Friday, September21, 2018 L-36.com


Marine Weather and Tides
San Pasqual, CA

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9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 6:39AMSunset 6:51PM Friday September 21, 2018 9:29 AM PDT (16:29 UTC) Moonrise 5:20PMMoonset 3:23AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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- 736 Am Pdt Fri Sep 21 2018
Today..SE winds 5 to 10 kt, becoming sw in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 17 seconds.
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 7 seconds. SW swell 2 ft.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 7 seconds.
Sat night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and sw 2 ft at 14 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 7 seconds. SW swell 2 ft.
Sun 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 6 seconds. SW swell 2 ft.
Mon..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
PZZ600 736 Am Pdt Fri Sep 21 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 14z...or 7 am pdt, a 1024 mb high was 800 nm nw of point conception, and a 1007 mb low was near yuma az.


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 211157
afdlox
area forecast discussion
national weather service los angeles oxnard ca
457 am pdt Fri sep 21 2018

Synopsis 20 741 pm.

Above normal temperatures will continue through this weekend, and
are likely through much of next week. Fair skies are expected,
except for overnight to morning low clouds and fog for the coast,
and some coastal valleys. An upper low crossing central california
will cool temperatures some Sunday and Monday, followed by high
pressure and gradual warming starting Tuesday.

Smith

Short term (tdy-sun) 21 255 am.

The marine layer stratus came back with vengeance last night as
an eddy spun up and drove the marine layer up to 1600 ft. A
southerly surge set up soon after and pushed low clouds around pt
conception and into the central coast. Gradients are onshore and
trending more onshore. The inversion is not that strong and
ordinarily would allow for total clearing but suspect that more
than a few beaches will stay cloudy today ESP the sba south coast.

Max temps on a roller coaster up nicely ydy and plummeting down
today. (esp across the central coast where there will be 8 to 12
degrees of cooling.)
gradients reverse Saturday as high pressure builds across the
sacramento vly and nv. Right now it looks like the grads will end
up near neutral not offshore. Not enough really push the low
clouds. The coasts will remain covered but there will be a
noticeable reduction (but not elimination) of low clouds in the
vlys. MAX temps will warm some ESP in the vlys but not as much as
ydy.

On Sunday a trof will slowly push into the state from the north.

Hgts will slowly fall. At the sfc there will be a slight
increasing in the onshore flow. Low clouds will cover the coasts
and some of the vlys. The slightly lower hgts and slightly
stronger onshore flow will bring a degree or two of cooling. Max
temps will end up very close to normal.

Rorke

Long term (mon-thu) 21 307 am.

Ec and GFS are now pretty much on the same page and it is pretty
certain that the benign weather will persist through the end of
the month.

On Monday a trof moving through nv brushes the state. On Tuesday
and Wednesday there is very weak flow over the state as the jet is
well to the NE and all of the features in the east pac are too far
to the west to influence the west coast weather. On Thursday weak
ridge pops up ahead of an upper low that is approaching the
northern half of the state. Hgts will fall on Monday and then rise
steadily through Wednesday before falling again on thu. The gfs
has h5 hgts about 3 dm higher than the ec.

At the sfc the grads change little from day to day and the night
through morning cloud pattern will continue across coasts. Current
forecast keep the vlys mostly clear and this might be a touch
optimistic.

Wednesday will be the warmest day ESP if the GFS is correct but
aside from a noticeable warm up Tuesday there will not be much
day to day change in MAX temps. MAX temps from Tuesday on will be
a couple degrees above normal.

Aviation 21 1148z.

At 1123z at klax, the marine was 1500 feet deep. Likely deeper
across inland areas. The top of the inversion was 3800 feet with
a temperature of 23 degrees celsius.

N of point conception... Moderate confidence with vlifr to ifr
conds through 18z this morning. Southern surge of stratus could
keep low clouds lingering near the coast into this afternoon. 50%
chance for CIGS to linger after 18z for coastal tafs. High
confidence with kprb taf. Lower confidence with timing of return
of stratus tonight. There is a chance that stratus will be more
patchy in nature but continue to be lifr ifr with earlier scour
out times Saturday morning.

