Thursday, June20, 2019 L-36.com


Marine Weather and Tides
Signal Hill, CA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:40AMSunset 8:07PM Thursday June 20, 2019 4:38 PM PDT (23:38 UTC) Moonrise 10:59PMMoonset 8:39AM Illumination 88% 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- 208 Pm Pdt Thu Jun 20 2019
Tonight..SW winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 1 ft at 10 seconds. Chance of rain and areas of drizzle.
Fri..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. S swell 2 ft. Chance of rain and areas of drizzle 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. W swell 2 ft at 9 seconds. S swell 2 ft.
Sat..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 17 seconds.
Sat night..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 9 seconds.
Sun..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 8 seconds.
Sun night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. S swell 2 ft at 15 seconds.
Mon..SW winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Tue..SW winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ600 208 Pm Pdt Thu Jun 20 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 20z, or 1 pm pdt, a 1031 mb high pressure center was located about 650 nm west of eureka, california and a 1002 mb thermal low was centered near las vegas, nv.


7 Day Forecast for Marine Location Near Signal Hill, CA
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location: 33.76, -118.18     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 202053
afdlox
area forecast discussion
national weather service los angeles oxnard ca
153 pm pdt Thu jun 20 2019

Synopsis 20 100 pm.

Clouds and strong onshore winds will bring a cooling trend
through Friday. For the coast and valleys, low clouds with
possible night through morning drizzle will likely struggle to
clear each afternoon through Friday. A warming trend is expected
over the weekend and into early next week as onshore winds
weaken.

Short term (tdy-sun) 20 140 pm.

June gloom pattern continues with little overall change the next
few days. The inversion has deepened over 3000' today and could be
in excess of 4000' by tomorrow as a trough passes by to the north.

So we'll likely see a repeat of the morning drizzle in many areas
with some locations, particularly in upslope areas of la county,
getting measurable rain. Models do show a little offshore trend in
the gradients so afternoon breezes may not be as strong across
the interior, but clearing will still likely be quite slow or even
non-existent for some locations.

Those offshore trends will continue Saturday through Monday and
combine with a building ridge across the eastern pacific to lower
the marine layer depth and bring some warming, mainly for inland
areas. Clouds still expected to linger near the coast through the
afternoon but clearing elsewhere should be much earlier.

Long term (mon-thu) 20 151 pm.

The warming trend will reverse Tuesday as the next trough arrives
on the west coast. A stronger onshore flow will develop through
Thursday with cooling temps pushing inland. Then warming expected
going Friday into next weekend as high pressure strengthens and
expands over the desert southwest. Models also hinting at some
northerly flow developing in the lower levels that would bring
more warming to coastal areas and possibly a reprieve in the june
gloom conditions.

Aviation 20 1832z.

At 1654z, the marine layer depth was around 2600 feet deep at
klax. The top of the inversion was near 5400 feet with a
temperature around 21 degrees celsius.

Low confidence for the coastal and valley TAF sites. The main
uncertainty is whether these sites will have any clearing this
afternoon, and it is basically a coin toss. The antelope valley,
meanwhile will haveVFR conditions, but strong gusty winds will
mar an otherwise perfect day. The coastal slopes will continue to
see plenty of mountain obscuration due to the marine clouds.

Klax... Low confidence with 18z taf. Expect persistent MVFR cigs
to linger through the afternoon hours, but there is a 40 percent
chance of afternoon clearing. Clouds will continue tonight and
Friday.

Kbur... Moderate confidence in 18z taf. Expect persistent MVFR cigs
to linger through the afternoon hours, but there is a 40 percent
chance of afternoon clearing. Clouds will continue tonight and
Friday.

Marine 20 104 pm.

Outer waters... High confidence with seas remaining below small
craft advisory (sca) thresholds through at least Friday morning.

Then a 60% chance for SCA level NW gusts across the northern
portion (pzz670) and 40% chance for (pzz673) and even lower chance
for the southern outer waters zone (pzz676). 20% chance for sca
across the outer waters this weekend.

Inner waters N and S of point conception... Winds are expected to
remain below SCA thresholds through this weekend.

Lox watches warnings advisories
Ca... Wind advisory in effect until 8 pm pdt this evening for zone
37. (see laxnpwlox).

Wind advisory in effect until 10 pm pdt this evening for zone
59. (see laxnpwlox).

Pz... None.

