Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Hacienda Heights, CA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:16AMSunset 7:33PM Wednesday August 21, 2019 4:09 AM PDT (11:09 UTC) Moonrise 11:09PMMoonset 11:44AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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- 316 Am Pdt Wed Aug 21 2019
Today..N winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 7 seconds. Patchy dense fog with visibility 1 nm or less in the morning.
Tonight..W winds 10 to 15 kt, becoming se 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 7 seconds. Patchy dense fog with visibility 1 nm or less after midnight.
Thu..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 9 seconds. S swell 2 ft. Patchy dense fog with visibility 1 nm or less in the morning.
Thu night..W winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 17 seconds.
Fri..E winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 16 seconds.
Fri 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 ft at 9 seconds and S swell 2 ft at 16 seconds.
Sat..Winds variable 10 kt or less, becoming W 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 3 ft.
Sun..W winds 10 to 15 kt. Wind waves 2 ft. Mixed swell W 2 ft and S 3 ft.
PZZ600 316 Am Pdt Wed Aug 21 2019
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 pdt, a 1022 mb surface high was located about 700 nm west of point conception. A 1002 mb thermal low was centered near las vegas. Gusty northwest winds will increase to gale force across the outer waters later today and continue through late tonight.


7 Day Forecast for Marine Location Near Hacienda Heights, CA
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location: 34, -118     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 211009
afdlox
area forecast discussion
national weather service los angeles oxnard ca
309 am pdt Wed aug 21 2019

Synopsis 21 254 am.

Afternoon temperatures will peak this afternoon with a cooling
trend expected through the end of the week. High temperatures
will remain above normal through Thursday. High pressure will
build back in this weekend into next week. There will be areas of
night through morning low clouds and fog for most coastal areas
and possibly affecting a few coastal valleys into this weekend.

Short term (tdy-fri) 21 246 am.

Latest goes-w fog product imagery indicted mostly clear skies
except for low clouds and patchy fog across much of the santa
barbara central coast and into the santa ynez valley. A northerly
surface gradient between sba-smx continued to be over -3 mb as of
2 am. This was causing gusty northerly winds across the western
portion of the santa barbara south coast and adjacent foothills,
strongest west of refugio. Sustained winds remain over 30 mph with
gusts around 40 mph with highest gusts reaching the lower 50s last
evening. A wind advisory remains in effect until 3 am for this
area. Another wind advisory will likely be issued this morning valid
for this afternoon and overnight hours once again tonight for the
same location.

Synoptically, a 594 dm high was located over the eastern pacific
extending eastward over much of southern california. An upper
level trough located across the west coast from northern
california into the pac NW will dig farther south into socal
Thursday Friday bringing a cooling trend across most areas. Today
will be the warmest over the next few days with highs 2-6 degrees
warmer than yesterday. Triple digit heat is expected across the
antelope valley, salinas river valley and should hit 100 degrees
at woodland hills. Otherwise, most valleys will reach the mid to
upper 90s as the coastal areas remain mild over the next few days.

Night through morning low clouds are expected to be more
widespread across the central coast with only patchy low clouds
developing across the la county coast and possibly reaching the
oxnard plain. This stratus will continue Thu night into Friday.

Possibly more widespread S of point conception. Higher confidence
for clear skies across the sba south coast due to the sundowner
winds this evening into Thu morning.

For Thursday, expect high temps to lower 2-4 degrees, with an
additional 2-6 degrees of cooling on Friday. The one exception
will be across the salinas river valley including paso robles where
highs will go from the upper 90s on Thursday to the lower to mid
80s on Friday as cooler southerly flow moves into the area.

The pattern becomes a bit more complex after Friday as the national
hurricane center is expecting a high chance of a tropical depression
forming just west of southern mexico over the pacific. The gfs
shows this disturbance moving north parallel to the baja peninsula
but loses a lot of its punch by Sunday.

Long term (sat-tue) 21 309 am.

Overall, a few degrees of warming is expected this weekend into
early next week as high pressure builds in over the region. Moderate
onshore flow is expected to remain in place so will likely deal
with a relatively shallow but widespread marine layer across most
coastal areas during the night and morning hours. High
temperatures will rise a few degrees with most valleys in the mid
to upper 90s. The antelope valley will experience triple digit
heat, but not much higher than normal for this time of year.

