Sunday, September20, 2020
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Marine Weather and Tides
Stanton, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:38AMSunset 6:52PM Sunday September 20, 2020 3:50 AM PDT (10:50 UTC) Moonrise 10:18AMMoonset 9:24PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 218 Am Pdt Sun Sep 20 2020
Today..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 ft at 8 seconds and S 2 ft at 14 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Tonight..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 8 seconds. Patchy fog after midnight.
Mon..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 8 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 ft at 8 seconds and sw 2 ft at 18 seconds. Patchy fog after midnight.
Tue..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and sw 2 ft at 18 seconds. Patchy fog in the morning.
Tue night..W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and sw 2 ft at 17 seconds. Patchy fog after midnight.
Wed..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 2 ft. Patchy fog.
Thu..W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
PZZ600 218 Am Pdt Sun Sep 20 2020
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 1023 mb high pressure center was located 1200 nm west of point conception and a 1006 mb thermal low was over the gulf of california. Little change in this weather pattern can be expected through Tuesday. Patchy dense fog will likely affect the coastal waters during the night through morning hours into at least Tuesday.


7 Day Forecast for Marine Location Near Stanton, CA
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location: 33.82, -118     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 201016 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 316 AM PDT Sun Sep 20 2020

SYNOPSIS. 20/158 AM.

Temperatures will cool through Monday then warm again late next week. There will be gusty onshore winds today across the LA county mountains and Antelope Valley. Night through morning low clouds and fog will expand into most coastal and lower valley areas by Monday. Warming is expected by midweek.

SHORT TERM (TDY-TUE). 20/301 AM.

Pretty benign weather on tap for the next three days (actually all 7). A wind advisory for the SBA south coast is winding down. A weak eddy is spinning up and while there are no low clouds from SBA to LA yet they will likely arrive between now and dawn at least over LA and VTA counties. The sundowner will keep most if not all of the low clouds away form the SBA south coast. The Central Coast and the Santa Ynez Valley are covered in low clouds and a little bit of dense fog. Neither the eddy nor the onshore flow is strong enough to prevent total clearing today. Aside from the low clouds today will be a sunny day. Flat 586 DaM flow will sit atop of the area today. Hgts are pretty much unchanged from ydy and the gradients are very similar as well. Still there will be noticeable temperature changes across the area. The deeper and more extensive marine layer will drop the coastal and vly temps by 2 to 4 degrees (and much more than that across portions of the Central Coast where northeast winds created much warmer than normal temps) while the lack of cool air advection will bring some warming to most of the interior.

The north to south gradients relax tonight and there will not be much of any sundowner winds. The strong NW flow across the outer waters will continue to drive low clouds into the Central Coast as well as power the eddy that will bring low clouds to cst/vly areas south of Pt Conception.

On Monday . a weak 584 DaM trof ripples over the area. Aside from the morning stratus (which will linger a little longer than today) it will be a sunny day. The lower hgts and deeper marine layer will knock another 2 to 4 degrees off of the max temps. The coasts and vlys will end 1 to 3 degrees below normal while the interior will come in 1 to 3 degrees above normal.

Not much change in the low cloud pattern on Tuesday. Continued cool air advection will lower max temps another 1 to 3 degrees making Tuesday the coolest day of the next 7.

LONG TERM (WED-SAT). 20/315 AM.

Both the EC and GFS agree that an upper high will move into Srn CA from the SW on Wednesday . Peak in strength on Thursday and then subside on Fri as a trof moves through the PAC NW.

At the same time the onshore gradients will weaken and likely go slightly offshore on Thursday. The higher hgts will smoosh the marine layer while the offshore trends will push it away towards the coast. Low clouds will be greatly diminished on Wednesday and then likely disappear on Thursday and Friday.

The building high and reversal of the onshore flow will bring two day of warming to the entire area. Look for 2 to 3 degrees of warming on Wed and then 2 to 4 more degrees on Thursday. Thursday will be the warmest of the next 7 with high temps 3 to 6 degrees above normal. It will be 2 to 4 degrees cooler on Friday (but still above normal) as the high weakens and the onshore flow increases.

Less confidence in the cooling that was indicated earlier. The operational EC and GFS now move the trof off to the east a little quicker and bring a ridge in. Most of the ensembles are holding onto the idea of the cooler. For now will keep the cooler forecast with a developing marine layer stratus pattern, but lower confidence and would not be surprised to see a warmer forecast for Saturday at this time tomorrow.

AVIATION. 20/0619Z.

At 0515Z at KLAX, the marine layer was 900 ft deep. The top of the inversion was at 2300 feet and a temperature of 27 C.

Moderate confidence in coastal TAFs and good confidence in inland TAFs.

Cstl TAFs KSBA and south flight cat transitions could be off by +/- 90 minutes. There is a 20 percent chc of LIFR cig/vis 11Z- 15Z.

KSMX and KSBP flight cat change timing could be off by +/- 90 minutes. KSMX and KSBP have a 30 percent chc of 1/4SM VV001 11Z- 15Z.

