Friday, March22, 2019 L-36.com


Marine Weather and Tides
Manhattan Beach, 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 6:54AMSunset 7:07PM Thursday March 21, 2019 11:52 PM PDT (06:52 UTC) Moonrise 8:08PMMoonset 7:39AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 812 Pm Pdt Thu Mar 21 2019
Tonight..W to nw winds 10 to 15 kt with local gusts to 20 kt, becoming 5 to 10 kt late. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 11 seconds.
Fri..Winds variable 10 kt or less, becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 11 seconds.
Fri night..W winds 15 to 20 kt, becoming 10 to 15 kt after midnight. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 8 seconds.
Sat..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 5 ft at 10 seconds.
Sat night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 4 to 5 ft at 9 seconds.
Sun..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 5 ft at 15 seconds.
Sun night..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft at 14 seconds.
Mon..W winds 10 to 15 kt. Wind waves 2 ft. W swell 3 ft.
Tue..W winds 10 to 15 kt. Wind waves 2 ft. W swell 2 to 3 ft. Slight chance of showers.
PZZ600 812 Pm Pdt Thu Mar 21 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 02z...or 7 pm pdt...a 1023 mb surface high was about 600 nm southwest of los angeles. A 1010 mb surface low was centered in arizona. This general pattern will persist through Sat.


7 Day Forecast for Marine Location Near Manhattan Beach, CA
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location: 33.88, -118.41     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 220318
afdlox
area forecast discussion
national weather service los angeles oxnard ca
818 pm pdt Thu mar 21 2019

Synopsis 21 732 pm.

Scattered showers will wind down for most areas this evening, but
lingering showers are possible over the mountains until midnight.

Friday will be dry, but clouds will increase through the day as
another storm system approaches. Light rain and mountain snow will
be possible on Saturday. Below normal temperatures are expected
to continue through the weekend.

Short term (thu-sun) 21 818 pm.

Broad troughing over the state continues to move east this
evening. A few clouds and isolated shower activity remain over
the area, but a drying trend is starting to take shape as a ridge
of high pressure just off the california coast builds into the
region from the west. Warming will take place on Friday as the
ridge asserts itself over the region, but temperatures will still
remain below seasonal normals for this time of year.

Stratus clouds cannot be ruled out across the coastal and valley
areas as ridging aloft builds in over a moist layer near the
surface. The best chance of any stratus will be areas north of
point conception, but with the moist soils, patchy ground fog is
certainly possible. The least likely place to see any low clouds
and fog will be southern santa barbara county, where northerly
low-level flow will likely keep stratus out of the area. Locally
gusty winds could develop in the usual windy spots for northerly
winds, such as southern santa barbara county and through the
interstate 5 corridor. These winds are not expected to become
widespread.

No updates to the forecast are planned at this time.

***from previous discussion***
the next system will start pushing in early Saturday. This one
still seems to stay mostly north of pt conception as most of the
energy will be deflected to the north due to the previous ridge.

But most areas will see plenty of clouds through the morning and
early afternoon hours before drier northwest flow kicks in. Rain
amounts for northern areas expected to be a quarter inch or less
in most areas but locally up to a half inch in the slo county
coastal hills.

Dry and warmer Sunday with light offshore flow and weak ridging
aloft.

Long term (mon-thu) 21 224 pm.

Another trough tries to push onshore Monday. The models are still
at odds as to how far south the moisture will reach with the ecmwf
still favoring the ridge and keeping everything north. There are
enough ensemble solutions to at least go with a chance of rain for
northern areas Monday and Monday night but dry conditions expected
south of pt conception.

Models follow that up with another trough late Tue wed. Here again
best chances northern areas but this one has a better chance of
reaching la county, especially if the latest ECMWF is correct. A
vast majority of GFS ensembles keep it dry at least for la county
but certainly worth a chance of rain at this point given the
pattern.

Thursday looks dry for now but enough variations in the ensembles
to keep a slight chance of rain going for now until there's a
better model consensus.

Aviation 21 2327z.

At 2300z, there was no marine layer or inversion at klax.

Moderate confidence inVFR sct-bkn050 through 02-03z, with MVFR
bkn025 with any -shra that occurs. After 03z, moderate confidence
inVFR conditions through the remainder of the period. There is a
20 percent chance of MVFR CIGS for coastal sites, and a 10
percent chance of ifr lifr fg br around 12z Friday, with the
highest chance at kprb.

Klax... Moderate confidence in the 00z taf. 30% chance that vcsh
conditions persist 1-2 hrs past 03z. Moderate confidence inVFR
conditions through the period, except for a few hours of MVFR cigs
between 12-17z.

Kbur... Moderate confidence in the 00z taf. 30% chance of MVFR
conditions in vcsh through 05z. Moderate confidence inVFR
conditions through the period, except 30% chance of MVFR
cigs vsby between 12-17z.

Marine 21 817 pm.

