Saturday, April29, 2017 L-36.com


Marine Weather and Tides
Palos Verdes Estates, 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 6:03AMSunset 7:37PM Saturday April 29, 2017 8:18 PM PDT (03:18 UTC) Moonrise 9:05AMMoonset 11:25PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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- 209 Pm Pdt Sat Apr 29 2017
.small craft advisory in effect until midnight pdt tonight...
Tonight..W winds 15 to 25 kt...becoming nw 5 to 10 kt after midnight. Combined seas 3 to 5 ft dominant period 11 seconds.
Sun..Winds variable 10 kt or less...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 2 ft at 18 seconds.
Sun night..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 to 3 ft at 10 seconds and S 2 ft at 17 seconds. Patchy fog after midnight.
Mon..Winds variable 10 kt or less...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 16 seconds. Patchy fog in the morning.
Mon night..W winds 10 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
Tue..Winds variable 10 kt or less...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
Tue night..SW winds 10 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 20 seconds. Patchy fog after midnight.
Wed..SW winds 5 to 10 kt. Wind waves 2 ft or less. S swell 3 ft. Patchy fog.
Thu..W winds 10 to 15 kt. Wind waves 2 ft or less. S swell 3 ft. Patchy fog.
PZZ600 209 Pm Pdt Sat Apr 29 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 pdt...a 1030 mb surface high was centered 800 nm northwest of point conception and will change little through at least Tuesday.

7 Day Forecast for Marine Location Near Palos Verdes Estates, CA
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location: 33.81, -118.41     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 292328
afdlox
area forecast discussion
national weather service los angeles/oxnard ca
428 pm pdt Sat apr 29 2017

Synopsis
A high with offshore flow will bring fair skies and above normal
temperatures into Sunday. Next week the onshore flow will bring
the marine layer and cooling to los angeles coast... Otherwise fair
skies and above normal temperatures.

Short term (tdy-tue)
overall, 12z models in good synoptic agreement through the period.

At upper levels, ridge will remain over the eastern pacific,
maintaining a northwest flow pattern aloft over the district. Near
the surface, flow will become weakly onshore to the east and
remain weakly offshore from the north.

Forecast-wise, excitement levels will be low through the period.

For this afternoon/tonight, offshore gradients will continue to
weaken. So, there will be some locally gusty northeast this
afternoon/tonight, but remain below advisory levels. So, the wind
advisories will be allowed to expire at 200 pm today. With the
continued weak offshore flow, skies should remain mostly clear
tonight and Sunday. As for temperatures on Sunday, weak onshore
flow will return on Sunday, so coastal and coastal valley areas
should be cooler (especially along the beaches) while interior
sections actually warm a few degrees.

For Sunday night and Monday, high resolution models continue to
indicate an eddy spinning up over the bight. If this develops as
forecast, some stratus/fog will be likely across the la coastal
plain and southern coastal waters. So, will keep stratus/fog in
the forecast. Other than this potential stratus, skies should
remain mostly clear across the area Sunday night/Monday. As for
temperatures on Monday, coastal/valley areas of ventura/la
counties will cool a few more degrees. However, interior sections
will warm a couple of degrees as well as the central coast (due to
a little offshore push Monday morning).

For Monday night/Tuesday, 12z models indicate little change in any
parameters. So, will go with a relative persistent forecast: clear
skies except for some la county coastal stratus and little change
in temperatures from Monday.

Long term (wed-sat)
overall, 12z models continue to exhibit good synoptic agreement
through the period. At upper levels, ridge will move across the
district Wednesday/Thursday with a unseasonably potent trough
developing along the west coast Friday/Saturday. Near the surface,
weak diurnal flow prevails Wednesday/Thursday then onshore flow
reestablishes on Friday/Saturday.

Forecast-wise, Wednesday/thurday look to be rather benign days.

With upper ridge over the area on Wednesday and to the east on
Thursday, skies should remain mostly clear although some
night/morning stratus will be possible across southern areas.

Temperatures will remain above seasonal normals with Wednesday
likely the warmest day with some slight cooling on Thursday. No
wind issues are anticipated Wednesday/Thursday.

For Friday/Saturday, things start to change. Through the
Friday/Saturday time frame, sharp upper trough will approach the
west coast and develop a closed low off the central coast on
Saturday. With this pattern, onshore flow will be on the increase
which should allow for an increase in night/morning stratus/fog
across the area (especially on Saturday morning). Outside of any
stratus, mid/high level clouds will be on the increase as trough
approaches, but things will remain dry. So with stronger onshore
flow and more cloud cover, temperatures will be exhibiting a
cooling Friday and even more so on Saturday.

Aviation 29/2330z.

At 23z at klax... There was no marine layer or inversion.

High confidence inVFR conditions everywhere through
Sunday... Except for a 10 percent chance for lifr fg at klgb klax
ksmx. More likely Monday morning. Gusty northeast winds will
weaken quickly this evening. Klax klgb koxr klgb should see gusty
west winds into the evening.

