Tuesday, October24, 2017 L-36.com


Marine Weather and Tides
San Pasqual, 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 7:05AMSunset 6:08PM Tuesday October 24, 2017 4:12 AM PDT (11:12 UTC) Moonrise 11:23AMMoonset 9:51PM Illumination 18% Phase: Waxing Crescent; Moon at 4 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- 234 Am Pdt Tue Oct 24 2017
.small craft advisory in effect through this afternoon...
Today..From point mugu to santa Monica, ne winds increasing to 20 to 30 kt with local gusts to 35 kt, becoming nw to N 10 to 15 kt by late afternoon. Elsewhere, ne winds 10 to 20 kt, becoming nw 10 kt by late afternoon. Combined seas 4 to 6 ft dominant period 17 seconds.
Tonight..NW to N winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 15 seconds and S 2 ft at 14 seconds.
Wed..From point mugu to santa Monica, ne winds 15 to 20 kt with gusts to 25 kt, becoming nw to N 10 to 15 kt by late afternoon. Elsewhere, winds variable 10 kt or less, becoming nw 10 kt in the afternoon. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 14 seconds and S 2 ft at 14 seconds.
Wed night..NW winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 13 seconds and S 2 ft at 13 seconds.
Thu..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 12 seconds and S 2 ft at 13 seconds.
Thu 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 11 seconds and S 2 ft at 13 seconds.
Fri..NW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Sat..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 ft.
PZZ600 234 Am Pdt Tue Oct 24 2017
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 1043 mb high was over idaho and a weak thermal trough was along the california coast. Gusty ne winds will form over the near shore waters at times through Wednesday.

7 Day Forecast for Marine Location Near San Pasqual, CA
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location: 34.14, -118.13     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 241005
afdlox
area forecast discussion
national weather service los angeles oxnard ca
305 am pdt Tue oct 24 2017

Synopsis
Strong high pressure aloft and moderate santa ana conditions will
bring continued record heat to many areas into today. The ridge
will break down through Thursday, allowing for a gradual cooling
trend. A ridge of high pressure may try to rebuild early this
weekend, bringing a rebound in temperatures.

Short term (tdy-thu)
another day of recorded breaking heat is in store for the
southland. A 597 dm upper high sits atop of the state. At the sfc
there is about a 6.5 mb offshore push from both the north and the
south. Unlike last night the northeast to east winds have already
surfaced and these winds are keeping the overnight lows very warm.

There will be many min temps in the 80s this morning and would not
be surprised to see one or two lows in lower 90s. With temps
running anywhere from 5 to 20 degrees warming in most location
than at this time ydy cannot see any reason why MAX temps will not
be 1 to 3 degrees warmer than ydy. 10 or more records will likely
fall today including the record for warmest temp at the opening
pitch at a world series game. Excessive heat warnings and
advisories blanket the forecast area and everyone needs to be
mindful of heat related dangers today. Today will be the windiest
day with plenty of advisory level gusts 20 miles either side of a
line from santa clarita to pt mugu. There will be a few isolated
gusts to 60 mph across the exposed ridgetops as well. Forest fire
conditions will be critical as well... See the discussion below for
details. See the product laxnpwlox for details on all of the heat
and wind advisory warnings.

The gradients weaken Tuesday night but there will still be 3 to 4
mb offshore flow from both the north and east. These gradients
will be strong enough to keep some winds going overnight and there
will be another night a very warm minimum temps. There likely be
just enough of a push to create low end advisory gusts across the
same la to vta county area.

The upper high weakens as well on Wednesday and hgts fall to about
589 dm. The weaker offshore flow and lower hgts will allow for
some cooling everywhere ESP the central coast and the beaches.

Depending on the overnight lows the heat advisories may need to be
extended into Wednesday afternoon. The advisory level wind gusts
will end either in the late morning or early afternoon.

On Thursday hgts fall to 585 dm and the morning offshore flow
weakens to about 2 mb from both the north and east. This will lead
to about 4 to 8 degrees of cooling with MAX temps "only" 8 to 12
degrees above normal.

Long term (fri-mon)
the ridge will persist into Friday only to be replaced by a
smaller ridge poking in from the SW over the weekend. While it
doesn't look like the marine layer will return in strength over
the weekend, it does appear that the rh levels will finally rise
above the 10-20 percent levels with at least some high clouds
helping to cool things down. Gradients are only weakly offshore
so temps, winds and fire danger will be above normal they will be
nothing like they are now. The GFS (the ec mdl was unavailable
this morning) does show some trofing on Monday which would bring a
decent cool down to the area.

Aviation
24 0930z
at 0900z, there was a surface-based inversion at klax. The top of
the inversion was 800 feet with a temperature of 34 degrees
celsius.

Overall, high confidence in 12z tafs as moderate northeast flow
will keep all sitesVFR through the period. With offshore flow,
llws and turbulence will be issues over and near the higher
terrain.

Klax... High confidence in 12z taf. There is a 10% chance of east
winds greater that 8 knots 12z-20z.

Kbur... Moderate confidence in 12z TAF with MVFR blowing dust ash
layer through 22z. There will be occasional llws and light
turbulence 14z-22z.

Marine
24 130 am
for the outer waters, high confidence in current forecast. Other
than small craft advisory (sca) level northeast winds across
pzz676 today, winds and seas are expected to remain below sca
levels for the outer waters through Saturday.

