Sunday, May28, 2017 L-36.com


Marine Weather and Tides
La Crescenta-Montrose, CA

Version 3.4
What's New / NOTES
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 5:41AMSunset 7:59PM Sunday May 28, 2017 3:37 AM PDT (10:37 UTC) Moonrise 8:48AMMoonset 11:08PM Illumination 9% Phase: Waxing Crescent; Moon at 3 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- 232 Am Pdt Sun May 28 2017
Today..Winds variable 10 kt or less...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 1 to 2 ft at 7 seconds.
Tonight..W winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 1 to 2 ft at 6 seconds.
Mon..Winds variable 10 kt or less...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and sw 2 ft at 17 seconds.
Mon night..W winds 10 to 15 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 3 ft at 7 seconds and sw 2 ft at 16 seconds.
Tue..Winds variable 10 kt or less...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 ft at 8 seconds and sw 2 ft at 15 seconds.
Tue night..W winds 10 to 15 kt...becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 3 ft at 8 seconds and sw 2 ft at 14 seconds.
Wed..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 3 ft and sw 2 ft.
Thu..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 232 Am Pdt Sun May 28 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 1022 mb high pressure center was located 400 nm west of point conception while a 1007 mb thermal low was centered over southern nevada.

7 Day Forecast for Marine Location Near La Crescenta-Montrose, CA
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location: 34.26, -118.28     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 281021
afdlox
area forecast discussion
national weather service los angeles oxnard ca
321 am pdt Sun may 28 2017

Synopsis
An upper level ridge of high pressure and a lowering marine layer
will support a warming trend through early next week. The high will
be replaced by a weak upper level trough of low pressure by the
middle of next week providing a cooling trend with more widespread
night and morning low clouds for the coast and valleys.

Short term (tdy-tue)
pleasant but rather dull on tap for the next three days. All mdls
agree that a 582 dm ridge will persist over the area today and
Monday with a trof moving into the area Monday night and lasting
into Tuesday.

Marine layer stratus is struggling to develop due to a weak
inversion and offshore trends. The only exception is western sba
county where westerly flow has produced a backwards building
stratus deck. Patchy stratus will develop towards dawn over the la
and vta coasts and the san gabriel vly as continued radiational
cooling increases the low level humidities close to 100%.

Whatever the morning stratus pattern skies everywhere will be
sunny by mid to late morning. The increasing hgts... Offshore
trends and abundant sunshine will all contribute to 3 to 6 degrees
of warming across the area and most MAX temps will end up 2 to 4
degrees above normal.

Not much change in the weather for Monday. The stratus may be a
little better developed as the inversion will be stronger. Max
temps will be up 1 to 2 degrees from todays readings.

Tuesday will see the arrival of a weak trof along with an increase
in the onshore flow both to the west and north. This will likely
spin up an eddy. Look for significant increase in morning low
cloud coverage ESP for the vlys. Still the onshore flow and the
inversion will not be strong enough to prevent total clearing max
temps will fall with the biggest drops in the vlys and the
smallest inland.

Long term (wed-sat)
the GFS and ec agree that a fairly sharp (at least for this time
of year) upper level trough will move across the forecast area on
Wednesday. This system will continue to deepen the marine layer
which will continue to cool the coasts and vlys. Lowering hgts
will allow some cooling inland also. The PVA with this trof moves
across during MAX heating and while it is still on the dry side
there is a 20 percent chc of a tstm.

A little ridge will bring a decrease in marine layer coverage as
well as a noticeable bump up in temps on Thursday.

The forecast is a little muddled for Friday and Saturday as the
gfs continues the ridge while the ec brings in a weak trof. The
night through morning low cloud pattern should continue but to
what degree will be dependent on which pattern actually develops.

Aviation
28 06z
at 03z at klax... The inversion was based near 1850 feet. The top
of the inversion was near 4950 feet with a temperature of about
17 degrees celsius.

Overall... Moderate to high confidence in the current tafs.

Lifr ifr conditions will develop at most coastal locations by 10z
then will clear by 18z. There is a forty percent chance of
lifr ifr conditions at kbur and kvny in the 12z-17z period and a
thirty percent chance at kprb and ksba in the 10z-17z period.

Lifr ifr conditions will likely develop at coastal and adjacent
valley locations after 29 03z. Otherwise and elsewhereVFR
conditions will prevail.

Klax... Moderate confidence in the current taf. Lifr ifr conditions
will develop around 12z and clear around 17z... Then
return again around 29 03z. OtherwiseVFR conditions will prevail.

No east winds above 7 knots are expected.

