Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Rossmoor, CA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:44AMSunset 7:10PM Sunday March 26, 2017 4:08 AM PDT (11:08 UTC) Moonrise 6:02AMMoonset 5:55PM Illumination 1% Phase: Waning Crescent; Moon at 28 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- 308 Am Pdt Sun Mar 26 2017
Today..NE winds 5 to 10 kt...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 6 ft at 10 seconds.
Tonight..Western portion...nw winds 15 to 20 kt. Elsewhere...sw winds 10 to 15 kt becoming W 5 to 10 kt after midnight. Combined seas 3 to 5 ft dominant period 7 seconds.
Mon..Western portion...nw winds 15 to 20 kt. Elsewhere...nw winds 5 to 15 kt. Combined seas 3 to 5 ft dominant period 8 seconds...building to 5 to 7 ft dominant period 8 seconds in the afternoon.
Mon night..NW winds 15 to 25 kt with local gusts to 30 kt. Combined seas 7 to 10 ft dominant period 10 seconds.
Tue..NW winds 10 to 20 kt...becoming W 15 to 20 kt in the afternoon. Local gusts to 25 kt. Wind waves 2 to 4 ft. W swell 6 to 7 ft at 10 seconds.
Tue night..NW winds 10 to 20 kt...becoming ne 5 to 10 kt after midnight. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 11 seconds.
Wed..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
Thu..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 5 ft.
PZZ600 308 Am Pdt Sun Mar 26 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 pst...a 1025 mb high pressure center was located 600 nm southwest of point conception and a 987 mb low pressure center was located in the gulf of alaska. Winds will be elevated during the next few days and widespread gale force winds will be possible across the outer waters Monday and Tuesday. A short period swell will impact the coastal waters through early next week.

7 Day Forecast for Marine Location Near Rossmoor, CA
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location: 33.79, -118.07     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 261031
afdlox
area forecast discussion
national weather service los angeles/oxnard ca
331 am pdt Sun mar 26 2017

Synopsis
Despite increasing clouds there will be a few degrees of warming
today. A weak trough on Monday may bring a few light showers over
san luis obispo and santa barbara counties as well as the north
slopes. Gusty north winds will begin Monday night and persist
into Tuesday. Weak ridging aloft will bring warm and dry
conditions for the middle of next week.

Short term (tdy-tue)
a fast moving ridge will move through the area today. It is not
strong enough to deflect the overrunning clouds in front a weak
frontal system to the NW so mid and high clouds will increase
today and all areas should be mostly cloudy by mid afternoon.

There is some low level moisture and it is turning to clouds as it
is lifted up the north slopes and also in the santa ynez vly
where west winds are helping lift the moisture up the hillsides.

Patchy stratus will also form over the la coastal areas this
morning do to radiational cooling of the low level moist layer.

Despite the clouds the ridge will allow for a degree or two of
warming.

A weak trof and an even weaker front will graze the area on
Monday. It will make for a mostly cloudy morning. There is little
dynamics or low level moisture with this system and it will only
bring a chc of a light shower or two to slo county and the north
slopes of the mtns. The clouds and the lower hgts assoc with the
trof will knock a few degrees off of the MAX temps. MAX temps will
end up 3 to 5 degrees blo normal.

The biggest weather concern for the next 7 days will start Monday
evening and last into Tuesday morning. Cool air advection and
quickly increasing sfc pressure gradients will combine with strong
n flow aloft to set up a potential for a very strong wind event.

A high wind watch has been posted for the sba/vta/la mtns as well
as the santa clarita vly and the sba south coast. The vta
vlys... The santa monica mtns... The antelope vly and the san
fernando vly will also need wind advisories which will be issued
when the event draws nearer. Gusts to 60 mph are possible in the
watch area and gusts from 45 to 55 mph will be likely in the other
above mentioned areas.

The winds will decrease rather quickly and by late morning
Tuesday there will only be moderate winds. Aside from the
winds... It will be sunny as a strong 576 dm ridge pushes in. Max
temps will jump 4 to 8 degrees and most of the coasts and vlys
will have above normal temps.

Long term (wed-sat)
both the ec and GFS that Wednesday will be the warmest day of the
next 7 as the ridge peaks with 580 dm hgts. The north flow will
switch to the NE and there will be sub advisory canyon winds in
the morning. MAX temps will be 8 to 12 degrees above normal with
almost all of the vly MAX temps in the 80s and the non beach
coastal areas in the mid 70s to lower 80s.

An inside slider will zip down the nv/ca state line Thursday it
will bring onshore flow and cooler conditions as well as setting
the stage for another north wind event Thursday night and Friday
morning.

Both mdls forecast a ridge for Friday its just the GFS forecasts a
very large one and the ec a small one. For now split the
difference and gave the forecast MAX temps in between the sort of
warm ec fcst and the hot GFS solution.

Mdls then go off on the own different ways for Saturday with the
gfs continuing the hot ridge solution and the ec bringing in a
much cooler inside slider. For now shaded forecast towards the
warmer GFS thinking.

Aviation
26/0600z
at 06z at klax there was no marine layer nor an inversion. There
was a 2000 foot moist layer.

Low confidence in the current coastal tafs. There is a 40 percent
chance that MVFR CIGS will develop at sites that do not have cigs
in the forecast and a 40 percent chc that CIGS will not develop at
taf sites that do have CIGS forecast.

