ft
46222 - San Pedro, CA (092) 21 mi58 min 63°F3 ft
46253 26 mi47 min 63°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 35 mi37 min W 12 G 16 58°F 63°F1009.4 hPa54°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 mi24 minW 910.00 miMostly Cloudy59°F53°F81%1009.5 hPa
Hawthorne, Hawthorne Municipal Airport, CA5 mi24 minWSW 710.00 miA Few Clouds60°F53°F78%1009.6 hPa
Santa Monica, Santa Monica Municipal Airport, CA8 mi26 minSW 710.00 miOvercast60°F54°F80%1009.5 hPa
Torrance, Zamperini Field Airport, CA9 mi29 minWSW 810.00 miA Few Clouds57°F51°F82%1009.5 hPa
Los Angeles / USC Campus Downtown, CA11 mi30 minVar 310.00 miA Few Clouds62°F54°F75%1009 hPa
Long Beach, Long Beach Airport, CA16 mi24 minWNW 810.00 miFair61°F51°F70%1009.3 hPa
Burbank - Bob Hope Airport, CA20 mi24 minS 810.00 miFair61°F52°F72%1007.6 hPa
Van Nuys, Van Nuys Airport, CA21 mi26 minSE 910.00 miFair62°F52°F70%1007.8 hPa
Los Alamitos U. S. Army Airfield, CA22 mi79 minSW 910.00 miFair64°F53°F69%1009.3 hPa
Los Angeles, Whiteman Airport, CA24 mi22 minSSE 810.00 miClear63°F51°F68%1009.8 hPa
Fullerton, Fullerton Municipal Airport, CA24 mi24 minno data10.00 miFair64°F54°F70%1008.9 hPa

Wind History from LAX (wind in knots)
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Last 24hrSW5W4SW5W4SW5W8SW6W4CalmSW3W7SW7SW6SW5S4W10W8W9W15W14W14W13W9W9
1 day agoW8W7W6W6W6NW4CalmCalmCalmSW5W6CalmE3W9W16W15W16W12W10W9W15W18W12W10
2 days agoW8W7SW4SW6W7W5W4SW4CalmW4CalmW6W5W53W10W10W12W11W13W13W13W8W9

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
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Wed -- 03:14 AM PDT     -0.74 feet Low Tide
Wed -- 05:08 AM PDT     Moonrise
Wed -- 05:46 AM PDT     Sunrise
Wed -- 09:26 AM PDT     4.21 feet High Tide
Wed -- 02:48 PM PDT     0.89 feet Low Tide
Wed -- 06:48 PM PDT     Moonset
Wed -- 07:54 PM PDT     Sunset
Wed -- 09:05 PM PDT     6.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.40.9-0.2-0.7-0.50.21.42.63.64.24.13.62.71.71.10.91.32.33.64.95.96.465

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Wed -- 03:05 AM PDT     -0.74 feet Low Tide
Wed -- 05:08 AM PDT     Moonrise
Wed -- 05:46 AM PDT     Sunrise
Wed -- 09:17 AM PDT     4.36 feet High Tide
Wed -- 02:38 PM PDT     0.96 feet Low Tide
Wed -- 06:48 PM PDT     Moonset
Wed -- 07:55 PM PDT     Sunset
Wed -- 08:55 PM PDT     6.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.20.7-0.3-0.7-0.50.41.62.93.94.34.23.62.61.71.111.52.645.36.36.66.15

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of Southwest    EDIT
Geos

Wind Forecast for Los Angeles/Oxnard, CA (23,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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weather_mapweather_map weather_map

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Disclaimer:
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.