Monday, August20, 2018 L-36.com


Marine Weather and Tides
Seal Beach, CA

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Sunrise 6:17AMSunset 7:33PM Monday August 20, 2018 8:04 AM PDT (15:04 UTC) Moonrise 3:42PMMoonset 1:22AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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- 222 Am Pdt Mon Aug 20 2018
Today..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
Tonight..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 6 seconds. S swell 2 ft. Patchy fog after midnight.
Tue..SE winds 5 to 10 kt, becoming W in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
Tue night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 8 seconds and S 2 ft at 12 seconds. Patchy fog after midnight.
Wed..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 6 seconds. S swell 2 ft. Patchy fog in the morning.
Wed night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
Thu..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft. Patchy fog.
Fri..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft. Patchy fog.
PZZ600 222 Am Pdt Mon Aug 20 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 09z...or 2 am pdt, a 1030 mb surface high was centered 600 nm west of seattle, while a 1008 mb thermal low was near yuma az.


7 Day Forecast for Marine Location Near Seal Beach, CA
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location: 33.74, -118.12     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 201216
afdlox
area forecast discussion
national weather service los angeles oxnard ca
516 am pdt Mon aug 20 2018

Synopsis 19 917 pm.

Continued warm temperatures through the week with overnight and
morning low clouds and fog along the coast. The humidity level
will lessen but remain above normal into next weekend.

Short term (tdy-wed) 20 312 am.

Three very similar days are slated for the short term. There will
be weak onshore flow both to the north and east each day. Aloft a
positive tilted trof will xtnd from montana to far northern ca
while an upper high slowly moves eastward from az to nm.

Dry SW flow aloft will set up between these two systems over
socal.

Hgts fall form 592dm today to 590dm Tue and wed. MAX temps will
dip a degree or two Tuesday as the hgts fall. Wednesday will not
see much change at all.

Max temps will be pretty close to normal while overnight lows will
remain 3 to 6 degrees above normal.

The weak onshore push will bring low clouds to most of the coasts
each night through morning and since the marine layer 1100 ft deep
there will be local stratus incursions into the lower vlys right
around or even a little after dawn.

The only winds of note will be across the western portion of the
antelope vly and even there the west winds will be well under
advisory criteria.

Long term (thu-sun) 20 320 am.

Weak ridging will build back into the state from the SE Thursday
and this will persist through the weekend. The upper level flow
will remain from the SW so there is no threat of monsoon
transport. Hgts really do not change much and temperatures will
really not change much from day to day either. Weak onshore flow
will keep the night through morning coastal stratus pattern going
although weak sundowners may keep the sba south coast cloud free.

A slightly stronger sundowner might occur Friday and Saturday
nights but it does not look that strong.

Aviation 20 1215z.

At 1100z at klax, the marine layer was around 1700 feet deep. The
top of the inversion was near 3600 feet with a temperature of 27
degrees celsius.

N of point conception... High confidence with lifr ifr CIGS for
coastal tafs this morning through 15z. Then moderate confidence
with timing of stratus to scour out within + - 1 hour from 12z
tafs. High confidence withVFR conds at kprb. 20% chance for ifr
between 14-16z. Moderate confidence with similar timing and
conditions this evening into Tue morning.

S of point conception... Moderate confidence tafs with ifr MVFR
cigs. Lower confidence with timing kbur and kvny ifr low MVFR
cigs. 30% chance that CIGS could scour out + - 2 hours for coastal
areas. Low to moderate confidence with similar timing and
conditions this tonight into Tue morning. 50% chance that cigs
will not develop in coastal valleys.

Good confidence in desert tafs.

Klax... Moderate confidence in taf. There is a 20 percent chc of
ifr CIGS 12z-14z. Good confidence that any east wind component
will be under 5 kt.VFR transition should occur within one hour
of fcst.

Kbur... Low confidence in ifr to low MVFR TAF from 13z-16z with a
40 percent chc of no cigs... Otherwise high confidence.

Marine 20 439 am.

For the outer waters, overall it will remain fairly quiet with nw
winds between 10 to 20 kt strongest in the afternoon and evening
hours. Strongest western portions. There will be a 20-30% chance
for SCA level gusts each late afternoon and evening for areas
between point conception to NW of san nicolas island. The next
decent chance 50% for small craft advisories (sca) should not be
until Wednesday evening between point conception to NW of san
nicolas island. Higher chance for widespread SCA level winds
beginning Thursday afternoon and continuing through late this
week.

