Tuesday, March28, 2017 L-36.com


Marine Weather and Tides
Torrance, 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 6:43AMSunset 7:13PM Tuesday March 28, 2017 2:38 PM PDT (21:38 UTC) Moonrise 7:21AMMoonset 8:08PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 206 Pm Pdt Tue Mar 28 2017
Tonight..From point mugu to santa Monica...nw winds 15 to 20 kt becoming ne 20 to 25 kt after midnight. Elsewhere...nw winds 15 to 20 kt becoming 5 to 10 kt after midnight. Wind waves 2 to 3 ft. W swell 3 to 5 ft at 17 seconds.
Wed..From point mugu to santa Monica...ne winds 20 to 25 kt becoming 10 to 15 kt in the afternoon. Elsewhere...ne winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 4 to 5 ft at 16 seconds.
Wed night..W winds 10 to 15 kt...becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 15 seconds.
Thu..Winds variable 10 kt or less...becoming W 10 to 20 kt with local gusts to 25 kt in the afternoon. Wind waves 2 ft or less... Becoming 2 to 4 ft in the afternoon. W swell 2 to 4 ft at 11 seconds.
Thu night..Western portion...nw winds 30 to 35 kt becoming 15 to 20 kt after midnight. Elsewhere...nw winds 15 to 20 kt becoming N after midnight. Combined seas 5 to 7 ft dominant period 9 seconds.
Fri..From point mugu to santa Monica...ne winds 15 to 20 kt becoming nw 20 to 25 kt in the afternoon. Elsewhere...ne winds 5 to 10 kt becoming nw 15 to 20 kt in the afternoon. Wind waves 2 to 4 ft. W swell 4 to 5 ft at 14 seconds.
Fri night..NW winds 15 to 25 kt with gusts to 30 kt...becoming N 5 to 10 kt after midnight. Combined seas 6 to 8 ft dominant period 13 seconds...subsiding to 5 to 6 ft dominant period 12 seconds after midnight.
Sat..NW winds 10 to 20 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft.
Sun..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft.
PZZ600 206 Pm Pdt Tue Mar 28 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 20z...or 1 pm pst...a 1030 mb high pressure center was located 550 nm northwest of point conception and a 1000 mb low pressure center was located over new mexico. Winds will be elevated during much of this coming week. Gales will possibly return again Thursday and Friday. Short period seas will dominate the waters due to persistent northwest winds.

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 281813
afdlox
area forecast discussion
national weather service los angeles/oxnard ca
1113 am pdt Tue mar 28 2017

Synopsis
Weakening offshore flow and ridging aloft will bring a warming
trend through Wednesday. A trough of low pressure will bring
cooler conditions by Friday with another round of gusty offshore
winds. Warmer condition will return this weekend as another ridge
aloft builds into the region. Cooler conditions are likely early
next week as a trough of low pressure moves into the west coast.

Short term (tdy-thu)
still some lingering north winds this morning but winds peaked
overnight. Warnings have expired and replaced with advisories
through early afternoon. 12z NAM was stronger with the upper
support for northeast winds tomorrow than it was yesterday but
that seems a little odd given the upper level pattern. Gradient is
stronger which is typical but that by itself shouldn't be enough
for advisory level winds. GFS depiction of the upper level
support seems more in line with what would be expected and for now
am inclined to not go with advisory level santa ana winds
tomorrow across la/ventura counties. However, both models do
support one more evening of at least low end advisory level
northerly winds through and below the santa ynez range.

***from previous discussion***
an upper ridge amplifying off the west coast today will cause
heights and thicknesses, and temps aloft to rise. This will bring
several degrees of warming to the entire area today, especially
west of the mountains where compressional warming due to offshore
flow will assist in the warming process. MAX temps should reach
or exceed 80 degrees in warmer coastal and valley areas today.

The ridge will continue to build tonight and Wed and heights and
thicknesses will continue to rise. Low level flow will remain
offshore, likely enough for some gusty NE winds across l.A. And
vtu counties, but winds will probably remain advisory levels. Max
temps will jump again on wed, possibly getting close to 90
degrees in some valley areas.

An upper level trough will evolve into an upper low as it moves
through the pac NW into the great basin on thu. Gusty west to
northwest winds should develop in the mountains, in the antelope
valley and on the central coast during the afternoon as the its
dry frontal system pushes across the region and subsidence sweeps
into the area. There should be several degrees of cooling in most
areas on thu.

Long term (fri-mon)
the upper low will drift east southeastward Thu night, reaching
the four corners area Fri morning. It looks as though the wind
pattern Thu night and early Fri will be very similar to this
current wind event, with widespread advisory level winds across
the region, and possibly low end high wind warning level wind
gusts in a few locations. MAX temps on Fri should be similar to
those on Thu in most areas. An upper ridge will build into the
west coast sat, and low level flow will turn northeasterly. This
should bring significant warming to most areas, and MAX temps
will probably rise back into the 80s in the valleys. A trough will
approach the pac NW on Sunday, but heights will remain rather
high across the region, so it should remain rather warm. There
could be some cooling sun, especially across the coastal plain.

More significant and widespread cooling is expected Monday as the
trough digs down the west coast and into ca. The latest run of the
gfs suggests that some rain is not out of the question across
portions of the forecast area late Sun night into Monday. The ec
is much weaker with this trough, showing much less cooling and
little if any chance of rain.

Aviation 28/1800z.