S of point conception... Higher confidence with MVFR CIGS for
coastal tafs. The SE flow was beginning to pull low clouds away
from valley TAF sites. Lower confidence with MVFR CIGS and scour
out times for valley TAF sites. Moderate confidence for similar
return of low clouds with MVFR and 30% chance for ifr CIGS early
this evening before going up a category. Scour out times should be
an hour earlier with higher confidence.

Klax... Moderate confidence in 12z taf. There is a 30% chance that
MVFR CIGS will linger a few hours past 18z this afternoon. There
is a 30 percent chc of an east wind component of 8 kt through 16z.

Kbur... Low confidence in 12z TAF due to stratus pulling out from
east to west across valleys this morning. MVFR CIGS should scour
out before 16z. 50% chance that CIGS could becomeVFR by 14z. Low
confidence if ifr MVFR CIGS will return after 10z Sat morning.

Marine 21 233 am.

For the outer waters, high confidence in current forecast. There
is a 60% chance of small craft advisory (sca) level winds Sunday
across the two northern zones pzz670-673 then expanding into the
nw portion of pz676 for Monday.

For the inner waters north of point sal, high confidence in
current forecast as conditions are expected to remain below sca
levels through Tuesday.

For the inner waters south of point conception, high confidence in
current forecast as conditions are expected to remain below sca
levels through Tuesday. For this morning, southeast winds 5-15 kt
are expected to surge north of pt. Conception. These types of
stratus patterns can keep low clouds lingering along the coast
into the afternoon hours with some patchy fog N of point
conception.

Lox watches warnings advisories
Ca... None.

Pz... None.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 22 mi47 min 67°F 71°F1015.7 hPa
PSXC1 26 mi89 min Calm G 1.9
BAXC1 26 mi89 min SW 2.9 G 4.1
PXAC1 27 mi89 min SSW 1.9 G 2.9
PFXC1 28 mi41 min 66°F
PRJC1 28 mi89 min SSW 1.9 G 1.9
PFDC1 29 mi95 min SSE 2.9 G 2.9
AGXC1 30 mi41 min 67°F 1015.7 hPa
OHBC1 - 9410660 - Los Angeles, CA 30 mi47 min 66°F1015.7 hPa
46256 31 mi29 min 70°F2 ft
46221 - Santa Monica Bay, CA (028) 33 mi59 min 66°F2 ft
46222 - San Pedro, CA (092) 37 mi29 min 70°F2 ft
46253 39 mi29 min 70°F2 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
El Monte, CA6 mi41 minN 08.00 miFair68°F59°F73%1015.9 hPa
Los Angeles / USC Campus Downtown, CA11 mi42 minN 06.00 miPartly Cloudy with Haze70°F61°F73%1014.8 hPa
Burbank - Bob Hope Airport, CA13 mi36 minN 06.00 miFair with Haze68°F62°F81%1014.3 hPa
Los Angeles, Whiteman Airport, CA17 mi39 minN 010.00 miClear68°F59°F73%1016.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA18 mi36 minVar 36.00 miMostly Cloudy with Haze69°F61°F76%1015.3 hPa
Santa Monica, Santa Monica Municipal Airport, CA19 mi38 minN 06.00 miA Few Clouds with Haze71°F61°F71%1015.2 hPa
Brackett Field Airport, CA19 mi1.7 hrsE 910.00 miFair63°F60°F94%1015.9 hPa
Fullerton, Fullerton Municipal Airport, CA20 mi36 minN 06.00 miOvercast with Haze70°F60°F71%1014.9 hPa
Los Angeles, Los Angeles International Airport, CA20 mi36 minSW 57.00 miPartly Cloudy69°F61°F76%1015.2 hPa
Van Nuys, Van Nuys Airport, CA20 mi38 minN 05.00 miFair with Haze70°F61°F73%1014.7 hPa
Long Beach, Long Beach Airport, CA21 mi36 minN 07.00 miFair69°F61°F76%1015.3 hPa

Wind History from EMT (wind in knots)
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Last 24hrS8----------------------CalmCalmCalmCalmCalmSW7S8S9S10S12S12SW9
1 day agoSW6----------------------CalmCalmCalmS4SW5S5SW5S6SW8SW8S8S7
2 days agoS5----------------------CalmCalmCalm3S5CalmSW4S6
G14
S6SW8SW7SW6

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Santa Monica, California
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Tide / Current data from XTide NOT FOR NAVIGATION
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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 (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.