For the inner waters, high confidence in current forecast. For the
waters north of point sal, winds and seas will remain below sca
levels through Saturday. For the waters south of point conception,
sca level northeast winds are expected today from ventura south to
santa monica with some local gale force gusts nearshore. For
tonight and Wednesday, there is a 40% chance of SCA level
northeast winds from ventura south to santa monica. For Thursday
through Saturday, winds and seas will remain below SCA levels.

There is a chance that the northeast winds will reach avalon and
two harbors on today, but since this is a hot santa ana event the
likelihood of significant winds out that far is small. 30 percent
chance of 10-20 kt winds in the harbors, 10 percent chance of
15-25 kt.

Lox watches warnings advisories
Ca... Heat advisory in effect until 8 pm pdt this evening for zones
34>36-39-88. (see laxnpwlox).

Excessive heat warning in effect until 8 pm pdt this evening
for zones 40-41-44>46-87-547. (see laxnpwlox).

Wind advisory in effect until 2 pm pdt Wednesday for zones
40-41-44>46-53-54-88-547. (see laxnpwlox).

Red flag warning in effect until 6 pm pdt Wednesday for zones
240-241-244>246-253-254-288-547-548. (see laxrfwlox).

Pz... Small craft advisory in effect until 3 pm pdt this afternoon
for zones 650-655-676. (see laxmwwlox).

Hazard potential outlook (thu-mon)
heat advisory level temperatures may continue for many areas into
Wednesday. Gusty northeast winds will likely impact wind prone
areas of los angeles and ventura counties through early
Wednesday. Hot, dry and windy conditions will likely bring
continued critical fire weather conditions to some areas
Wednesday.

Public... Rorke
aviation... Rat
marine... Rat
synopsis... Munroe
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 22 mi43 min Calm G 1 75°F 64°F1015.8 hPa
PSXC1 26 mi43 min N 5.1 G 5.1
BAXC1 26 mi43 min N 7 G 7
PXAC1 27 mi49 min NNW 4.1 G 5.1
PFXC1 28 mi43 min N 6 G 7 76°F
PRJC1 28 mi43 min N 6 G 8
PFDC1 29 mi43 min NNW 6 G 6
AGXC1 30 mi43 min N 6 G 6 78°F 1015.7 hPa
OHBC1 - 9410660 - Los Angeles, CA 30 mi43 min 67°F1015.8 hPa
46256 31 mi51 min 66°F4 ft
46221 - Santa Monica Bay, CA (028) 33 mi43 min 66°F3 ft
46222 - San Pedro, CA (092) 37 mi43 min 66°F3 ft
46253 39 mi43 min 68°F3 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles / USC Campus Downtown, CA11 mi26 minN 010.00 miFair71°F46°F41%1015.1 hPa
Burbank - Bob Hope Airport, CA13 mi20 minE 75.00 miPartly Cloudy with Haze93°F30°F11%1015 hPa
Hawthorne, Hawthorne Municipal Airport, CA18 mi20 minN 010.00 miFair70°F48°F46%1015.6 hPa
Santa Monica, Santa Monica Municipal Airport, CA19 mi22 minN 310.00 miFair74°F44°F34%1015.4 hPa
Fullerton, Fullerton Municipal Airport, CA20 mi20 minN 010.00 miFair69°F46°F45%1015.2 hPa
Los Angeles, Los Angeles International Airport, CA20 mi20 minVar 310.00 miFair73°F46°F38%1015.3 hPa
Van Nuys, Van Nuys Airport, CA20 mi22 minN 1110.00 miFair89°F30°F12%1016 hPa
Long Beach, Long Beach Airport, CA21 mi20 minN 010.00 miFair73°F44°F35%1015.5 hPa

Wind History from EMT (wind in knots)
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Last 24hr----------------------N4CalmCalmCalm--NW5CalmCalmSW5W3CalmCalmCalm
1 day ago----------------------Calm--CalmN4CalmCalmS6CalmW3W3SW4SW3S3
2 days ago----------------------CalmCalmSW3S444CalmSW3SW4SW5SW5CalmCalm

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Tue -- 01:09 AM PDT     3.51 feet High Tide
Tue -- 05:28 AM PDT     2.71 feet Low Tide
Tue -- 07:06 AM PDT     Sunrise
Tue -- 11:23 AM PDT     Moonrise
Tue -- 11:49 AM PDT     4.95 feet High Tide
Tue -- 06:08 PM PDT     Sunset
Tue -- 07:29 PM PDT     0.87 feet Low Tide
Tue -- 09:52 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.33.53.43.22.92.72.733.444.54.84.94.74.23.52.61.81.20.90.91.21.72.2

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Tue -- 01:10 AM PDT     3.55 feet High Tide
Tue -- 05:29 AM PDT     2.74 feet Low Tide
Tue -- 07:06 AM PDT     Sunrise
Tue -- 11:23 AM PDT     Moonrise
Tue -- 11:50 AM PDT     4.99 feet High Tide
Tue -- 06:08 PM PDT     Sunset
Tue -- 07:29 PM PDT     0.90 feet Low Tide
Tue -- 09:52 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.43.53.53.232.82.833.444.54.954.84.23.52.71.91.30.90.91.21.72.3

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 (7,2,3,4)
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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.