Thursday, April18, 2019 L-36.com


Marine Weather and Tides
Torrance, 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 6:17AMSunset 7:28PM Thursday April 18, 2019 9:19 AM PDT (16:19 UTC) Moonrise 6:53PMMoonset 6:09AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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- 834 Am Pdt Thu Apr 18 2019
Today..Winds variable 10 kt or less, becoming W 10 to 15 kt with local gusts to 20 kt in the afternoon. Wind waves 1 to 3 ft. Mixed swell W 2 ft at 14 seconds and S 2 ft at 15 seconds. Patchy dense fog with vsby 1 nm or less.
Tonight..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 14 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
Fri..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 3 ft at 16 seconds. Patchy fog in the morning.
Fri night..W winds 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Wind waves 2 ft or less. S swell 3 ft at 15 seconds.
Sat..Winds variable 10 kt or less, becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 15 seconds.
Sat night..Western portion, nw winds 15 to 20 kt. Elsewhere, sw winds around 10 kt. Wind waves 2 to 3 ft. W swell 5 to 6 ft at 7 seconds.
Sun..W winds 15 to 20 kt with gusts to 25 kt. Combined seas 4 to 6 ft.
Mon..SW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 834 Am Pdt Thu Apr 18 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 15z...or 8 am pdt...a 1026 mb surface high was centered 600 nm west of point conception while a 1016 mb thermal low was centered over southwest arizona. This pattern will persist into Friday, then high pressure will push closer to the coast and strengthen over the weekend, resulting in widespread gusty winds and choppy seas.


7 Day Forecast for Marine Location Near Torrance, CA
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location: 33.82, -118.38     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 181212
afdlox
area forecast discussion
national weather service los angeles oxnard ca
512 am pdt Thu apr 18 2019

Synopsis 18 243 am.

It will be warm today under fair skies. Friday will remain warm
but an earlier sea breeze will knock temperatures down a few
degrees. A couple of approaching upper level troughs will bring
strong onshore flow and much cooler temperatures for the weekend.

Short term (tdy-sat) 18 311 am.

A ridge sits over the state and 584 dm hgts are over SRN ca. At
the sfc there is weak offshore flow from both the north and the
east. Some high level clouds running ahead of a low pressure
system will make the skies partly cloudy. MAX temps will run about
10 degrees above normal.

The upper low will approach SRN ca tonight and Friday. The
offshore flow will flip to onshore. The onshore flow and the lift
from the approaching trof will bring stratus decks to the la
county coast and the central coast later tonight. The onshore flow
and falling hgts will lower MAX temps with the biggest drops along
the coasts... ESP the central coast. Still MAX temps will remain
above normal. The low is in a pretty good position for tstm
development and the Sun angle is high enough to create some
convective updrafts in the mtns. The real question is the
availability of moisture. The GFS does have some moisture and does
develop mtn storms later this afternoon. No other mdl shows this
however so think the most likely scenario is just for some mtn
build ups. But will have to monitor things this afternoon.

The trof will roll through the state on Saturday. More importantly
a sfc low will move into the east of the state setting up a 9+ mb
gradient to kdag. The trof passage and huge increase in onshore
flow will gin up a robust marine layer stratus pattern that will
cover all of the coasts and vlys as well as some of the coastal
slopes. The strong onshore flow will make it a slow to no clearing
day as well. There will be a strong sea breeze ESP across the
central coast and there will likely be advisory level winds across
the antelope vly as well. The lower hgts... Clouds and onshore
flow will make temps plummet 10 to 15 degrees. MAX temps will end
up 4 to 8 degrees blo normals.

Long term (sun-wed) 18 319 am.

A little trof runs through the area Saturday night and this will
keep the stratus going south of pt conception as well as ushering
in another round of northerly offshore winds.

Both the ec and the GFS agree that a ridge will start to build
into the state on Sunday... Peak Mon and tue... And then begin to
weaken on Wednesday.

Offshore flow from the north will be present on all 4 days but
will be strongest on Sunday. There will be weak onshore flow to
the east on Sun and Monday but this too will switch to offshore on
tue and wed.

Aside from Sundays morning clouds skies will be mostly clear
under the ridge. MAX temps will rise every day and will reach
normals on Monday... Exceed normals on Tuesday and peak on
Wednesday. On Wednesday there will be many readings in the upper
80s and as well as a few in the 90 to 91 degree range. MAX temps
Wednesday will be 10 to 15 degrees above normal.

Aviation 18 1210z.

At 11z, the marine layer at klax was 600 feet deep. The top of
the inversion was located at 2300 feet with a temp of 19c.

Except for some patchy low clouds with ifr to lifr conds across
the south coast of sba county and possibly coastal sections of
vtu county thru mid morning,VFR conditions are expected through
this evening. Areas of low clouds are expected to push into the
central coast and southern coastal sections of l.A. County
tonight, with ifr to lifr conds expected.

Klax... Moderate to high confidence in the 12z taf. There is a
20% chance that low clouds will not affect the airport tonight,
with conds remainingVFR.

Kbur... High confidence in the 12z TAF withVFR conds expected
thru the period.

Marine 18 421 am.

Fairly high confidence in the forecast.