Klax... High confidence inVFR conditions through Sunday... Except
for a 10 percent chance of lifr fg 12-16z Monday. West winds with
gusts to 25 kt through early evening. Northwest winds around 10
kt are possible 02-09z. No significant east winds expected.

Kbur... High confidence inVFR conditions through Sunday.

Marine 29/130 pm.

Moderate confidence in low-end (winds to 25 kt) small craft
advisory (sca) conditions for west winds through this evening over
the santa barbara channel and santa monica basin. Will then
abruptly shift to westerly this afternoon and remain gusty through
this evening. Otherwise SCA conditions will pick up off the outer
waters tonight, then persist through Tuesday or Wednesday. The
sca will likely be extended each day.

Due to the gusty winds... Choppy seas should be expected in most
areas (including near shore) into next week.

Lox watches/warnings/advisories
Ca... None.

Pz... Small craft advisory in effect until midnight pdt tonight for
zones 650-655. (see laxmwwlox).

Small craft advisory in effect until 3 am pdt Monday for
zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (tue-sat)
no significant hazards expected.

Public... Thompson
aviation... Gomberg
marine... Kittell
synopsis... Stu
weather.Gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PXAC1 8 mi49 min WNW 7 G 11
PFDC1 10 mi49 min W 12 G 13
PSXC1 10 mi49 min W 13 G 19
OHBC1 - 9410660 - Los Angeles, CA 10 mi49 min 60°F1015 hPa
BAXC1 10 mi49 min WNW 20 G 25
AGXC1 11 mi49 min WNW 11 G 17 73°F 1015.2 hPa
PFXC1 11 mi49 min NW 20 G 24 72°F
46221 - Santa Monica Bay, CA (028) 12 mi49 min 56°F4 ft
PRJC1 13 mi49 min WNW 9.9 G 18
46256 13 mi57 min 60°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 14 mi49 min W 13 G 15 60°F 55°F1015.5 hPa
46222 - San Pedro, CA (092) 14 mi60 min 60°F5 ft
46253 20 mi49 min 58°F3 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 34 mi39 min W 3.9 G 5.8 62°F 62°F1016.1 hPa55°F

Wind History for Los Angeles Berth 161,
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NW15
G19
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G14
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NE10
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NW10
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W16
G22
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SE2
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NW10
G13
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G17
W10
G14
NW11
NW13
G16

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Torrance, Zamperini Field Airport, CA4 mi3.5 hrsW 1910.00 miClear and Breezy73°F33°F23%1014.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA9 mi26 minWNW 1010.00 miFair69°F37°F31%1015.6 hPa
Los Angeles, Los Angeles International Airport, CA9 mi26 minW 1310.00 miFair64°F44°F48%1015.5 hPa
Long Beach, Long Beach Airport, CA14 mi26 minW 14 G 2010.00 miFair70°F28°F22%1015.3 hPa
Santa Monica, Santa Monica Municipal Airport, CA15 mi28 minN 010.00 miFair65°F46°F51%1015.4 hPa
Los Angeles / USC Campus Downtown, CA16 mi32 minWNW 310.00 miFair69°F37°F32%1015 hPa
Los Alamitos U. S. Army Airfield, CA19 mi21 minWNW 810.00 miFair68°F34°F29%1015.9 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi26 minWNW 810.00 miFair72°F32°F23%1015.4 hPa

Wind History from TOA (wind in knots)
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Last 24hr--W12W11--------------------CalmCalmS33SW3NW5NW10W10
G15
NW13W21
G26
W19
1 day agoW13NW17
G21
W11--------------------4W7NW9----W17W16
G26
W16
G26
W18
G26
W20
G27
W19
G23
2 days agoW18
G27
W7W5--------------------CalmCalmCalm--NW7NW13W17W14
G22
W166
G21
W17NW12

Tide / Current Tables for King Harbor, Santa Monica Bay, California
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King Harbor
Click for Map
Sat -- 06:06 AM PDT     Sunrise
Sat -- 06:33 AM PDT     -1.00 feet Low Tide
Sat -- 09:05 AM PDT     Moonrise
Sat -- 01:06 PM PDT     3.71 feet High Tide
Sat -- 06:01 PM PDT     1.82 feet Low Tide
Sat -- 07:35 PM PDT     Sunset
Sat -- 11:24 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.85.242.51-0.2-0.9-0.9-0.40.61.72.73.43.73.63.12.521.822.63.54.45.2

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Sat -- 06:06 AM PDT     Sunrise
Sat -- 06:39 AM PDT     -0.96 feet Low Tide
Sat -- 09:05 AM PDT     Moonrise
Sat -- 01:11 PM PDT     3.71 feet High Tide
Sat -- 06:07 PM PDT     1.75 feet Low Tide
Sat -- 07:36 PM PDT     Sunset
Sat -- 11:25 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.95.24.12.61.1-0.1-0.8-0.9-0.40.51.62.63.43.73.63.12.521.81.92.53.34.35.1

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 (23,6,7,8)
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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.