Thursday, January24, 2019 L-36.com


Marine Weather and Tides
La Crescenta-Montrose, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:53AMSunset 5:16PM Thursday January 24, 2019 3:17 AM PST (11:17 UTC) Moonrise 10:37PMMoonset 10:39AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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- 810 Pm Pst Wed Jan 23 2019
Tonight..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft at 15 seconds.
Thu..From point mugu to santa Monica, ne winds 10 to 20 kt with local gusts to 25 kt. Elsewhere, N winds 5 to 10 kt. Wind waves 1 to 3 ft. Locally choppy seas. W swell 2 to 4 ft at 14 seconds.
Thu night..N winds 10 to 15 kt, becoming ne 15 to 20 kt after midnight. Wind waves 2 to 3 ft. W swell 2 to 3 ft at 14 seconds.
Fri..NE winds 10 to 15 kt, becoming nw in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 15 seconds.
Fri night..NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 16 seconds.
Sat..From point mugu to santa Monica, ne winds 20 to 25 kt. Elsewhere, N winds 5 to 10 kt becoming nw 15 to 20 kt in the afternoon. Combined seas 2 to 4 ft dominant period 16 seconds.
Sat night..N winds 15 to 20 kt, becoming 5 to 10 kt after midnight. Wind waves 2 to 3 ft. W swell 2 to 3 ft at 16 seconds.
Sun..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
Mon..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 810 Pm Pst Wed Jan 23 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 04z...or 8 pm pst, a 1034 mb surface high about 400 nm west of san francisco will build into the eastern nevada through Thursday, while a 1020 mb thermal trough located over northern baja california will move northwest into the southern california bight. Locally gusty offshore winds and choppy seas will develop nearshore.


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 240514
afdlox
area forecast discussion... Updated
national weather service los angeles oxnard ca
914 pm pst Wed jan 23 2019

Synopsis 23 913 pm.

Periods of gusty offshore winds will continue through Thursday
across many mountain and valley areas and will be strongest during
the morning hours. Temperatures will gradually warm through the
week to above normal as conditions remain dry and sunny.

Short term (wed-sat) 23 909 pm.

A blocking ridge of high pressure remains off the california coast
this evening, while a trough of low pressure is moving through
the great basin. This trough will brush the area to the east and
provide some upper-level support for gusty offshore winds the
next several days. A wind advisory has been issued for most of the
los angeles and ventura county coast, valleys, and mountains
starting early Thursday morning and continuing through at least
mid-day Thursday. There is a decent chance that this advisory will
likely be extended through Friday, or reissued for Thursday night
and Friday. Locally gusty offshore winds are also possible in the
santa lucias tonight and into early Thursday morning with the
strongest winds likely below passes and canyons of the southern
coast ranges.

Low-to-moderate confidence in at least patchy low clouds and
dense fog across the san luis obispo county interior valleys late
tonight and early Thursday morning. Model solutions and guidance
hints at dense fog developing for kprb, but the areal coverage
could be greater.

***from previous discussion***
overnight lows will be chilly in wind protected locations but
expected to be slightly warmer the next couple nights.

Long term (sun-wed) 23 213 pm.

Gradients start trending onshore Sunday as a trough starts to drop
south out of the canadian rockies so look for coast valleys to
cool off a couple degrees, though remaining at least 3-6 degrees
above normal. The main cool down will be Monday with highs
dropping back into the 60s most areas with light onshore flow in
place.

Models still supporting a strong offshore gradient developing
Tuesday behind the trough passage. Both the GFS and ECMWF were
weaker than earlier runs but more so the gfs. The one big factor
lacking at least on the operational runs is upper support. Most of
the trough energy and cold air remain too far to the east so while
the surface gradient should still be enough to generate advisory
level winds the minimal upper support could keep it from being an
even bigger santa ana event. Gradients weaken quite a bit Wed so
it would mostly be a one day wind event.

Aviation 23 2341z.

At 23z, there was no marine layer at klax.

Vfr conditions are expected through the period. There is a chance
of moderate wind shear and turbulence between 04z and 15z at
terminals north of point conception, and south of point
conception after 10z. There is a chance of vlifr to lifr
conditions between 13z and 17z at kprb.

Klax...VFR conditions are expected through the period. There is a
10 percent chance of moderate wind shear and turbulence after
10z. Any east winds should remain less than 7 knots.

Kbur...VFR conditions are expected through the period. There is a
20 percent chance of moderate wind shear and turbulence after
10z.

Marine 23 847 pm.

