Friday, February22, 2019 L-36.com


Marine Weather and Tides
Signal Hill, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:28AMSunset 5:44PM Friday February 22, 2019 1:30 AM PST (09:30 UTC) Moonrise 10:30PMMoonset 9:46AM Illumination 91% 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- 838 Pm Pst Thu Feb 21 2019
Tonight..NW to N winds 10 to 20 kt. Wind waves 2 to 3 ft. W swell 4 to 6 ft at 12 seconds. Slight chance of Thunderstorms in the evening.
Fri..N winds 10 to 20 kt early, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 4 ft at 10 seconds.
Fri night..NW 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 13 seconds.
Sat..Winds variable 10 kt or less, becoming se 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 12 seconds.
Sat night..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 12 seconds.
Sun..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 9 seconds.
Sun night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 ft at 6 seconds.
Mon..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 ft.
PZZ600 838 Pm Pst Thu Feb 21 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z...or 7 pm pst, a 1034 mb high was over the eastern pacific and a 1004 mb low was near las vegas.


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 220605
afdlox
area forecast discussion
national weather service los angeles oxnard ca
1005 pm pst Thu feb 21 2019

Synopsis 21 758 pm.

Rain and low elevation snow will come to an end tonight. Friday
will be dry with below normal temperatures. The dry weather
should last into early next week, and below normal temperatures
will gradually warm.

Short term (thu-sun) 21 838 pm.

***update***
showers are finally clearing out of the area, except for isolated
showers over the coastal waters, mainly beyond 20 miles from
shore. While these showers may be capable of producing lightning,
the threat of thunderstorms over land has ended.

Earlier this evening thunderstorms over the central coast
produced brief heavy downpours with 0.63 inches of rain in 30
minutes observed near atascadero. In addition, showers of hail
with up to 3 4 inch hail were observed, along with frequent
lightning. Further south, snow showers were observed across the
area, with flurries reported from zuma beach, pasadena, simi
valley, thousand oaks, calabasas, and at the palmdale and
lancaster airports in the antelope valley. In addition, 1-3 inches
of snow was reported from lockwood valley, and 5-7 inches at the
higher mountain locations in the ventura and l.A. Mountains.

In the wake of these storms, a very cold and stable air mass will
settle into the area with clearing skies and rapidly lowering
temperatures. Gusty north winds will affect portions of the area,
including the santa ynez mtns and south coast of santa barbara
county through this evening, and the l.A. And ventura mtns,
especially though the i-5 corridor. The winds will gradually shift
to the northeast Friday morning and will be strongest across the
l.A. And ventura county mountains and foothills.

Meanwhile, across wind sheltered valleys freezing temperatures
are expected overnight. A freeze warning is in effect tonight
through 8 am Friday morning. Low temperatures in these areas will
be between 29 to 32 degrees, except as low as 27 degrees in the
ojai valley.

Upslope snow showers near the grapevine will likely continue off
and on through the overnight hours but with minimal additional
accumulation.

Pretty quiet weather is expected Friday and through the weekend.

Temperatures should remain well below normal, but warming a
degree or two each day.

Long term (mon-thu) 21 202 pm.

Quiet weather through the period as a ridge of high pressure
develops along the west coast. Temps will warm a a degree or two
each day reaching close to normal by Tue Wed and possibly even
slightly above normal thu.

Aviation 22 0200z.

At 0200z, there was no marine inversion at klax.

Overall, moderate confidence in the 00z tafs, except low
confidence in the sites north of pt. Conception through this
evening. Thunderstorms and local +shra expected until 03z, but may
continue up to 2 hrs past forecast time. Periodic MVFR conds are
possible until the storms move east of the area. Any tstms will
also be capable of producing gusty erratic winds and small hail.

Klax and kbur... Moderate confidence in 00z taf. There is a 20-30%
chance of MVFR CIGS and light showers through 05z. There is a 10%
chance of a thunderstorm through 05z, with gusty erratic winds
and small hail possible with any thunderstorms that form.

Marine 21 1003 pm.

For the outer waters, moderate to high confidence in current
forecast. Small craft advisory (sca) level northwest winds
will continue through mid morning fri, then winds will diminish.

There is a 30% chance that SCA level conds will continue through
fri evening. For Sun afternoon through sun, there is a 40-50%
chance of SCA level across in zones pzz673 676.

For the inner waters north of point sal, moderate to high
confidence in current forecast. Winds and seas are expected to
remain below SCA levels through tue.

