Monday, October14, 2019 L-36.com


Marine Weather and Tides
Pasadena, CA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:55AMSunset 6:21PM Monday October 14, 2019 4:00 AM PDT (11:00 UTC) Moonrise 7:13PMMoonset 7:34AM Illumination 99% Phase: Full Moon; Moon at 15 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- 249 Am Pdt Mon Oct 14 2019
Today..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. S swell 2 ft at 14 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 ft at 6 seconds and S 2 ft at 16 seconds.
Tue..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 2 ft at 18 seconds.
Tue 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 7 seconds and S 2 ft at 17 seconds.
Wed..Winds variable 10 kt or less, becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 2 ft at 16 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 to 3 ft at 9 seconds and S 2 ft at 15 seconds.
Thu..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 ft.
Fri..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft.
PZZ600 249 Am Pdt Mon Oct 14 2019
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 1020 mb surface high was centered 500 nm west of san francisco and a 1008 mb thermal low was located over southeast california. The high pressure over the eastern pacific is expected to weaken through Tuesday.


7 Day Forecast for Marine Location Near Pasadena, CA
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location: 34.16, -118.14     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 141007
afdlox
area forecast discussion
national weather service los angeles oxnard ca
307 am pdt Mon oct 14 2019

Synopsis 13 712 pm.

Most locations across the region will start the week generally
cool, become warm and dry mid week, then turn cool again by the
end of the week. Gusty north winds will develop late in the week
and continue into the weekend.

Short term (tdy-wed) 14 250 am.

A 1400 ft marine layer over klax and an 800 ft marine layer over
kvbg along with clear skies and onshore flow have produced a hodge
podge of marine stratus this morning. Stratus will likely continue
to form and coverage will be more organized by dawn. The marine
inversion as well as the onshore flow is pretty weak so clearing
should be complete by mid to late morning.

A dry trof is moving down in the NW flow through the center of the
state. It is not affecting the weather too much save for lowering
the hgts to 570 dm. The onshore flow and lower hgts will make
today the coolest of the next 7. MAX temps will be down 3 to 6
degrees from ydy and will end up 2 to 4 degrees blo normal.

Ridging follows fast on the heels of todays trof. Hgts will rise
and the gradinets will shift to offshore. The marine layer stratus
will be pushed out to sea everywhere except for the la southern
coastal sections. There will be some NW canyon winds but with only
weak gradients and no thermal or upper support the winds will only
be of the 15 to 25 mph variety. MAX temps will jump 5 to 10
degrees and will be above normal across the board.

Wednesday will be much like Tuesday with the only exception being
the central coast where falling hgts in the afternoon will bring a
few degrees of cooling.

Long term (thu-sun) 14 307 am.

The ec and the GFS are in remarkable agreement through the
extended period bringing increased confidence in the forecast.

Large broad scale trofing is forecast to move in on Thursday. The
w E grad turns onshore but the N S grad turns more offshore. The
decent offshore push to the north will limit the stratus
development. The lower hgts and reversal of offshore push to the
west will lower temps 5 to 10 degrees most everywhere and almost
all areas will see slightly below normal temps.

Dry NW flow will set up on Friday in the wake of the departing
trof. The flow will become more and more northerly through the
weekend and will also increase in speed. The big news with the fri
through Sun forecast is the offshore gradients specifically the n
to S grad which becomes more an more offshore each day. This
offshore push will greatly limit stratus development. The W E flow
does not change much during the time. Since offshore flow to the
west contributes much more to warming than offshore flow to the
south, MAX temps will only warm slightly each day. The sba south
coast could be the exception as that area will have advisory
level sundowners each evening. These north winds could have a
significant warming effect over the city of sba. There will also
likely be low end advisory level gusts through the i-5 corridor.

Models continue to show this northerly wind even rapidly evolve
into a moderate to strong santa ana on Monday. This evolution
will be closely monitored.

Aviation 14 0711z.

At 06z at klax, the marine layer was 1400 ft deep. The top of the
inversion was near 2200 ft with a temperature of 17 c.

Moderate confidence in tafs. Higher confidence in flight cats and
less confidence in timing which could be off by as much as 2
hours... Especially with arrival time.

Klax... Moderate confidence in TAF through 18z. CIGS could arrive
as early as 08z.VFR transition could occur anytime between 16z-
18z. Good confidence in TAF from 18z-03z the lower confidence due
to timing of return of low clouds which could occur as early as
03z. Good confidence in no east wind component great that 3 kt.

Kbur... .Moderate confidence in TAF through 17z. There is a 20
percent chc of no cigs. CIGS could arrive as early as 11z. There
is a 30 percent chc of ovc conds. Good confidence in TAF after
17z.

