Friday, May26, 2017 L-36.com


Marine Weather and Tides
Hacienda Heights, 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 5:41AMSunset 7:56PM Friday May 26, 2017 12:19 AM PDT (07:19 UTC) Moonrise 6:47AMMoonset 9:05PM Illumination 1% Phase: New Moon; Moon at 1 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- 829 Pm Pdt Thu May 25 2017
Tonight..SW winds around 10 kt...becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. SW swell 1 to 2 ft at 15 seconds. Isolated showers after midnight.
Fri..Winds variable 10 kt or less...becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. SW swell 1 to 2 ft at 14 seconds. Isolated showers in the morning.
Fri night..W winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. SW swell 1 to 2 ft at 14 seconds.
Sat..Winds variable 10 kt or less...becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. SW swell 1 to 2 ft at 14 seconds.
Sat night..W winds 10 to 20 kt in the evening...becoming variable 10 kt or less. Wind waves 1 to 3 ft. W swell 1 to 2 ft at 7 seconds.
Sun..Winds variable 10 kt or less...becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. W swell 1 to 2 ft at 7 seconds.
Sun night..W winds 10 to 20 kt...becoming 5 to 10 kt after midnight. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 6 seconds. Patchy fog after midnight.
Mon..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and sw 2 ft. Patchy fog.
Tue..SW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and sw 2 ft. Patchy fog.
PZZ600 829 Pm Pdt Thu May 25 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z...or 8 pm pdt...a 995 mb low was over southern nevada while a 1028 mb high was centered 700 nm west of seattle. This pattern will change little through Friday, then a 1025 mb high will form quickly 500 nm west of point conception over the weekend as a 1007 mb thermal low settles into southwest arizona.

7 Day Forecast for Marine Location Near Hacienda Heights, CA
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location: 34, -118     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 260709
afdlox
area forecast discussion
national weather service los angeles oxnard ca
1209 am pdt Fri may 26 2017

Synopsis
The low will push the marine layer... Possible precipitation and
below normal temperatures farther inland into Saturday. A high will
build in over the weekend to push the marine layer back to the coast
with above normal temperatures for early next week. Another low may
approach near midweek for increasing clouds and cooling trend.

Short term (tdy-sun)
a weak upper-level trough of low pressure currently centered over
the southern california bight will move east into the los angeles
county later tonight and into the lower colorado river basin by
Friday morning. A strong onshore flow and deep marine layer in
place will continue a cool and cloudy weather pattern into Friday.

The deep marine layer could interact with the upper-level dynamics
to squeeze out drizzle or light showers through Friday morning. A
weak warm air advective pattern does develop later tonight in the
lower levels, possibly producing light rain or rain showers
across the southland. Pops have been nudged higher for tonight and
Friday morning and mentions of isolated showers have been
expanded across the south coast basin.

A wind advisory for the san luis obispo county valleys was allowed
to expire at 9 pm this evening, but extended for the antelope
valley through 9 am Friday. There is a decent chance that this
advisory could be extended for the antelope valley through Friday
evening as strong southwest winds could linger.

The marine layer depth currently near 3700 feet deep could deepen
slightly overnight and push stratus clouds into the antelope
valley around daybreak Friday. Some clouds have been introduced
into the antelope valley for Friday morning, but there is a chance
that the cloudiness mentioned could be well underdone.

*** from previous discussion ***
with the inversion continuing to weaken tomorrow there's a chance
that we could see a reverse clearing pattern Friday where it
stays cloudy inland but clears better towards the coast.

Warming aloft will begin Saturday behind the trough passage but
the marine lyr should still be at least 3000' deep. Better
clearing expected Saturday as the ridge builds aloft and onshore
gradients weaken. Temps will warm around 5 degrees most areas.

The warming trend will continue Sunday as the ridge continues to
build over the west coast. Inland highs expected to climb around
10 degrees from Saturday's levels and coastal areas warming 2-5
degrees.

Long term (mon-thu)
warming trend to continue at least into Monday before the ridge
starts to shift east ahead of an advancing trough over the eastern
pacific. Both the GFS and ECMWF split off some energy from the
trough and develop a closed low circulation over NRN baja late
Tuesday into Wednesday. So probably one more day of either similar
or slightly warmer temps Tuesday and then cooling by Wednesday
with the upper low. Again there is no moisture with this low but
it will deepen the marine lyr and cool things off slightly for the
latter half of the week. Nothing like what we're seeing now but at
least back to near normal temps.

Aviation 25 0700z.

At 06z, the marine inversion at klax was 4500 feet deep. The top
of the inversion was 5700 feet with a temperature of 14 degrees
celsius.

Moderate confidence in respect toVFR CIGS with deep moist layer
across forecast areas W of the deserts. Lower confidence in some
MVFR CIGS possible, especially across the centralcoast and near
the foothills. Also, it's hard to maintain a deep marine layer for
a period of time. There will be a 30% chance that the moist layer
could dissolve sometime this morning. Also figuring low clouds
will scour out quicker at the coast and probably linger across
valleys and adjacent foothills today. Typical for this kind of
regime. Also known as reverse clearing. Lower confidence for
timing if low clouds redevelop tonight into sat. Low clouds should
redevelop before 06z in most coast and valley locations.

Klax and kbur... Ceilings at or below 5000 feet are expected to
persist through today. Confidence is moderate forVFR or high
MVFR CIGS to fill in again after 02z to 06z.

Marine 25 900 pm.