The GFS continues to show a tropical cyclone spinning up over the
pacific just west of southern mexico on Friday and tracking north
parallel to baja. It quickly weakens as it reaches southern baja
Saturday. It's possible there will be some mid to high level
remnant clouds moving over across southern california by Sunday,
but remaining too dry at lower levels to pose much of a risk for
convection.

Aviation 21 0644z.

At 0545z, the marine layer was 800 feet deep at klax. The top of
the inversion was around 1350 feet with a temp of 26c.

Areas of low clouds have pushed into the central coast this evening.

Low clouds are expected to become widespread on the central coast
and in the santa ynez valley overnight with generally lifr to vlifr
conds. Skies should clear by mid morning, except late morning near
the coast. Elsewhere, skies are expected to remain clear, with
just a chance of ifr CIGS in coastal sections of l.A. County.

Klax... Moderate to high confidence in the 06z taf. There is a
20-30% chance ifr CIGS between 10z and 16z.

Kbur... High confidence in the 06z TAF withVFR conds thru the pd.

Marine 20 842 pm.

For the outer waters, moderate-to-high confidence in the current
forecast. Small craft advisory (sca) level winds are expected to
continue through at least early Wednesday afternoon. There is a
30 percent chance that winds will briefly drop below SCA levels
late tonight and Wed morning. Gale warnings have been issued
across the outer waters including areas northwest of san nicolas
island from Wednesday afternoon through early Thursday morning.

For the nearshore waters north of point sal, moderate confidence
in the current forecast. A SCA remains in effect through
late tonight. There is a 60 percent chance of SCA level winds
during the afternoon and evening Wednesday and a 40-50 percent
chance on Thursday afternoon and evening.

For the inner waters south of point conception, moderate-to-high
confidence in current forecast. A SCA remains in effect through
late tonight across the western portions of the santa barbara
channel. There is a 60 percent chance for SCA level NW to N winds
across the western portions of the sba channel during the same
times Wednesday. Sundowner winds are on Thursday.

Fire weather 20 329 pm.

Very warm and dry conditions will continue across interior sections
through Thursday. Peak temperatures are expected Wednesday when
warmest mountain, desert, and valley areas will top 100 degrees.

Minimum humidities between 10 and 20 percent will be common across
interior areas through Thursday, with some single digit readings in
the mountains and antelope valley, especially Wednesday. In addition
to the typical gusty onshore winds in the afternoon and evening
hours, there will be some northerly breezes during the overnight and
early morning hours across the interstate 5 and highway 33 corridors
in the mountains and santa clarita valley.

Gusty sundowner winds with warm and dry conditions will also bring
elevated fire danger to the santa barbara south coast and foothills
through Wednesday night, especially western portions where winds
will be strongest. Wind gusts between 35 and 45 mph will be common
in the canyons and foothills from gaviota to goleta during the late
afternoon through nighttime hours (with isolated gusts to 50 mph near
gaviota), along with gusts in the 25 to 35 mph range during the
overnight hours in the hills above montecito and carpinteria. Minimum
humidities through this evening are expected to remain in the 25 to
40 percent range, then lower to between 15 and 30 percent on
Wednesday afternoon and evening, when temperatures will likely climb
above 90 degrees in warmest foothill and canyon locations. Peak
santa barbara-santa maria gradients are expected to be around -4.0
mb this evening and Wednesday evening, with peak santa barbara-
bakersfield gradient expected to be -3.0 to -3.5 mb late tonight.

Lox watches warnings advisories
Ca... None.

Pz... Small craft advisory in effect from 3 pm this afternoon to 9
pm pdt this evening for zone 645. (see laxmwwlox).

Small craft advisory in effect from 3 pm this afternoon to 3
am pdt Thursday for zone 650. (see laxmwwlox).

Small craft advisory in effect until 3 pm pdt this afternoon
for zones 670-673-676. (see laxmwwlox).