For the outer waters and inner waters north of point sal, fairly
high confidence in the forecast. Small craft advisory winds will
likely linger near points conception and arguello through late
tonight. There is a 30 percent chance that this advisory could be
extended into Thursday morning. Otherwise, winds and seas are
expected to remain below SCA levels through Sunday.

For the inner waters south of point conception, moderate
confidence in current forecast. Across eastern portions of the
sba channel and the southern inner waters from point mugu to
santa monica, there is a 30 percent chance of small craft
advisory level northeast winds Thursday, increasing to 40 percent
between Thursday night and Friday, and again Friday night and
Saturday.

Lox watches warnings advisories
Ca... Wind advisory in effect from 6 am to noon pst Thursday for
zones 40-41. (see laxnpwlox).

Wind advisory in effect from 3 am to noon pst Thursday for
zones 44>46-53-54-88-547. (see laxnpwlox).

Pz... Small craft advisory in effect until 3 am pst Thursday for
zone 673. (see laxmwwlox).

Hazard potential outlook (sat-wed)
Advisory level north to northeast winds will be possible night
and morning hours Sat for wind-prone areas of ventura and los
angeles counties. These areas may have advisory-level to possible
high wind warning level wind gusts Mon night into tue.

Public... Hall mw
aviation... Hall
marine... Hall
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 21 mi29 min NNW 4.1 G 5.1 55°F 59°F1019.7 hPa
46221 - Santa Monica Bay, CA (028) 34 mi17 min 60°F2 ft
BAXC1 34 mi35 min N 5.1 G 5.1
PSXC1 34 mi29 min NNE 4.1 G 5.1
PXAC1 34 mi29 min NNW 4.1 G 4.1
PFDC1 36 mi29 min WNW 1 G 1.9
PFXC1 36 mi29 min N 4.1 G 4.1 52°F
OHBC1 - 9410660 - Los Angeles, CA 37 mi29 min 60°F1019.8 hPa
PRJC1 37 mi29 min N 2.9 G 5.1
AGXC1 38 mi29 min NNW 5.1 G 5.1 52°F 1019.6 hPa
46256 39 mi47 min 59°F1 ft
46222 - San Pedro, CA (092) 44 mi17 min 59°F2 ft
46253 48 mi17 min 60°F2 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 mi24 minN 010.00 miFair45°F35°F68%1018.7 hPa
Van Nuys, Van Nuys Airport, CA12 mi26 minN 010.00 miFair48°F35°F61%1018.9 hPa
Los Angeles / USC Campus Downtown, CA17 mi30 minN 010.00 miFair48°F37°F66%1019.3 hPa
Santa Monica, Santa Monica Municipal Airport, CA18 mi26 minNE 310.00 miFair51°F37°F61%1019.3 hPa
Hawthorne, Hawthorne Municipal Airport, CA23 mi24 minN 010.00 miFair50°F37°F61%1019.5 hPa
Los Angeles, Los Angeles International Airport, CA23 mi24 minN 010.00 miA Few Clouds52°F36°F55%1019.3 hPa

Wind History from BUR (wind in knots)
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Last 24hrCalmCalmN3CalmNE3CalmCalmCalmCalmCalmCalm4S7S5S5CalmCalmCalmW3CalmN3CalmCalmCalm
1 day agoNW11
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N5N6NW7NW4NE17
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SE8NE3SE6CalmSW4N12N10CalmCalmN5NW10
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2 days agoNW3N13
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Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Thu -- 05:09 AM PST     1.52 feet Low Tide
Thu -- 06:55 AM PST     Sunrise
Thu -- 09:40 AM PST     Moonset
Thu -- 11:09 AM PST     5.67 feet High Tide
Thu -- 05:16 PM PST     Sunset
Thu -- 06:01 PM PST     -0.62 feet Low Tide
Thu -- 09:38 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.13.42.61.81.51.72.43.44.45.35.75.44.63.41.90.6-0.3-0.6-0.30.51.72.93.9

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Thu -- 05:14 AM PST     1.60 feet Low Tide
Thu -- 06:55 AM PST     Sunrise
Thu -- 09:40 AM PST     Moonset
Thu -- 11:12 AM PST     5.62 feet High Tide
Thu -- 05:16 PM PST     Sunset
Thu -- 06:06 PM PST     -0.56 feet Low Tide
Thu -- 09:38 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.23.52.721.61.72.43.34.45.25.65.44.73.52.10.8-0.2-0.6-0.30.51.62.83.9

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 (6,6,7,8)
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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.