High confidence sub-small craft advisory conditions through
Friday. Gusty northwest winds should reform over the
weekend... With small craft advisory level winds developing from
the central coast to san nicolas island and short period seas
likely for the santa barbara channel and santa monica basin. There
is a 30 percent chance for small craft advisory conditions over
the western half of the santa barbara channel on Saturday
afternoon and evening, increasing to 60 percent on Sunday
afternoon and evening.

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

Pz... None.

Hazard potential outlook (sun-thu)
no significant hazards expected.

Public... Hall mw
aviation... Kaplan
marine... Hall
synopsis... Stu
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSXC1 20 mi50 min WSW 5.1 G 8.9
BAXC1 21 mi50 min WSW 7 G 8.9
PRJC1 21 mi50 min WSW 8 G 8.9
PFXC1 21 mi50 min W 8 G 9.9 62°F
PFDC1 22 mi50 min SW 8.9 G 8.9
PXAC1 22 mi50 min SW 8 G 9.9
46256 23 mi28 min 59°F2 ft
AGXC1 24 mi50 min W 6 G 8 61°F 1013.4 hPa
OHBC1 - 9410660 - Los Angeles, CA 24 mi50 min 58°F1013.5 hPa
ICAC1 - 9410840 - Santa Monica Pier 27 mi50 min WSW 5.1 G 6 61°F 60°F1013.5 hPa
46222 - San Pedro, CA (092) 31 mi61 min 63°F2 ft
46253 31 mi50 min 63°F2 ft
46221 - Santa Monica Bay, CA (028) 35 mi50 min 60°F3 ft

Wind History for Los Angeles Pier S, CA
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--
NE3

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
El Monte, CA6 mi4.5 hrsSW 710.00 miOvercast64°F48°F56%1011.5 hPa
Fullerton, Fullerton Municipal Airport, CA9 mi27 minN 010.00 miOvercast63°F52°F68%1013 hPa
Long Beach, Long Beach Airport, CA14 mi27 minNW 410.00 miOvercast62°F51°F67%1013.2 hPa
La Verne / Brackett, CA14 mi3.5 hrsWSW 9 G 1510.00 miA Few Clouds59°F46°F63%1012.5 hPa
Los Alamitos U. S. Army Airfield, CA15 mi82 minSSW 310.00 miOvercast62°F52°F73%1013.1 hPa
Los Angeles / USC Campus Downtown, CA15 mi33 minN 010.00 miOvercast63°F52°F68%1013 hPa
Hawthorne, Hawthorne Municipal Airport, CA19 mi27 minWSW 610.00 miOvercast62°F54°F75%1013.5 hPa
Chino, Chino Airport, CA19 mi27 minW 1010.00 miOvercast61°F51°F70%1013.2 hPa
Los Angeles, Los Angeles International Airport, CA22 mi27 minWSW 610.00 miMostly Cloudy61°F54°F78%1013.2 hPa
Corona Airport, CA22 mi24 minW 710.00 miOvercast60°F51°F72%1014.2 hPa
Ontario, Ontario International Airport, CA22 mi27 minWSW 910.00 miOvercast59°F48°F69%1012.5 hPa
Torrance, Zamperini Field Airport, CA22 mi4.5 hrsSW 610.00 miMostly Cloudy61°F50°F68%1011.5 hPa
Santa Ana, John Wayne Airport-Orange County Airport, CA23 mi27 minS 510.00 miOvercast62°F54°F75%1013.4 hPa
Santa Monica, Santa Monica Municipal Airport, CA24 mi29 minWSW 410.00 miOvercast61°F54°F78%1013.3 hPa
Burbank - Bob Hope Airport, CA24 mi27 minSSE 610.00 miOvercast59°F48°F69%1012.2 hPa

Wind History from EMT (wind in knots)
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Last 24hr----------------------N4--CalmS7Calm4SW7S6SW7SW9
G15
--SW7SW7
1 day ago----------------------CalmCalmS6CalmSW6SW7S7S8S10
G16
--SW7SW7SW6
2 days ago----------------------CalmCalm3S3SW10
G14
SW9
G18
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G16
S8SW7S8SW8SW6S7

Tide / Current Tables for Long Beach, Inner Harbor, California
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Long Beach
Click for Map
Fri -- 04:41 AM PDT     -1.50 feet Low Tide
Fri -- 05:45 AM PDT     Sunrise
Fri -- 06:48 AM PDT     Moonrise
Fri -- 11:05 AM PDT     4.12 feet High Tide
Fri -- 04:08 PM PDT     1.40 feet Low Tide
Fri -- 07:54 PM PDT     Sunset
Fri -- 09:05 PM PDT     Moonset
Fri -- 10:21 PM PDT     6.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.52.81-0.4-1.3-1.5-0.90.21.62.93.84.13.93.32.41.71.41.62.33.54.75.86.46.3

Tide / Current Tables for Long Beach, Outer Harbor, Pier A, California
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Long Beach
Click for Map
Fri -- 04:44 AM PDT     -1.50 feet Low Tide
Fri -- 05:45 AM PDT     Sunrise
Fri -- 06:48 AM PDT     Moonrise
Fri -- 11:04 AM PDT     4.12 feet High Tide
Fri -- 04:11 PM PDT     1.40 feet Low Tide
Fri -- 07:54 PM PDT     Sunset
Fri -- 09:05 PM PDT     Moonset
Fri -- 10:20 PM PDT     6.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.52.81.1-0.4-1.3-1.5-0.90.21.62.93.84.13.93.32.41.71.41.62.33.54.75.86.46.3

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 (3,6,7,8)
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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.