For the inner waters, conditions are expected to remain below
small craft advisory levels through Thursday.

Patchy fog, possibly dense at times will continue to form during
the late night and morning hours, especially north of point
conception through at least Wednesday.

Lox watches warnings advisories
Ca... None.

Pz... None.

Hazard potential outlook (wed-sun)
Gusty sundowner winds and elevated fire weather conditions are
possible for late this week.

Public... Rorke
aviation... Kaplan
marine... Kaplan
synopsis... Kj
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 4 mi35 min S 7 G 8.9
46256 5 mi35 min 71°F3 ft
PFXC1 5 mi35 min S 8 G 8.9 71°F
PSXC1 6 mi35 min S 4.1 G 6
PFDC1 6 mi35 min SE 8 G 8.9
AGXC1 7 mi35 min SSE 9.9 G 9.9 69°F 1013.6 hPa
BAXC1 7 mi41 min SSE 7 G 8
PXAC1 8 mi35 min SSE 7 G 8.9
OHBC1 - 9410660 - Los Angeles, CA 8 mi35 min 70°F1013.6 hPa
46253 12 mi35 min 74°F3 ft
46222 - San Pedro, CA (092) 13 mi35 min 74°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 27 mi35 min E 6 G 8.9 71°F 74°F1013.7 hPa
46221 - Santa Monica Bay, CA (028) 28 mi35 min 73°F2 ft
46262 47 mi35 min 71°F3 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 49 mi25 min SSE 5.8 G 7.8 68°F 71°F1013 hPa68°F

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Alamitos Army Airfield, CA5 mi2.1 hrsSSE 510.00 miOvercast72°F65°F81%1012.8 hPa
Long Beach, Long Beach Airport, CA6 mi72 minSSE 69.00 miOvercast73°F64°F76%1013.2 hPa
Fullerton, Fullerton Municipal Airport, CA12 mi72 minSE 59.00 miOvercast73°F64°F74%1012.9 hPa
John Wayne-Orange County Airport, CA14 mi72 minS 59.00 miOvercast73°F64°F76%1013 hPa
Hawthorne, Hawthorne Municipal Airport, CA18 mi72 minN 08.00 miOvercast72°F64°F79%1013.1 hPa
Los Angeles, Los Angeles International Airport, CA20 mi72 minE 68.00 miOvercast73°F64°F76%1013 hPa
Los Angeles / USC Campus Downtown, CA21 mi78 minN 06.00 miOvercast with Haze73°F64°F76%1012.6 hPa

Wind History from SLI (wind in knots)
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Last 24hrCalmCalmCalmSW5S7S8S10S10SW13S9S9S9S9S6S4SE4SE4S4S4CalmCalmCalmS3S5
1 day agoCalmCalmCalmCalmSW3S8SW6S8S10SW11SW11SW11S9S3CalmW3CalmCalmCalmCalmNW3CalmCalmCalm
2 days ago--S4CalmS4S6S6S8S10S11S9S8SW9S8S4S3S3S4S4S4CalmCalmS3S3Calm

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
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Mon -- 01:21 AM PDT     Moonset
Mon -- 02:04 AM PDT     0.45 feet Low Tide
Mon -- 06:17 AM PDT     Sunrise
Mon -- 08:34 AM PDT     2.99 feet High Tide
Mon -- 01:14 PM PDT     1.63 feet Low Tide
Mon -- 03:41 PM PDT     Moonrise
Mon -- 07:20 PM PDT     4.32 feet High Tide
Mon -- 07:32 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.60.40.611.62.22.7332.72.31.91.61.72.12.73.444.34.33.93.22.4

Tide / Current Tables for Long Beach, Terminal Island, California
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Long Beach
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Mon -- 12:55 AM PDT     0.73 feet Low Tide
Mon -- 01:22 AM PDT     Moonset
Mon -- 06:18 AM PDT     Sunrise
Mon -- 07:35 AM PDT     3.73 feet High Tide
Mon -- 12:07 PM PDT     2.75 feet Low Tide
Mon -- 03:41 PM PDT     Moonrise
Mon -- 06:23 PM PDT     5.36 feet High Tide
Mon -- 07:33 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.70.91.52.22.83.43.73.73.53.22.92.82.93.23.84.455.35.34.8431.9

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 (11,2,3,4)
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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.