Thursday, March30, 2017 L-36.com


Marine Weather and Tides
East Rancho Dominguez, CA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:41AMSunset 7:13PM Wednesday March 29, 2017 11:44 PM PDT (06:44 UTC) Moonrise 8:01AMMoonset 9:15PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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- 859 Pm Pdt Wed Mar 29 2017
Tonight..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 4 ft at 15 seconds.
Thu..Winds variable 10 kt or less...becoming W 15 to 20 kt with local gusts to 25 kt in the afternoon. Strongest western portion. Wind waves 2 ft or less...becoming 2 to 4 ft in the afternoon. W swell 3 to 4 ft at 14 seconds.
Thu night..NW winds 15 to 25 kt with local gusts to 35 kt. Strongest western portion. Combined seas 5 to 7 ft dominant period 10 seconds.
Fri..N winds 15 to 20 kt with local gusts to 25 kt...becoming W 10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves 2 to 4 ft. W swell 4 to 6 ft at 11 seconds.
Fri night..NW winds 10 to 20 kt in the evening...becoming variable 10 kt or less. Wind waves 2 to 3 ft. W swell 4 to 6 ft at 12 seconds.
Sat..N winds 5 to 10 kt with gusts to 25 kt...becoming W in the afternoon. Wind waves 2 to 4 ft in the morning...becoming 2 ft or less. W swell 3 to 5 ft at 12 seconds...subsiding to 2 ft at 12 seconds in the afternoon.
Sat night..W winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 12 seconds and S 2 ft at 15 seconds.
Sun..SW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Mon..W winds 10 to 20 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft.
PZZ600 859 Pm Pdt Wed Mar 29 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 pst...a 1029 mb high was located 600 nm west of point conception. Winds will be elevated during much of this coming week. Gales will likely return again Thursday and Friday. Short period seas will dominate the waters due to persistent northwest winds.

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 300340
afdlox
area forecast discussion
national weather service los angeles/oxnard ca
840 pm pdt Wed mar 29 2017

Synopsis
A trough of low pressure will bring cooler conditions for
Thursday and Friday with another round of gusty northerly winds. A
brief warmup is likely this weekend with ridge of high pressure
nosing into the region, before another trough brings cooler and
breezy conditions early next week.

Short term (tonight-sat)
mostly clear skies with a few hi clouds were noted across the
forecast area early this evening. There may be a few clouds
developing on the N mtn slopes later tonight, otherwise the mostly
clear skies will continue overnight. Gusty NW winds will persist
over the mtns and antelope vly thru the evening, with gusty N winds
across the sba county mtns and S coast below and thru the passes and
canyons.

Upper level ridging over SRN ca this evening will weaken quickly
tonight while an upper level trof moves into NRN ca. This upper
trof is forecast to be an inside slider and move inland to eastern
ca and nv while deepening into an upper level low over nv on thu.

The upper low will move SE into az Thu night and fri, and E into new
mexico Fri night and sat. An upper level ridge will build off the ca
coast Thu thru fri, then begin to expand into ca on sat. A strong
northerly flow aloft and at lower levels will prevail Thu night into
fri over swrn ca.

Some cloudiness will be possible on the N mtn slopes on thu,
otherwise mostly sunny to partly cloudy skies are expected across
the region. Gusty NW to N winds will begin to increase thu
afternoon in response to the position of the inside slider and the
passage of a weakening cold front. Northerly gradients will increase
thru Thu evening, along with 850 mb winds (up to 55 kt) and 950 mb
winds (up to 30 kt). In addition, decent cold air advection will
prevail Thu night. These conditions will bring strong and gusty nw
to N winds to much of the mtns, antelope vly, and sba county S coast
thu night into Fri morning. Wind gusts up to 80 mph will be possible
at the peak of the wind event Thu night over the l.A./vtu county
mtns, up to 60 mph for the antelope vly Thu afternoon and evening,
and up to 65 mph Thu night for the sba county mtns, especially thru
the passes and canyons. There is also the chance for peak gusts up
to 60 mph in the santa monica mtns Thu night into Fri morning, but
the latest NAM forecast winds just below warning thresholds. High
wind watches have already been issued for these areas. Strong and
gusty N winds will likely also affect the santa clarita vly,
portions of the vtu county vlys, san fernando vly, foothills of the
san gabriel vly, and l.A. County coast from malibu to hollywood
hills, and possibly from santa monica to lax Thu night into fri
morning. Wind advisories will likely be needed for these areas.