Marine 14 307 am.

High confidence that winds and seas will remain below small craft
advisory (sca) criteria through Tuesday over all of the coastal
waters. Wind speeds are expected to increase over the waters along
the central coast and southward towards san nicolas island on
Wednesday afternoon. Good confidence in SCA level winds over
these waters on Wednesday night, then become strong SCA level to
possibly near gale force on Thursday and Friday. Good confidence
in these SCA level winds reaching the western portion of the santa
barbara channel. Increasing confidence in a long-period, large nw
swell arriving Thursday and lasting through at least the weekend.

Patchy dense fog is likely across the coastal waters north of
point conception through the morning.

Lox watches warnings advisories
Ca... None.

Pz... None.

Hazard potential outlook (wed-sun)
Gusty sundowner winds are expected for southern santa barbara
county Thursday through Sunday. Gusty northerly winds also
possible for the interstate 5 corridor region Friday through
Sunday.

Public... Rorke
aviation... Rorke
marine... Stewart
synopsis... Kj
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 NNE 4.1 G 4.1 63°F 67°F1012.8 hPa
PSXC1 27 mi43 min Calm G 2.9
BAXC1 28 mi43 min N 5.1 G 6
PXAC1 28 mi43 min NW 4.1 G 5.1
PFXC1 29 mi43 min N 4.1 G 5.1
PFDC1 30 mi43 min WNW 4.1 G 5.1
PRJC1 30 mi43 min N 4.1 G 4.1
AGXC1 31 mi43 min NNW 4.1 G 5.1
OHBC1 - 9410660 - Los Angeles, CA 31 mi49 min 65°F1013 hPa
46256 32 mi31 min 65°F1 ft
46221 - Santa Monica Bay, CA (028) 34 mi35 min 67°F1 ft
46222 - San Pedro, CA (092) 39 mi38 min 68°F1 ft
46253 40 mi31 min 67°F1 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burbank - Bob Hope Airport, CA12 mi68 minNNW 310.00 miOvercast58°F48°F72%1011.6 hPa
Los Angeles / USC Campus Downtown, CA12 mi69 minN 010.00 miOvercast64°F55°F75%1012.2 hPa
Hawthorne, Hawthorne Municipal Airport, CA19 mi68 minN 010.00 miOvercast63°F55°F78%1012.6 hPa
Santa Monica, Santa Monica Municipal Airport, CA19 mi70 minN 010.00 miOvercast61°F55°F81%1012.7 hPa
Van Nuys, Van Nuys Airport, CA19 mi70 minN 09.00 miOvercast58°F55°F90%1012.1 hPa
Los Angeles, Los Angeles International Airport, CA21 mi68 minNW 310.00 miMostly Cloudy64°F57°F78%1012.5 hPa
Fullerton, Fullerton Municipal Airport, CA22 mi68 minN 010.00 miFair59°F53°F81%1012.2 hPa
Long Beach, Long Beach Airport, CA23 mi68 minN 310.00 miPartly Cloudy62°F55°F78%1012.4 hPa

Link to 5 minute data for KEMT

Wind History from EMT (wind in knots)
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Last 24hr------------------------CalmCalmCalmS5CalmCalm3--S8SW8--SW5
1 day ago------------------------N3CalmCalmCalm3NW4CalmS11SW9----Calm
2 days agoS4------------------------46E9
G15
E7----SE5SE6--E3Calm

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Mon -- 03:51 AM PDT     1.12 feet Low Tide
Mon -- 06:58 AM PDT     Sunrise
Mon -- 07:35 AM PDT     Moonset
Mon -- 09:59 AM PDT     5.44 feet High Tide
Mon -- 04:29 PM PDT     0.54 feet Low Tide
Mon -- 06:21 PM PDT     Sunset
Mon -- 07:14 PM PDT     Moonrise
Mon -- 10:33 PM PDT     4.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.82.91.91.31.11.52.33.34.45.25.45.24.43.22.11.10.60.61.123.13.94.44.5

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Mon -- 03:50 AM PDT     1.16 feet Low Tide
Mon -- 06:58 AM PDT     Sunrise
Mon -- 07:35 AM PDT     Moonset
Mon -- 09:59 AM PDT     5.51 feet High Tide
Mon -- 04:26 PM PDT     0.59 feet Low Tide
Mon -- 06:21 PM PDT     Sunset
Mon -- 07:14 PM PDT     Moonrise
Mon -- 10:34 PM PDT     4.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.92.921.31.21.52.33.44.55.25.55.24.43.32.11.20.60.71.22.13.144.54.5

Weather Map
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wmap_P
GEOS 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 (7,2,3,4)
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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.