Gale warning in effect from 3 pm this afternoon to 3 am pdt
Thursday for zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (fri-tue)
Elevated surf and strong rip currents are possible at area beaches
early next week.

Public... Kaplan
aviation... Db
marine... Hall
fire... Gomberg
synopsis... Kaplan
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSXC1 20 mi52 min ESE 1 G 2.9
PFXC1 21 mi52 min Calm G 0
PRJC1 21 mi52 min Calm G 1
46256 23 mi40 min 63°F3 ft
OHBC1 - 9410660 - Los Angeles, CA 24 mi58 min 64°F1011.2 hPa
ICAC1 - 9410840 - Santa Monica Pier 27 mi58 min ENE 5.1 G 6 67°F 64°F1011 hPa
46222 - San Pedro, CA (092) 31 mi47 min 70°F4 ft
46253 31 mi40 min 66°F3 ft
46221 - Santa Monica Bay, CA (028) 35 mi44 min 70°F3 ft

Wind History for Los Angeles Pier S, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fullerton, Fullerton Municipal Airport, CA9 mi77 minN 010.00 miFair66°F55°F70%1010.5 hPa
Long Beach, Long Beach Airport, CA14 mi77 minN 010.00 miFair68°F59°F73%1010.8 hPa
Los Alamitos Army Airfield, CA15 mi72 minN 010.00 miFair63°F59°F89%1011.1 hPa
Los Angeles / USC Campus Downtown, CA15 mi78 minN 09.00 miFair66°F61°F84%1010.5 hPa
Chino, Chino Airport, CA19 mi77 minN 07.00 miFair62°F54°F75%1011 hPa
Hawthorne, Hawthorne Municipal Airport, CA19 mi77 minN 010.00 miFair67°F60°F79%1010.8 hPa
Ontario International Airport, CA22 mi77 minN 010.00 miPartly Cloudy69°F53°F57%1009.5 hPa
Corona Airport, CA22 mi74 minN 010.00 miFair57°F54°F90%1010.9 hPa
Los Angeles, Los Angeles International Airport, CA22 mi77 minSSE 410.00 miA Few Clouds68°F62°F81%1010.6 hPa
John Wayne-Orange County Airport, CA23 mi77 minN 010.00 miFair68°F61°F78%1010.8 hPa
Burbank - Bob Hope Airport, CA24 mi77 minN 010.00 miFair68°F57°F68%1009.8 hPa
Santa Monica, Santa Monica Municipal Airport, CA24 mi79 minN 010.00 miFair64°F61°F90%1010.8 hPa

Link to 5 minute data for KEMT

Wind History from EMT (wind in knots)
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Last 24hr------------------------CalmCalmCalmW4S4SW3S10SW9S9SW8SW7SW7
1 day ago--------------------------S4S6S6SW6S5SW5SW9SW7----SW7
2 days ago----------------------CalmCalm--SW4S7S4SW6SW5S6SW7SW8SW9--

Tide / Current Tables for Long Beach, Inner Harbor, California
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Long Beach
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Wed -- 12:54 AM PDT     3.80 feet High Tide
Wed -- 06:18 AM PDT     Sunrise
Wed -- 07:04 AM PDT     1.64 feet Low Tide
Wed -- 11:44 AM PDT     Moonset
Wed -- 01:46 PM PDT     4.38 feet High Tide
Wed -- 07:32 PM PDT     Sunset
Wed -- 08:26 PM PDT     2.02 feet Low Tide
Wed -- 11:09 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.83.63.32.72.21.81.61.82.22.73.43.94.34.44.23.73.22.72.322.12.32.6

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Wed -- 01:50 AM PDT     3.28 feet High Tide
Wed -- 06:18 AM PDT     Sunrise
Wed -- 08:11 AM PDT     1.03 feet Low Tide
Wed -- 11:43 AM PDT     Moonset
Wed -- 02:42 PM PDT     3.78 feet High Tide
Wed -- 07:31 PM PDT     Sunset
Wed -- 09:33 PM PDT     1.26 feet Low Tide
Wed -- 11:08 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.83.23.33.12.72.21.61.211.11.52.12.83.43.73.83.53.12.521.51.31.31.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
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.