Gradients will turn more northeasterly Fri night, with a round of
gusty NE winds expected in the favored areas of vtu/l.A. Counties
fri night into Sat morning, possibly to advisory levels in some
areas.

Needless to say, mostly clear skies are expected across the region
thu night thru Sat thanks to the offshore flow. Temps will turn
quite a bit cooler Thu and fri, but should still be near or slightly
above normal, with highs in the warmest vlys and inland coastal
areas reaching the mid 70s to near 80. Temps will warm to several
degrees above normal for most areas Sat with highs in the warmest
vlys and inland coastal areas reaching the upper 70s to mid 80s.

***from previous discussion***

Long term (sun-wed)
another pretty warm day Sunday, though likely a few degrees cooler
especially for coastal areas as offshore flow weakens. Models
continue to bounce around a little bit with the Monday trough.

Though virtually all solutions now are dry, the big question
remains how far south the trough will dig and whether we'll see
another burst of strong north winds late Monday into Tuesday.

Either way we should see another few degrees of cooling Monday,
then warming Tuesday/Wednesday as a ridge of high pressure
develops along the west coast and gradients turn weakly offshore.

Aviation 29/2355z
at 2255z, the inversion at klax was 100 ft deep. The top of the
inversion was at 1200 ft with a temperature of 22 deg c.

Generally hi confidence in the 00z tafs.VFR conditions are expected
at all the airfields thru thu, except there should be a period of
ifr/MVFR vsbys at kpmd and kwjf aft about 21z Thu due to blowing
dust. There is, however, the slight chance (20 percent) of low
clouds with ifr CIGS developing around klax and klgb aft about 12z
thru mid morning thu. Gusty NW winds will affect ksbp and ksmx thu
afternoon, with gusty W winds at koxr, kcma and klax, and gusty n
winds at kvny. Very strong W winds can be expected at kpmd and kwjf
late Thu morning thru the afternoon, with gusts up to 50 kt
expected, contributing to the reduced vsbys in blowing dust.

Klax... Generally hi confidence in the 00z taf.VFR conditions are
expected thru Thu evening. However, there is the slight chance (20
percent) of low clouds with ifr CIGS developing aft about 12z thru
mid morning thu.

Kbur... Hi confidence in the 00z TAF withVFR conditions expected
thru Thu afternoon.

Marine 29/800 pm
across the outer waters... A combination of winds and seas will
keep small craft advisory conditions through at least Thursday
morning. Gale force winds are likely Thursday afternoon through
Friday.

Across the inner waters... Strong SCA winds will affect the
western portions of the inner waters on Thursday and Friday with a
40 percent chc of gale force winds.

Lox watches/warnings/advisories
Ca... High wind watch in effect from Thursday evening through
Friday morning for zone 46. (see laxnpwlox).

High wind watch in effect from Thursday afternoon through
Friday morning for zones 52>54. (see laxnpwlox).

High wind watch in effect from Thursday afternoon through
late Thursday night for zone 59. (see laxnpwlox).

Pz... Small craft advisory in effect until 3 pm pdt Friday for zone
645. (see laxmwwlox).

Small craft advisory in effect until 1 pm pdt Thursday for
zones 670-673-676. (see laxmwwlox).

Gale watch in effect from Thursday afternoon through Friday
afternoon for zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (sat-wed)
gusty northeast winds are possible Saturday across la/ventura
counties.