Klax... There is a 40 percent chc thatVFR conds will persist
through the period. If MVFR CIGS do develop there is a 30 percent
chc they could last until 23z.

Kbur... Good confidence in TAF there is a 20 percent chc of ifr
cigs 13z-17z.

Marine
26/230 am...

for the outer waters... Small craft advisory (sca) level winds
will continue through at least Monday morning. Gusts to 30 knots
and a few local gusts to 35 knots are possible between san nicolas
and santa rosa islands. Stronger northwest winds are likely by
late Monday morning and continuing through Tuesday and a gale
watch has been issued for that time period.

For the inner waters... There is a sixty percent chance of sca
level winds across the western portion of the santa barbara
channel by this afternoon and a thirty percent chance for the
inner waters of the central coast. There is a sixty five percent
chance of SCA level winds across all of the inner waters Monday
afternoon and Tuesday.

Winds will decrease across the coastal waters on Wednesday but
will remain elevated through at least Thursday.

Lox watches/warnings/advisories
Ca... High wind watch in effect from Monday evening through Tuesday
morning for zones 39-52>54-88. (see laxnpwlox).

Pz... Small craft advisory in effect from 2 pm this afternoon to 11
am pdt Monday for zone 650. (see laxmwwlox).

Small craft advisory in effect until 11 am pdt Monday for
zones 670-673-676. (see laxmwwlox).

Gale watch in effect from Monday morning through Tuesday
afternoon for zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (tue-sat)
strong and gusty north winds will affect the area into early
Tuesday, with the potential for damaging wind gusts especially in
the mountains. Travel will be impacted by the winds over a large
area.

Another round of strong and gusty northwest to north winds will
be possible Thu night in the mountains and along the santa barbara
county south coast, with travel being affected by the winds.

Public... Rorke
aviation... Rorke
marine... Kj
synopsis... B
weather.Gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 7 mi51 min WSW 1.9 G 1.9
PFXC1 8 mi51 min W 1 G 1 57°F 1015.8 hPa
PSXC1 8 mi51 min W 1 G 1.9
BAXC1 9 mi51 min WSW 2.9 G 2.9
46256 9 mi47 min 59°F3 ft
PFDC1 10 mi51 min Calm G 1
PXAC1 10 mi51 min WNW 1.9 G 2.9
AGXC1 11 mi51 min W 1.9 G 1.9 57°F 1016.4 hPa
OHBC1 - 9410660 - Los Angeles, CA 12 mi51 min 60°F1016.5 hPa
46253 16 mi39 min 61°F4 ft
46222 - San Pedro, CA (092) 18 mi50 min 61°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 27 mi57 min NE 2.9 G 5.1 56°F 60°F1016.7 hPa
46221 - Santa Monica Bay, CA (028) 30 mi39 min 60°F4 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Alamitos U. S. Army Airfield, CA1 mi71 minN 010.00 miFair51°F50°F97%1016.5 hPa
Long Beach, Long Beach Airport, CA5 mi76 minN 010.00 miFair56°F51°F84%1016.3 hPa
Fullerton, Fullerton Municipal Airport, CA7 mi76 minN 010.00 miFair55°F51°F87%1016.1 hPa
Santa Ana, John Wayne Airport-Orange County Airport, CA13 mi76 minN 010.00 miFair57°F53°F87%1016.3 hPa
Hawthorne, Hawthorne Municipal Airport, CA17 mi76 minSE 310.00 miOvercast57°F54°F90%1016.4 hPa
Los Angeles / USC Campus Downtown, CA19 mi82 minN 010.00 miPartly Cloudy57°F53°F87%1016.1 hPa
Los Angeles, Los Angeles International Airport, CA20 mi76 minS 310.00 miMostly Cloudy56°F54°F93%1016.3 hPa

Wind History from SLI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalm3SW8SW9S10S12
G18
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1 day agoNE3E4NE3NE3CalmCalmCalmCalmSW8SW9SW12SW12W7W6W8W6W5S3CalmCalmCalmE4SW6SW5
2 days agoCalmW33Calm44W86SW11SW13SW15SW16SW10SW8SW9S4S3CalmSE4CalmCalmNE3E3Calm

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
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Sun -- 03:56 AM PDT     0.47 feet Low Tide
Sun -- 06:02 AM PDT     Moonrise
Sun -- 06:47 AM PDT     Sunrise
Sun -- 09:48 AM PDT     4.50 feet High Tide
Sun -- 04:27 PM PDT     -0.28 feet Low Tide
Sun -- 05:54 PM PDT     Moonset
Sun -- 07:08 PM PDT     Sunset
Sun -- 10:28 PM PDT     4.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
32.11.30.70.50.81.52.63.64.34.54.13.42.31.20.3-0.2-0.20.41.42.63.54.14.1

Tide / Current Tables for Long Beach, Inner Harbor, California
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Long Beach
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Sun -- 02:52 AM PDT     0.72 feet Low Tide
Sun -- 06:02 AM PDT     Moonrise
Sun -- 06:47 AM PDT     Sunrise
Sun -- 08:54 AM PDT     5.22 feet High Tide
Sun -- 03:21 PM PDT     -0.38 feet Low Tide
Sun -- 05:54 PM PDT     Moonset
Sun -- 07:09 PM PDT     Sunset
Sun -- 09:33 PM PDT     4.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.61.60.90.71.11.93.14.255.24.83.92.61.30.2-0.3-0.20.51.62.94.14.74.84.2

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 (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.