Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
Tustin, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 6:41AMSunset 6:42PM Tuesday September 26, 2017 11:10 AM PDT (18:10 UTC) Moonrise 12:37PMMoonset 11:12PM Illumination 35% Phase: Waxing Crescent; Moon at 6 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- 919 Am Pdt Tue Sep 26 2017
Today..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 4 ft at 9 seconds.
Tonight..W winds 10 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 11 seconds. Patchy fog after midnight.
Wed..E winds 5 to 10 kt...becoming sw in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 11 seconds. Patchy fog in the morning.
Wed night..W winds 10 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 11 seconds. Patchy fog after midnight.
Thu..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog in the morning.
Thu 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.
Fri..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 ft.
Sat..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Patchy fog.
PZZ600 919 Am Pdt Tue Sep 26 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z...or 9 am pdt....A 1024 mb high was over the eastern pacific with a ridge extending to a 1023 mb high over idaho. A weak trough was along the ca coast.

7 Day Forecast for Marine Location Near Tustin, CA
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location: 33.72, -117.82     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 261658
afdsgx
area forecast discussion
national weather service san diego ca
958 am pdt Tue sep 26 2017

Synopsis
High pressure over the great basin will bring offshore flow through
Wednesday with sunny, warm days and cool nights. Winds will be
gusty at times in the mountains, foothills and the inland empire.

Warmer Thursday and Friday with lighter winds. Later today, a weak
eddy circulation offshore may bring a return of coastal low clouds
and fog each night and morning through Thursday. Cooler by the
weekend as onshore flow returns.

Discussion For extreme southwestern california including orange...

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

Update...

a mostly clear sky was seen across the area with just a few high
clouds over eastern areas. A smoke plume from the canyon fire was
spreading smoke across the sky towards the southwest across
southern orange county. Offshore flow continues, but gusts are
only in the 20-25 mph range on the coastal slopes. Relative
humidities were already in the 30s across many inland locales as
of mid morning and will continue to lower this afternoon with rhs
down into the teens most locales away from the immediate coast.

Winds will be offshore this morning, but a sea breeze will push
well inland and into the i.E. And inland valleys this afternoon.

Previous discussion (issued at 309 am pdt Tue sep 26 2017)...

skies were clear over the CWA at 3 am pdt. Some low, marine clouds
were observed along the baja coast, well south of san diego, and
high clouds were thickening and streaming rapidly south over eastern
ca western nv. These clouds mark the shortwave that will amplify the
trough over us later today and tonight. Surface pressure gradients
were holding very weakly onshore ksan to the lower deserts, and
about 6 mbs from SW nv. N-ne winds continued in some mtn areas at 3
am pdt with local peak gusts to 25 mph, but in general, winds were
light.

Gusty n-ne winds are expected again this morning over, mainly
northern portions of the CWA with a moderate sfc pressure gradient
in place. The gradient will be weakening later today as a
shortwave trough digs south, forming a cut-off upper-level low
pressure center over SE ca. The low may have a hand in spinning up
a coastal eddy. Numerous hires model runs, and even dew-point
guidance in mos, suggests this may happen today or tonight. The
eddy would draw a moist marine layer north along the coast,
beneath the dry, continental air, possibly resulting in areas of
low clouds and fog for Wed Thu mornings along the coast.

Aside from that little event, weak offshore flow prevails through
Friday as the longwave trough, which has been over the west since
last week, finally lifts out. That keeps inland areas quite dry and
warm through Friday with daytime temperatures several degrees above
average. Global model solutions begin to diverge over the weekend,
but are showing another, weaker amplitude trough digging into the
west. This pattern will weaken the sprawling sfc high over the west
and replace it with sfc low pressure and an onshore flow pattern.

Look for cooler weather and more marine influence with periods of
low clouds and fog developing inland.

Gfs ECMWF 00z solutions diverge widely next week lowering forecast
confidence then.

Aviation
261600z... Mostly clear skies through tonight. Locally breezy
northeast winds will produce intermittent and isolated up downdrafts
llws in the foothills of the santa ana mountains and south of the
cajon pass through 21z today. Kont and ksbd may be impacted at
times.

Marine
No hazardous marine weather is expected through Saturday.