Kbur... Moderate confidence the current taf. There is a forty
percent chance of lifr ifr conditions in the 12z-17z period then
the conditions will likely develop after 29 03z. OtherwiseVFR
conditions will prevail.

Marine
28 200 am
small craft advisory (sca) conditions continue across the outer
waters into at least Tuesday though there will be periods during
overnight and early morning hours when winds dip below SCA levels.

Sca conditions will begin in the nearshore waters of the central
coast this afternoon and continue into at least Tuesday. There
will be periods during the overnight and early morning hours when
conditions will dip below SCA levels. The stronger winds will
spill into the western half of the santa barbara channel each
evening but not far enough to warrant a SCA for the entire
channel.

The elevated winds will create a short period chop over all
waters including the santa barbara channel and santa monica basin
in the inner waters. The winds peak Monday and Tuesday and there
is a thirty percent chance that gale conditions form beyond 30 nm
of the central coast.

Lox watches warnings advisories
Ca... None.

Pz... Small craft advisory in effect from 3 pm this afternoon to 9
am pdt Tuesday for zone 645. (see laxmwwlox).

Small craft advisory in effect until 9 am pdt Tuesday for
zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (tue-sat)
no significant hazards expected.

Public... Rorke
aviation... Kj
marine... Kj
synopsis... Sirard
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 21 mi56 min NE 4.1 G 4.1 60°F 61°F1016.2 hPa
PSXC1 34 mi50 min ENE 4.1 G 4.1
PXAC1 34 mi62 min Calm G 1
BAXC1 34 mi50 min SE 1.9 G 2.9
46221 - Santa Monica Bay, CA (028) 34 mi38 min 62°F4 ft
PFXC1 36 mi50 min ESE 1.9 G 2.9 61°F
PFDC1 36 mi50 min Calm G 1
PRJC1 37 mi50 min NNE 2.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 37 mi50 min 58°F1016.3 hPa
AGXC1 38 mi50 min WSW 6 G 7 60°F 1016.3 hPa
46256 39 mi46 min 59°F2 ft
46222 - San Pedro, CA (092) 44 mi79 min 62°F3 ft
46253 47 mi68 min 63°F3 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burbank - Bob Hope Airport, CA6 mi45 minE 310.00 miFair59°F48°F69%1014.9 hPa
Van Nuys, Van Nuys Airport, CA12 mi47 minN 010.00 miFair58°F50°F75%1015.4 hPa
Los Angeles / USC Campus Downtown, CA17 mi51 minN 010.00 miFair61°F55°F81%1015.7 hPa
Santa Monica, Santa Monica Municipal Airport, CA18 mi47 minN 010.00 miFair58°F53°F84%1016 hPa
Los Angeles, Los Angeles International Airport, CA23 mi45 minSSW 310.00 miFair59°F57°F93%1015.8 hPa
Hawthorne, Hawthorne Municipal Airport, CA23 mi45 minSW 310.00 miFair59°F55°F90%1016.1 hPa

Wind History from BUR (wind in knots)
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Last 24hrNE3CalmSW3CalmCalmCalmS6S8E5S8SW8SW8SW9SE10S9S8S5S5S3CalmW3Calm3E3
1 day agoSE4S5SE5S4S5S5SE5E4S5S6S10S7S86S6S7S5SE5S3W4NW3W4CalmCalm
2 days agoS6S7S6S5SE9SE9SE74S8SE654S9S8S8S11S7S6S4S5S6SE5S5SE4

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Sun -- 05:45 AM PDT     Sunrise
Sun -- 06:20 AM PDT     -1.37 feet Low Tide
Sun -- 08:50 AM PDT     Moonrise
Sun -- 01:00 PM PDT     3.99 feet High Tide
Sun -- 05:46 PM PDT     2.03 feet Low Tide
Sun -- 07:57 PM PDT     Sunset
Sun -- 11:08 PM PDT     Moonset
Sun -- 11:55 PM PDT     6.04 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.25.23.82.10.5-0.7-1.3-1.2-0.50.61.933.743.83.22.62.222.43.14.15.15.8

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Sun -- 05:45 AM PDT     Sunrise
Sun -- 06:20 AM PDT     -1.34 feet Low Tide
Sun -- 08:50 AM PDT     Moonrise
Sun -- 01:00 PM PDT     4.02 feet High Tide
Sun -- 05:46 PM PDT     2.06 feet Low Tide
Sun -- 07:57 PM PDT     Sunset
Sun -- 11:08 PM PDT     Moonset
Sun -- 11:56 PM PDT     6.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.25.33.82.10.5-0.7-1.3-1.2-0.50.71.933.843.83.32.72.22.12.43.14.15.15.8

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 (6,6,7,8)
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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.