KLAX . High confidence in TAF through 11Z, then moderate confidence. Flight cat transitions could be off by +/- 90 minutes. There is a 20% chance of 2SM OVC004 11Z-15Z. High confidence that there will be no east wind component greater than 4 kt.

KBUR . High confidence in TAF.

MARINE. 20/210 AM.

Overall, moderate confidence in forecast. NW winds over the outer waters along the Central Coast to San Nicolas Island have not diminished much, so have extended the Small Craft Advisory through 9am. There is a 30% chance that SCA level winds may continue through this afternoon or evening, mainly from Point Conception to San Nicolas Island. Winds will likely be below SCA level on Monday and Tuesday. There is a 40% chance winds may increase back up to SCA level by Tuesday evening especially along the northern half of these waters. By Wednesday evening, confidence increases to about a 60% chance of widespread SCA level winds across all the outer waters through at least Friday. There is a 30% chance that SCA level winds may bleed into the western portion of the Santa Barbara Channel for the same period.

Patchy dense fog will likely affect the coastal waters during the night through morning hours into at least Tuesday.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect until 9 AM PDT this morning for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (TUE-SAT).

No significant hazards expected.



PUBLIC . Rorke AVIATION . Rorke MARINE . Stewart SYNOPSIS . 30

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PFXC1 12 mi51 min S 1.9 G 2.9
PRJC1 12 mi51 min Calm G 1.9
BAXC1 13 mi99 min SE 1 G 1
46256 13 mi55 min 62°F3 ft
PSXC1 13 mi51 min SE 1.9 G 1.9
PFDC1 14 mi105 min Calm G 1
AGXC1 15 mi99 min SW 4.1 G 4.1
PXAC1 15 mi99 min NNW 1 G 1.9
OHBC1 - 9410660 - Los Angeles, CA 16 mi51 min 63°F1011.4 hPa (+0.0)
46253 19 mi55 min 68°F3 ft
46222 - San Pedro, CA (092) 22 mi60 min 68°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 30 mi51 min ENE 4.1 G 5.1 65°F 68°F1011.5 hPa (+0.3)
46221 - Santa Monica Bay, CA (028) 34 mi28 min 70°F3 ft
46268 34 mi51 min 64°F 67°F2 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fullerton, Fullerton Municipal Airport, CA4 mi58 minN 09.00 miFair66°F60°F81%1010.5 hPa
Long Beach, Long Beach Airport, CA8 mi58 minESE 39.00 miFair63°F60°F90%1010.7 hPa
John Wayne-Orange County Airport, CA12 mi58 minN 09.00 miFair67°F62°F84%1010.7 hPa
Hawthorne, Hawthorne Municipal Airport, CA20 mi58 minN 010.00 miSmoke64°F59°F84%1010.9 hPa
Los Angeles / USC Campus Downtown, CA20 mi59 minN 07.00 miFair65°F59°F81%1010.5 hPa
Chino, Chino Airport, CA22 mi58 minN 06.00 miHaze Smoke65°F53°F66%1010.7 hPa
Corona Airport, CA22 mi55 minWSW 410.00 miFair64°F57°F81%1010.5 hPa
Los Angeles, Los Angeles International Airport, CA23 mi58 minN 010.00 miA Few Clouds63°F60°F90%1010.6 hPa

Link to 5 minute data for KSLI

Wind History from SLI (wind in knots)
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Last 24hr--------------------------------CalmS5SW7SW6SW8SW8S7S5
1 day agoSW6SW6SW7SW6SW5SW4CalmCalm----------------3E3W4S43SW6SW6SW7
2 days agoSW7SW9SW6SW5W4S3S3Calm----------------CalmCalmCalm2Calm3SW8SW7

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Sun -- 12:41 AM PDT     4.30 feet High Tide
Sun -- 06:39 AM PDT     Sunrise
Sun -- 06:45 AM PDT     0.59 feet Low Tide
Sun -- 10:18 AM PDT     Moonrise
Sun -- 12:50 PM PDT     4.98 feet High Tide
Sun -- 06:50 PM PDT     Sunset
Sun -- 07:42 PM PDT     0.15 feet Low Tide
Sun -- 09:23 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.24.33.93.12.21.30.70.611.9344.854.63.92.81.70.80.30.20.61.32.2

Tide / Current Tables for Long Beach, Outer Harbor, Pier A, California
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Long Beach
Click for Map
Sun -- 05:41 AM PDT     0.94 feet Low Tide
Sun -- 06:39 AM PDT     Sunrise
Sun -- 10:19 AM PDT     Moonrise
Sun -- 11:53 AM PDT     5.76 feet High Tide
Sun -- 06:38 PM PDT     0.25 feet Low Tide
Sun -- 06:51 PM PDT     Sunset
Sun -- 09:24 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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54.53.72.71.71.111.42.43.64.75.55.85.44.53.3210.40.30.71.62.63.5

Weather Map
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wmap_P
GEOS 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
Ground Weather Radar Station Santa Ana Mtns, CA
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