For the inner waters south of point conception, moderate to high
confidence in current forecast. Winds and seas are expected to
remain below SCA levels through tue.

Lox watches warnings advisories
Ca... Freeze warning in effect until 8 am pst Friday for zones
34>36-44>46-88-547. (see laxnpwlox).

Pz... Small craft advisory in effect until 3 am pst Friday for zone
650. (see laxmwwlox).

Small craft advisory in effect until 9 am pst Friday for
zones 670-673-676. (see laxmwwlox).

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

Public... Smith mw
aviation... Smith
marine... Db
synopsis... Phillips
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 2 mi43 min NE 4.1 G 5.1
PFXC1 2 mi43 min NE 2.9 G 4.1 45°F
PSXC1 2 mi43 min NE 5.1 G 7
PFDC1 4 mi43 min N 6 G 7
46256 4 mi31 min 56°F3 ft
AGXC1 5 mi43 min N 5.1 G 6 47°F 1009.1 hPa
PXAC1 5 mi61 min N 5.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 6 mi49 min 58°F1009.1 hPa
46222 - San Pedro, CA (092) 12 mi31 min 57°F5 ft
46253 13 mi31 min 56°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 24 mi43 min N 7 G 9.9 49°F 56°F1009.5 hPa
46221 - Santa Monica Bay, CA (028) 25 mi31 min 56°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 46 mi31 min NNW 16 G 21 53°F 57°F1009 hPa (+1.8)40°F

Wind History for Los Angeles Pier S, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Long Beach, Long Beach Airport, CA5 mi38 minN 07.00 miFair42°F35°F76%1009 hPa
Los Alamitos Army Airfield, CA7 mi93 minNE 510.00 miFair38°F34°F86%1008.4 hPa
Fullerton, Fullerton Municipal Airport, CA13 mi38 minESE 310.00 miFair40°F34°F79%1008.7 hPa
Hawthorne, Hawthorne Municipal Airport, CA14 mi38 minE 310.00 miFair44°F35°F71%1009.2 hPa
John Wayne-Orange County Airport, CA17 mi38 minN 38.00 miFair43°F36°F76%1008.8 hPa
Los Angeles, Los Angeles International Airport, CA17 mi38 minVar 410.00 miA Few Clouds47°F28°F48%1008.8 hPa
Los Angeles / USC Campus Downtown, CA19 mi44 minN 010.00 miFair44°F35°F71%1008.7 hPa
Santa Monica, Santa Monica Municipal Airport, CA24 mi40 minN 710.00 miFair48°F25°F41%1008.8 hPa

Wind History from LGB (wind in knots)
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Last 24hrN5CalmW5CalmCalm--CalmW3NW5W544
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NW11E12E8CalmCalmCalmNW3NW3CalmCalm
1 day agoCalmCalmCalmCalmCalmE3E3E6E7SE8S8SW8SW6W8
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2 days agoNW5CalmNE4CalmW3CalmCalmN3CalmSW3S6S8S9SW9SW8S7SW6W4W3CalmCalmCalmCalmNE3

Tide / Current Tables for Long Beach, Outer Harbor, Pier A, California
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Long Beach
Click for Map
Fri -- 05:05 AM PST     0.62 feet Low Tide
Fri -- 06:29 AM PST     Sunrise
Fri -- 08:46 AM PST     Moonset
Fri -- 11:03 AM PST     5.07 feet High Tide
Fri -- 05:31 PM PST     -0.07 feet Low Tide
Fri -- 05:43 PM PST     Sunset
Fri -- 09:30 PM PST     Moonrise
Fri -- 11:49 PM PST     4.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.73.92.91.810.60.91.72.83.94.75.14.842.91.60.6000.61.62.944.7

Tide / Current Tables for Los Angeles, California
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Los Angeles
Click for Map
Fri -- 04:57 AM PST     0.65 feet Low Tide
Fri -- 06:29 AM PST     Sunrise
Fri -- 08:46 AM PST     Moonset
Fri -- 11:00 AM PST     5.28 feet High Tide
Fri -- 05:23 PM PST     -0.07 feet Low Tide
Fri -- 05:43 PM PST     Sunset
Fri -- 09:30 PM PST     Moonrise
Fri -- 11:46 PM PST     5.11 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.842.91.70.90.711.834.155.354.12.91.60.5-00.10.71.83.14.24.9

Weather Map and Satellite Images
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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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Wind Forecast for Los Angeles/Oxnard, CA (4,6,7,8)
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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.