For the outer waters, winds and seas are expected to remain below
small craft advisory (sca) levels thru Fri morning. However,
there could be local SCA level NW winds gusts briefly this
afternoon and evening. SCA level NW winds are expected to develop
in the northern zone (pzz670) late Fri afternoon or evening,
spreading into the other two zones (pzz673 and pzz676) Fri night
or early sat. SCA conds will persist through at least mon. There
is a 50% chance of gale force winds Sat afternoon into Sat night.

For the inner waters north of point sal, winds and seas will
likely remain below SCA levels through Sat morning, then SCA level
nw winds are expected Sat afternoon into Sat night, and again sun
afternoon into Sun night. There is a 20-30% chance of gale force
winds late Sat afternoon eve.

For the inner waters south of point conception, winds and seas
will likely remain below SCA levels through Sat morning, then sca
level W to NW winds are expected Sat afternoon into Sat night,
and again Sun afternoon into Sun night. There is a 20% chance of
gale force winds across western sections late Sat afternoon eve.

Lox watches warnings advisories
Ca... None.

Pz... None.

Hazard potential outlook (sat-wed)
Gusty northerly winds are possible across southern santa barbara
county and through the interstate 5 corridor Saturday through
Sunday. There is a chance of gales across the outer coastal waters
Saturday afternoon through Sunday morning.

Public... Rorke
aviation... Db
marine... Db
synopsis... Stewart
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PXAC1 7 mi37 min SE 1 G 1.9
BAXC1 8 mi43 min NE 1.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 9 mi37 min 60°F1019.9 hPa
PFDC1 9 mi37 min E 1 G 1
PSXC1 9 mi31 min Calm G 1.9
AGXC1 10 mi31 min E 2.9 G 2.9 62°F 1019.8 hPa
PFXC1 10 mi31 min SE 1.9 G 2.9 67°F
PRJC1 12 mi31 min ESE 1 G 2.9
46256 13 mi79 min 58°F3 ft
46221 - Santa Monica Bay, CA (028) 14 mi49 min 59°F4 ft
46222 - San Pedro, CA (092) 14 mi79 min 57°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 14 mi37 min 61°F1019.6 hPa
46253 20 mi109 min 60°F3 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 36 mi29 min SSE 5.8 G 7.8 58°F 59°F4 ft1019.9 hPa

Wind History for Los Angeles Berth 161,
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Torrance, Zamperini Field Airport, CA3 mi30 minN 010.00 miPartly Cloudy64°F51°F64%1019.6 hPa
Hawthorne, Hawthorne Municipal Airport, CA8 mi26 minE 410.00 miFair68°F50°F53%1019.3 hPa
Los Angeles, Los Angeles International Airport, CA8 mi26 minE 410.00 miMostly Cloudy68°F52°F57%1019.3 hPa
Long Beach, Long Beach Airport, CA12 mi26 minN 07.00 miFair65°F50°F59%1019.3 hPa
Los Angeles / USC Campus Downtown, CA15 mi32 minVar 310.00 miFair70°F48°F46%1018.9 hPa
Santa Monica, Santa Monica Municipal Airport, CA15 mi28 minVar 310.00 miFair69°F50°F51%1019.4 hPa
Los Alamitos Army Airfield, CA18 mi23 minN 010.00 miMostly Cloudy65°F51°F63%1019.6 hPa
Fullerton, Fullerton Municipal Airport, CA21 mi26 minN 010.00 miFair68°F48°F51%1018.9 hPa

Wind History from TOA (wind in knots)
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Last 24hrCalm--33W10W13
G21
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--------------------------CalmCalmCalm
1 day agoW8W8W12W10W12SW13W11W11SW12W9SW8--------------------CalmCalmCalm
2 days agoW4W9NW8W12W10W12S7SW9SW12W5W5--------------------E12SW33

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
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Thu -- 03:28 AM PDT     -0.29 feet Low Tide
Thu -- 06:08 AM PDT     Moonset
Thu -- 06:19 AM PDT     Sunrise
Thu -- 09:33 AM PDT     5.03 feet High Tide
Thu -- 03:34 PM PDT     -0.11 feet Low Tide
Thu -- 06:53 PM PDT     Moonrise
Thu -- 07:27 PM PDT     Sunset
Thu -- 09:47 PM PDT     5.66 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.11.60.5-0.2-0.20.51.734.24.954.33.21.90.70-00.61.83.24.55.45.65.1

Tide / Current Tables for Los Angeles Harbor, Mormon Island, California
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Los Angeles Harbor
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Thu -- 03:17 AM PDT     -0.30 feet Low Tide
Thu -- 06:08 AM PDT     Moonset
Thu -- 06:18 AM PDT     Sunrise
Thu -- 09:24 AM PDT     5.14 feet High Tide
Thu -- 03:23 PM PDT     -0.11 feet Low Tide
Thu -- 06:52 PM PDT     Moonrise
Thu -- 07:26 PM PDT     Sunset
Thu -- 09:38 PM PDT     5.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.91.40.3-0.3-0.10.723.34.55.154.33.11.70.6-0.100.82.13.54.85.65.75.1

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 (12,3,4,5)
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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.