Wednesday, December12, 2018 L-36.com


Marine Weather and Tides
Irvine, 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 6:45AMSunset 4:44PM Wednesday December 12, 2018 9:21 AM PST (17:21 UTC) Moonrise 11:49AMMoonset 10:40PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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- 902 Am Pst Wed Dec 12 2018
Today..SE winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft at 12 seconds.
Tonight..Winds variable 10 kt or less, becoming ne 10 to 15 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 14 seconds.
Thu..From point mugu to santa Monica, ne winds 15 to 20 kt becoming 10 to 15 kt in the afternoon. Elsewhere, ne winds 10 to 15 kt becoming N 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 16 seconds.
Thu night..NE winds 5 to 10 kt, becoming E 10 to 15 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 16 seconds.
Fri..E winds 10 to 15 kt, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 15 seconds.
Fri night..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 16 seconds.
Sat..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 4 ft.
Sun..S winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 4 ft. Slight chance of rain.
PZZ600 902 Am Pst Wed Dec 12 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z...or 8 am pst, a 1031 mb surface high was located in ne ca, with a 1018 mb low near los angeles. Hazardous seas are possible Thursday through Saturday night across the outer coastal waters.


7 Day Forecast for Marine Location Near Irvine, CA
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location: 33.71, -117.76     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 121142
afdsgx
area forecast discussion
national weather service san diego ca
342 am pst Wed dec 12 2018

Synopsis
There will be some patchy coastal low clouds and some high clouds
early today. High pressure aloft and offshore flow will bring
warming west of the mountains for Thursday with locally gusty
northeast winds near the coastal slopes of the mountains. A little
cooler for Friday as onshore flow returns, then a little warmer
for the weekend under weak high pressure aloft. A low pressure
system will move inland through california on Monday with small
chances for precipitation, then dry for Tuesday with the
beginning of a warming trend.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

Short term (today through Friday)
Aircraft soundings from Tuesday evening showed a weak marine
inversion at around 1400 feet with satellite imagery showing some
very patchy stratus over the inner coastal waters, and adjacent
coastal areas inland to the western san diego county valleys.

Satellite imagery also showed a few high clouds from a trough of
low pressure moving inland to the north. As that low pressure
system moves from the great basin into the southern rockies,
surface high pressure behind it over the great basin will bring
periods of gusty northeast to east winds for tonight into Thursday
along coastal mountain slopes into the inland valleys and below
passes and canyons. Onshore flow will return on Friday as another
trough of low pressure moves inland to the north.

High temperatures today will be similar to those of Tuesday with
warmer high temperatures west of the mountains on Thursday with
the offshore flow. Cooling will begin to spread inland on Friday
with a return of onshore flow.

Long term (Saturday through Tuesday)
The weekend is expected to be a little warmer for most areas as
onshore flow weakens, possibly becoming weakly offshore for
inland areas at times.

For Monday and Tuesday, the range of solutions among the global
models and their ensemble members has not changed much for the
weak low pressure system that will be in the vicinity of southern
california on Monday. The weaker and more inland solutions would
be mostly dry for southwest california, while the more amplified
solutions briefly close off an upper lower near or just offshore
of the california coast before moving it inland. Given that a
subtropical plume of moisture with precipitable water values
approaching one inch will be directed toward southern california,
there would be greater potential with this scenario for more
widespread precipitation. The intermediate scenario is one with a
cold front and associated precipitation weakening as it moves east
and south of point conception with light precipitation possibly
extending into portions of southwestern california for Monday
afternoon and evening. The current forecast remains closest to
that intermediate scenario.

Aviation
121000z... Areas of low clouds based around 1500-2500 feet msl will
continue to randomly form and dissipate in coastal areas and western
valleys this morning. Local vis 4-5sm with pockets of much lower vis
inland. Mostly clear after 16z. Patchy low clouds may redevelop
after 02z tonight, but confidence is low on timing and coverage.

Marine
No hazardous marine weather is expected through Sunday.

Skywarn
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

Sgx watches warnings advisories
Ca... None.

Pz... None.

Public... 17
aviation marine... Mm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46256 23 mi22 min 62°F3 ft
PRJC1 23 mi34 min E 7 G 8
PFXC1 24 mi34 min E 6 G 7
46253 24 mi22 min 63°F3 ft
PSXC1 25 mi34 min E 4.1 G 6
PFDC1 26 mi34 min ENE 7 G 8
BAXC1 26 mi34 min E 6 G 7
AGXC1 26 mi34 min ENE 7 G 8 1019.8 hPa
OHBC1 - 9410660 - Los Angeles, CA 27 mi40 min 62°F1020 hPa
PXAC1 27 mi34 min Calm G 1
46222 - San Pedro, CA (092) 30 mi22 min 62°F4 ft
46224 - Oceanside Offshore, CA (045) 40 mi22 min 63°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 44 mi34 min NNE 7 G 9.9 61°F1020.3 hPa
46221 - Santa Monica Bay, CA (028) 47 mi52 min 62°F4 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA6 mi29 minN 45.00 miMostly Cloudy with Haze59°F53°F81%1019.9 hPa
Corona Airport, CA15 mi26 minWNW 35.00 miFog/Mist48°F46°F96%1022.4 hPa
Los Alamitos Army Airfield, CA16 mi24 minENE 54.00 miFog/Mist56°F52°F87%1020.3 hPa
Fullerton, Fullerton Municipal Airport, CA16 mi29 minENE 46.00 miOvercast with Haze58°F48°F72%1019.9 hPa
Chino, Chino Airport, CA19 mi29 minWNW 33.00 miFog/Mist53°F48°F86%1020.7 hPa
Long Beach, Long Beach Airport, CA22 mi29 minENE 35.00 miOvercast with Haze57°F52°F83%1020 hPa
Riverside Municipal Airport, CA23 mi29 minNNE 410.00 miMostly Cloudy52°F42°F69%1019.2 hPa

Wind History from SNA (wind in knots)
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Last 24hr5S5W3W5SW7SW5SW7SW5S3CalmSE3E5Calm3CalmCalmCalmNE3CalmCalmE4E34N4
1 day agoCalm3CalmSW8S6SW5SW3S4S3W3E3NW34CalmE3E5CalmCalmCalmE4CalmE5NE3Calm
2 days agoCalmN3CalmSW7SW6SW4SE3SW4S3CalmCalmCalmE3CalmCalmCalmCalmN3CalmCalmCalmCalmCalmCalm

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Wed -- 01:15 AM PST     3.53 feet High Tide
Wed -- 05:12 AM PST     2.94 feet Low Tide
Wed -- 06:46 AM PST     Sunrise
Wed -- 10:48 AM PST     Moonrise
Wed -- 11:14 AM PST     4.60 feet High Tide
Wed -- 04:44 PM PST     Sunset
Wed -- 06:56 PM PST     0.43 feet Low Tide
Wed -- 09:41 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.33.53.53.33.12.933.23.644.44.64.54.13.52.61.81.10.60.40.61.11.72.4

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Wed -- 01:25 AM PST     3.50 feet High Tide
Wed -- 05:19 AM PST     2.98 feet Low Tide
Wed -- 06:46 AM PST     Sunrise
Wed -- 10:48 AM PST     Moonrise
Wed -- 11:13 AM PST     4.59 feet High Tide
Wed -- 04:44 PM PST     Sunset
Wed -- 07:00 PM PST     0.47 feet Low Tide
Wed -- 09:41 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.33.53.53.33.1333.23.644.44.64.54.13.52.71.81.10.60.50.61.11.72.4

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 San Diego, CA (12,3,4,5)
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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.