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

Public... Mw
aviation... Sweet kaplan
marine... Sweet
synopsis... Hall phillips
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PFXC1 2 mi50 min SW 9.9 G 14 69°F
PRJC1 2 mi50 min SW 8.9 G 11
PSXC1 2 mi50 min SW 7 G 11
BAXC1 3 mi50 min ESE 9.9 G 12
46256 4 mi38 min 66°F2 ft
PFDC1 4 mi50 min S 9.9 G 12
AGXC1 5 mi50 min SW 9.9 G 12 64°F 1014.1 hPa
PXAC1 5 mi50 min SSW 8 G 8.9
OHBC1 - 9410660 - Los Angeles, CA 6 mi56 min 65°F1014.2 hPa
46222 - San Pedro, CA (092) 12 mi45 min 67°F2 ft
46253 13 mi38 min 67°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 24 mi50 min WSW 8 G 8
46221 - Santa Monica Bay, CA (028) 25 mi38 min 67°F2 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 46 mi28 min SW 5.8 G 7.8 63°F 64°F1013.9 hPa62°F

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Long Beach, Long Beach Airport, CA5 mi45 minVar 610.00 miFair72°F55°F57%1013.5 hPa
Los Alamitos Army Airfield, CA7 mi1.7 hrsSSW 710.00 miMostly Cloudy68°F57°F68%1014.5 hPa
Torrance, Zamperini Field Airport, CA8 mi1.9 hrsW 1210.00 miMostly Cloudy66°F59°F78%1014.2 hPa
Fullerton, Fullerton Municipal Airport, CA13 mi45 minS 1010.00 miOvercast71°F57°F61%1013.1 hPa
Hawthorne, Hawthorne Municipal Airport, CA14 mi45 minWSW 810.00 miOvercast69°F57°F66%1013.6 hPa
John Wayne-Orange County Airport, CA17 mi45 minSSW 710.00 miOvercast67°F55°F68%1013.6 hPa
Los Angeles, Los Angeles International Airport, CA17 mi45 minW 1010.00 miMostly Cloudy69°F57°F66%1013.5 hPa
Los Angeles / USC Campus Downtown, CA19 mi46 minVar 310.00 miA Few Clouds72°F57°F61%1012.8 hPa
El Monte, CA24 mi1.9 hrsS 710.00 miMostly Cloudy73°F55°F53%1014.2 hPa
Santa Monica, Santa Monica Municipal Airport, CA24 mi47 minSSW 1010.00 miMostly Cloudy69°F57°F68%1013.5 hPa

Wind History from LGB (wind in knots)
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Last 24hrNW10NW10NW8NW10NW7NW5NW4SW4N3S4S5CalmS53S5S5S6SW46S5S7S10S86
1 day agoSW9S7SW6CalmNW6NW6W5CalmNW4CalmN3CalmCalmCalmS4S4S53W36S9SW11S9SW7
2 days ago5S9S4S6SW5S4S4S444S6S6S5S4S4Calm3S43S5S7S7SW8SW8

Tide / Current Tables for Long Beach, Outer Harbor, Pier A, California
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Long Beach
Click for Map
Thu -- 05:42 AM PDT     Sunrise
Thu -- 06:33 AM PDT     -0.42 feet Low Tide
Thu -- 08:40 AM PDT     Moonset
Thu -- 01:22 PM PDT     3.50 feet High Tide
Thu -- 05:37 PM PDT     2.63 feet Low Tide
Thu -- 08:06 PM PDT     Sunset
Thu -- 10:58 PM PDT     Moonrise
Thu -- 11:37 PM PDT     5.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.53.52.31.10.2-0.3-0.40.10.81.82.63.23.53.43.22.92.72.62.93.444.65

Tide / Current Tables for Cabrillo Beach, California
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Cabrillo Beach
Click for Map
Thu -- 05:42 AM PDT     Sunrise
Thu -- 06:26 AM PDT     -0.44 feet Low Tide
Thu -- 08:40 AM PDT     Moonset
Thu -- 01:20 PM PDT     3.61 feet High Tide
Thu -- 05:30 PM PDT     2.74 feet Low Tide
Thu -- 08:06 PM PDT     Sunset
Thu -- 10:58 PM PDT     Moonrise
Thu -- 11:35 PM PDT     5.26 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.44.63.52.210.1-0.4-0.40.10.91.92.73.33.63.63.332.82.833.64.24.85.2

Weather Map and Satellite Images
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wmap_P
GOES 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 (19,4,5,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.