Public... Sirard/mw
aviation... Sirard
marine... Sweet/sirard
synopsis... Munroe
weather.Gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSXC1 9 mi44 min SE 4.1 G 5.1
BAXC1 9 mi44 min ESE 4.1 G 4.1
PXAC1 10 mi44 min SSE 1.9 G 2.9
PFXC1 11 mi44 min SE 4.1 G 5.1 63°F 1014.8 hPa (+0.3)
PFDC1 12 mi44 min E 2.9 G 4.1
PRJC1 12 mi44 min SE 4.1 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 13 mi44 min 58°F1016.1 hPa (+0.4)
AGXC1 13 mi44 min SW 4.1 G 5.1 63°F 1016.1 hPa (+0.3)
46256 14 mi52 min 59°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 17 mi44 min E 1.9 G 2.9 62°F 60°F1016.2 hPa (+0.0)
46222 - San Pedro, CA (092) 20 mi55 min 60°F4 ft
46253 22 mi44 min 59°F4 ft
46221 - Santa Monica Bay, CA (028) 23 mi44 min 60°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 46 mi34 min NNE 1.9 G 3.9 61°F 61°F1015.5 hPa59°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 mi51 minN 010.00 miFair64°F48°F58%1015.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA7 mi51 minN 010.00 miFair64°F53°F68%1015.9 hPa
Los Angeles / USC Campus Downtown, CA9 mi57 minN 010.00 miFair64°F51°F63%1015.5 hPa
Los Angeles, Los Angeles International Airport, CA10 mi51 minS 310.00 miFair63°F54°F73%1015.7 hPa
Los Alamitos U. S. Army Airfield, CA11 mi46 minN 010.00 miFair58°F50°F75%1016.2 hPa
Fullerton, Fullerton Municipal Airport, CA12 mi51 minN 010.00 miFair66°F48°F54%1015.6 hPa
Santa Monica, Santa Monica Municipal Airport, CA16 mi53 minN 010.00 miFair61°F54°F78%1015.9 hPa
El Monte, CA16 mi4 hrsSSW 410.00 miFair70°F39°F33%1016.3 hPa
Burbank - Bob Hope Airport, CA22 mi51 minE 310.00 miFair67°F43°F42%1015 hPa
Santa Ana, John Wayne Airport-Orange County Airport, CA24 mi51 minSSW 510.00 miA Few Clouds62°F52°F70%1016 hPa

Wind History from LGB (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmW4CalmE3CalmN4CalmS35S6S7SW9W11W12W9NW6NW5N4CalmCalm
1 day agoNW5SE5CalmCalmNW3CalmCalmCalm--CalmCalmCalmSW6SW6W7S4W4W11W9NW6NW5N3CalmCalm
2 days agoCalmCalmCalmCalmSE3CalmNE3NE3CalmN5NW3NW3CalmS12W15W15W15
G22
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NW19NW12

Tide / Current Tables for Long Beach, Inner Harbor, California
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Long Beach
Click for Map
Thu -- 05:45 AM PDT     -0.35 feet Low Tide
Thu -- 06:42 AM PDT     Sunrise
Thu -- 08:44 AM PDT     Moonrise
Thu -- 11:56 AM PDT     4.27 feet High Tide
Thu -- 05:37 PM PDT     0.84 feet Low Tide
Thu -- 07:12 PM PDT     Sunset
Thu -- 10:22 PM PDT     Moonset
Thu -- 11:51 PM PDT     5.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.24.43.21.80.6-0.2-0.30.112.23.344.343.32.31.50.90.91.32.23.34.45.1

Tide / Current Tables for Long Beach, Terminal Island, California
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Long Beach
Click for Map
Thu -- 05:36 AM PDT     -0.39 feet Low Tide
Thu -- 06:42 AM PDT     Sunrise
Thu -- 08:44 AM PDT     Moonrise
Thu -- 11:47 AM PDT     4.55 feet High Tide
Thu -- 05:29 PM PDT     0.79 feet Low Tide
Thu -- 07:12 PM PDT     Sunset
Thu -- 10:22 PM PDT     Moonset
Thu -- 11:45 PM PDT     5.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.54.63.21.70.5-0.3-0.30.21.32.53.64.44.54.13.32.31.40.90.91.52.53.74.95.6

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 (2,6,7,8)
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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.