Winds have diminished below SCA levels this evening. There is a
decent chance that west to northwest winds will increase to
small craft advisory (sca) strength Fri afternoon and evening,
especially beyond 20 miles from the coast. These winds will also
generate choppy seas on top of the long period west to northwest
swell. Northwest winds will increase some on Saturday with sca
likely off the central coast, and a large long period northwest
swell building in. SCA level seas are possible across the
northern outer waters Sun into Sun night. Otherwise, SCA conds
are not expected Sun thru tue.

Lox watches warnings advisories
Ca... None.

Pz... Small craft advisory in effect until 9 pm pdt this evening
for zones 650-655-676. (see laxmwwlox).

Hazard potential outlook (sun-thu)
High surf and dangerous rip currents are expected over the
weekend.

Public... Hall mw
aviation... Smith
marine... Kittell db
synopsis... Smith stewart
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 10 mi34 min NW 1.9 G 2.9 55°F 60°F1020.9 hPa
PXAC1 11 mi64 min WSW 6 G 7
BAXC1 12 mi40 min SSE 6 G 7
46221 - Santa Monica Bay, CA (028) 12 mi52 min 58°F5 ft
PSXC1 12 mi34 min WSW 2.9 G 5.1
OHBC1 - 9410660 - Los Angeles, CA 13 mi34 min 61°F1021.1 hPa
PFDC1 13 mi34 min SW 2.9 G 4.1
AGXC1 14 mi34 min W 5.1 G 5.1 56°F 1021 hPa
PFXC1 14 mi34 min W 4.1 G 6 56°F
PRJC1 16 mi34 min W 4.1 G 5.1
46256 17 mi22 min 59°F4 ft
46222 - San Pedro, CA (092) 19 mi52 min 58°F5 ft
46253 24 mi22 min 60°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 35 mi32 min W 9.7 G 14 56°F 58°F1020.8 hPa54°F

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles, Los Angeles International Airport, CA4 mi59 minW 1110.00 miA Few Clouds56°F46°F72%1020.5 hPa
Hawthorne, Hawthorne Municipal Airport, CA5 mi59 minW 410.00 miFair56°F46°F70%1020.7 hPa
Torrance, Zamperini Field Airport, CA7 mi4.1 hrsWSW 610.00 miPartly Cloudy54°F48°F82%1020 hPa
Santa Monica, Santa Monica Municipal Airport, CA11 mi61 minN 010.00 miFair53°F45°F74%1020.6 hPa
Los Angeles / USC Campus Downtown, CA12 mi65 minN 010.00 miFair54°F46°F75%1020.4 hPa
Long Beach, Long Beach Airport, CA14 mi59 minN 010.00 miFair56°F46°F72%1020.7 hPa
Los Alamitos Army Airfield, CA20 mi1.9 hrsE 310.00 miA Few Clouds50°F46°F87%1021 hPa
Burbank - Bob Hope Airport, CA22 mi59 minN 010.00 miFair51°F44°F77%1019.4 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi59 minN 010.00 miFair52°F46°F80%1020.6 hPa
Van Nuys, Van Nuys Airport, CA23 mi61 minN 010.00 miFair51°F44°F77%1019.8 hPa

Wind History from LAX (wind in knots)
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Last 24hrW11W6W8W11W9W8W10W105E3CalmS5SW8S6SW10SW10SW11W11--W11W12W10W11W11
1 day agoSE9E12SE10SE7SE5SE6SE6SE4E5553NW3W11W12W13W17W15W15W13W15W13W16W15
2 days agoE5CalmCalmW4CalmCalmSE3CalmCalmCalmSE6CalmW7W8W104SE10SE6SE9E8S10
G14
SW7SE4SE6

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Fri -- 05:07 AM PDT     -0.21 feet Low Tide
Fri -- 06:54 AM PDT     Sunrise
Fri -- 08:15 AM PDT     Moonset
Fri -- 11:15 AM PDT     5.11 feet High Tide
Fri -- 05:20 PM PDT     -0.01 feet Low Tide
Fri -- 07:06 PM PDT     Sunset
Fri -- 09:15 PM PDT     Moonrise
Fri -- 11:33 PM PDT     5.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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542.61.20.2-0.20.10.92.23.54.65.14.94.12.91.60.600.10.92.13.44.65.2

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Fri -- 04:59 AM PDT     -0.21 feet Low Tide
Fri -- 06:55 AM PDT     Sunrise
Fri -- 08:15 AM PDT     Moonset
Fri -- 11:05 AM PDT     5.22 feet High Tide
Fri -- 05:12 PM PDT     -0.01 feet Low Tide
Fri -- 07:07 PM PDT     Sunset
Fri -- 09:16 PM PDT     Moonrise
Fri -- 11:23 PM PDT     5.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.93.92.51.10.1-0.20.11.12.53.84.85.24.942.81.50.500.212.33.74.85.4

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 (2,6,7,8)
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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.