Fire weather
North-northeast winds in and below the cajon pass, and over the
santa ana mts canyons will be in the 20-30 mph range this morning.

Winds will be lighter over san diego county. Daytime minimum rh
will be near 10-15 percent. However, as winds relax, critical fire
conditions are not anticipated.

Rh is forecast to increase Wednesday through Friday over coastal and
western valley areas, but minimum rh will still fall to 15-25
percent across the far inland valleys. Overnight recovery will be
better, and northeast winds will be weaker as well during this time.

A general onshore flow pattern will return this weekend for cooler
conditions and higher daytime humidity.

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... Gregoria (update) prev discussion (jad)
aviation marine... Pg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 19 mi41 min SSE 4.1 G 6
46256 20 mi49 min 66°F2 ft
PFXC1 21 mi41 min SSE 6 G 6 71°F
PFDC1 22 mi41 min ESE 5.1 G 6
PSXC1 22 mi41 min S 5.1 G 8
BAXC1 22 mi41 min SSE 6 G 7
46253 22 mi41 min 68°F2 ft
AGXC1 23 mi41 min ESE 5.1 G 5.1 69°F 1010.4 hPa
PXAC1 24 mi47 min SE 6 G 8
OHBC1 - 9410660 - Los Angeles, CA 24 mi41 min 66°F1010.5 hPa
46222 - San Pedro, CA (092) 27 mi41 min 68°F2 ft
46242 - Camp Pendleton Nearshore, CA (043) 40 mi73 min 67°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 41 mi41 min S 5.1 G 5.1 71°F 65°F1010.2 hPa
46224 - Oceanside Offshore, CA (045) 42 mi41 min 68°F2 ft
46221 - Santa Monica Bay, CA (028) 44 mi41 min 69°F2 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, CA4 mi78 minN 010.00 miPartly Cloudy74°F46°F38%1009.9 hPa
Fullerton, Fullerton Municipal Airport, CA13 mi78 minVar 310.00 miFair75°F52°F45%1009.6 hPa
Los Alamitos Army Airfield, CA13 mi73 minN 010.00 miFair73°F52°F47%1010.4 hPa
Corona Airport, CA17 mi75 minWNW 310.00 miFair74°F43°F33%1010.8 hPa
Long Beach, Long Beach Airport, CA19 mi78 minSW 410.00 miFair72°F57°F59%1010 hPa
Chino, Chino Airport, CA20 mi78 minNNW 310.00 miA Few Clouds76°F37°F25%1010 hPa

Wind History from SNA (wind in knots)
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Last 24hrSW7SW8SW6SW11SW12SW11S9SW8CalmSE4CalmE3CalmSW3CalmCalmCalmCalmCalmNE3NE3CalmCalmCalm
1 day ago3SW8S10SW9SW8SW10SW8W653CalmCalmCalmCalmCalmCalmCalmCalmCalmSW3CalmCalmSW4SW4
2 days agoSW7S9SW9S10S12S116SW4SW6SW3S3CalmS3E3CalmNE4CalmCalmCalmCalmCalm3CalmCalm

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Newport Beach
Click for Map
Tue -- 02:39 AM PDT     3.26 feet High Tide
Tue -- 06:42 AM PDT     Sunrise
Tue -- 06:45 AM PDT     2.80 feet Low Tide
Tue -- 12:36 PM PDT     Moonrise
Tue -- 01:27 PM PDT     4.44 feet High Tide
Tue -- 06:42 PM PDT     Sunset
Tue -- 09:28 PM PDT     1.42 feet Low Tide
Tue -- 11:12 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.733.23.33.132.82.82.93.23.53.94.24.44.44.23.83.22.62.11.71.41.51.6

Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Tue -- 02:37 AM PDT     3.20 feet High Tide
Tue -- 06:42 AM PDT     Sunrise
Tue -- 06:57 AM PDT     2.73 feet Low Tide
Tue -- 12:36 PM PDT     Moonrise
Tue -- 01:27 PM PDT     4.36 feet High Tide
Tue -- 06:42 PM PDT     Sunset
Tue -- 09:35 PM PDT     1.41 feet Low Tide
Tue -- 11:12 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.633.23.23.12.92.82.72.83.13.43.84.14.34.34.13.73.22.62.11.71.41.41.6

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 San Diego, CA (14,3,4,5)
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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.