At 1703z at klax... There was no marine inversion.

High confidence inVFR conditions through the next 24 hours.

Klax... High confidence in the 18z taf.VFR conditions are
expected.

Kbur... High confidence in the 18z taf.VFR conditions are
expected.

Marine 28/900 am.

Across the outer waters... Posted another gale warning for this
afternoon as model solutions project 45 kt gusts in the western
sections late this afternoon through much of tonight. Small craft
advisory winds will resume Wednesday and continue into Wednesday
night. By late Thursday, wind speeds in the outer waters may
again increase to gale warning criteria.

Across the inner waters... A SCA for hazardous seas is in effect
through this afternoon south of point conception due to steep and
choppy waves. Gale level winds may affect the inner waters on
Thursday and Friday.

Lox watches/warnings/advisories
Ca... High surf advisory in effect until 2 pm pdt Wednesday for
zones 34-35. (see laxcfwlox).

Beach hazards statement in effect through Wednesday afternoon
for zones 40-41-87. (see laxcfwlox).

Wind advisory in effect until 2 pm pdt this afternoon for
zones 44>46-53-54-88-547. (see laxnpwlox).

Pz... Small craft advisory for hazardous seas in effect until 3 pm
pdt this afternoon for zones 650-655. (see laxmwwlox).

Small craft advisory in effect until noon pdt Thursday for
zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (thu-mon)
another round of strong and gusty northwest to north winds may
affect much of the region Thu night into Fri morning.

Public... Db
aviation... Sweet
marine... Sweet
synopsis... Munroe
weather.Gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PXAC1 7 mi51 min SSW 8.9 G 12
BAXC1 8 mi51 min SW 8.9 G 11
OHBC1 - 9410660 - Los Angeles, CA 9 mi51 min 60°F1016 hPa
PFDC1 9 mi51 min SW 9.9 G 12
PSXC1 9 mi51 min SW 8 G 11
PFXC1 10 mi51 min WSW 9.9 G 12 72°F 1014.9 hPa
AGXC1 10 mi51 min WSW 13 G 17 64°F 1016.1 hPa
PRJC1 12 mi51 min WSW 17 G 19
ICAC1 - 9410840 - Santa Monica Pier 14 mi57 min SSW 9.9 G 11 63°F 58°F1016.2 hPa
46221 - Santa Monica Bay, CA (028) 14 mi39 min 60°F5 ft
46222 - San Pedro, CA (092) 14 mi50 min 61°F5 ft
46253 20 mi39 min 61°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 36 mi179 min NW 18 G 21 60°F 60°F1017.4 hPa50°F

Wind History for Los Angeles Berth 161,
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SE6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Torrance, Zamperini Field Airport, CA3 mi52 minVar 510.00 miPartly Cloudy73°F33°F23%1015.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA8 mi46 minWSW 1010.00 miFair73°F37°F27%1015.8 hPa
Los Angeles, Los Angeles International Airport, CA8 mi46 minSSW 1310.00 miPartly Cloudy73°F41°F32%1015.8 hPa
Long Beach, Long Beach Airport, CA12 mi46 minWSW 710.00 miFair76°F21°F13%1015.4 hPa
Los Angeles / USC Campus Downtown, CA15 mi52 minVar 310.00 miFair78°F41°F27%1014.9 hPa
Santa Monica, Santa Monica Municipal Airport, CA15 mi48 minSSW 910.00 miFair72°F39°F30%1015.8 hPa
Los Alamitos U. S. Army Airfield, CA18 mi1.7 hrsWSW 710.00 miA Few Clouds74°F41°F31%1016.5 hPa
Fullerton, Fullerton Municipal Airport, CA21 mi46 minN 410.00 miFair78°F32°F19%1014.9 hPa

Wind History from TOA (wind in knots)
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Last 24hr--W20
G28
W18
G25
W14
G22
W14
G23
W18--------------------S5CalmNW433355
1 day agoSW10W12W9W12W10W7--------------------SW4CalmCalm4SW3W7NW13W13
2 days agoSW9
G20
SW12W15
G19
--W9W6--------------------CalmCalmCalmCalm--S5E4NE6

Tide / Current Tables for King Harbor, Santa Monica Bay, California
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King Harbor
Click for Map
Tue -- 04:11 AM PDT     -0.06 feet Low Tide
Tue -- 06:45 AM PDT     Sunrise
Tue -- 07:21 AM PDT     Moonrise
Tue -- 10:20 AM PDT     5.06 feet High Tide
Tue -- 04:26 PM PDT     -0.09 feet Low Tide
Tue -- 07:11 PM PDT     Sunset
Tue -- 08:07 PM PDT     Moonset
Tue -- 10:39 PM PDT     5.34 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
42.71.40.4-00.212.23.44.554.94.231.70.6-000.71.93.24.45.25.3

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Tue -- 04:17 AM PDT     -0.06 feet Low Tide
Tue -- 06:46 AM PDT     Sunrise
Tue -- 07:21 AM PDT     Moonrise
Tue -- 10:25 AM PDT     5.06 feet High Tide
Tue -- 04:32 PM PDT     -0.09 feet Low Tide
Tue -- 07:11 PM PDT     Sunset
Tue -- 08:07 PM PDT     Moonset
Tue -- 10:44 PM PDT     5.34 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.12.81.50.5-00.10.923.34.454.94.33.11.80.70-00.61.83.14.45.25.3

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 (17,4,5,8)
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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.