Tuesday, May26, 2020
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Marine Weather and Tides
Palos Verdes Estates, CA

Version 3.4
NOTICE
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 5:44AMSunset 7:57PM Tuesday May 26, 2020 1:24 PM PDT (20:24 UTC) Moonrise 9:04AMMoonset 11:49PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 835 Am Pdt Tue May 26 2020
Today..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 1 ft at 13 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Tonight..SW winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. SW swell 2 ft at 18 seconds. Patchy dense fog with vsby 1 nm or less after midnight.
Wed..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 17 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Wed 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 11 seconds and S 2 ft at 16 seconds. Patchy fog after midnight.
Thu..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 2 ft at 16 seconds. Patchy fog in the morning.
Thu 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 2 ft at 16 seconds. Patchy fog after midnight.
Fri..SW winds 10 to 15 kt. Wind waves 2 ft or less. S swell 3 ft. Patchy fog.
Sat..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft. Patchy fog.
PZZ600 835 Am Pdt Tue May 26 2020
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 1023 mb surface high was located 650 nm west of point conception and a 1008 mb thermal low was over southeast california. Patchy dense fog with visibility of one nautical mile or less is likely through this morning and possibly into this afternoon south of point conception.


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 261815 AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 1115 AM PDT Tue May 26 2020

updated aviation discussion

SYNOPSIS. 26/918 AM.

High pressure will bring mostly clear skies and hot temperatures to inland areas over the next few days. The coast will stay cooler with areas of low clouds and dense fog, some of which may linger into the afternoon. The heat will diminish slightly on Thursday, then becoming near normal by Sunday.

SHORT TERM (TDY-THU). 26/915 AM.

A very strong and shallow marine inversion has set up and a solid layer of stratus has formed underneath it from around Pt Conception south with tops ranging from 300-500'. With an onshore flow of 2mb this morning running to 7-9mb the next few afternoons it will be a struggle for some beaches to clear, especially from Malibu to SB. Lowered the coastal highs today by a few degrees and that may not have been enough given that it was only 77 in downtown LA yesterday and trends are very similar to yesterday.

Temps will ramp up quickly going into the valleys and highs in the 90s there still look on track. Warmest valley areas like the western SFV will likely top out in the mid to high 90s, though morning lows in the high 50s to low 60s are providing ample overnight relief to hold off any heat advisory issuances.

***From Previous Discussion***

Very little change Wednesday from Tuesday, though onshore gradients will be increasing, possibly leading to some gusty southwest winds in and around the AV. Continued low humidities and decreasing fuel moistures there will present some increased risk for enhanced fire behavior but not for long enough duration to consider any sort of red flag issuances.

The ridge begins to push east on Thursday in response to a large upper low moving in from the WSW. Hgts really do not change so the Mtn and further inland areas will not see much cooling. The onshore gradients do increase and this will be some cooling to the coasts and to a lesser degree the vlys. It will also be windier across the mtns and desert areas.

LONG TERM (FRI-MON). 26/340 AM.

Good cooling on tap on Friday. A 564 DM upper low will approach the coast coming from the WSW. The will be pushed almost into New Mexico. Hgts do not fall that much (except across the Central Coast) The Cyclonic flow from the upper low will combine with strong onshore flow to bring clouds to at least the coasts and lower vlys and this may even be under done. The deeper marine layer and stronger onshore flow along with the lowering hgts will all work together to lower max temps 10 to 15 degrees. Despite the cooling max temps will still be 3 to 6 degrees above normal.

The upper low will make its closest approach to the Central Coast Friday night as it is deflect almost due north by the ridge. There are still enough dry ensemble members to keep the forecast dry but really would not be surprised if the SLO county coasts and esp coastal foothills see some rain drops.

Broad troffing sets up for both Sat and Sun. Hgts fall to 578 DM and the moderate onshore flow will keep a May Grey pattern going with coastal temps a little above normal and interior temps a little below normal.

The 00Z GFS and EC and many of their ensemble members show a sharper trof and some PVA moving across the state. Both of these runs show some light rain for SLO and SBA counties. Interestingly (but not surprising for a day 7 forecast) the 06Z GFS run is dry. Still looking at all the ensembles a slight chc of rain seems reasonable for the Central Coast.

AVIATION. 26/1812Z.

At 1707Z at KLAX, the marine layer was near 500 feet deep. The top of the inversion was near 2100 feet with a temperature of 23 degrees Celsius.

Overall, high confidence for inland TAFs and low to moderate confidence for coastal TAFs. Good confidence that all coastal sites will remain VFR through the afternoon, but there is a 20% chance that IFR cigs may push back in. IFR to LIFR conditions are likely to return to coastal sites south of Point Conception tonight, but low confidence in timing which could occur +/- 2 or more hours of forecast. There is a chance of VLIFR conditions at any site tonight. For KSMX, there is a 40% chance that conditions remain VFR tonight, and a 40% chance of IFR cigs or lower at KSBP.

KLAX . Moderate to low confidence in TAF. There is a 50% chance of MVFR visibilities through the day and a 20% chance of IFR cigs pushing back in. A return of LIFR to IFR conditions could arrive as soon as 01Z or as late as 04Z. There is a chance that cigs could be VLIFR overnight. No significant east wind component expected.

KBUR . High confidence in CAVU TAF.

MARINE. 26/835 AM.

Overall, high confidence in forecast. Winds and seas are expected to remain below Small Craft Advisory (SCA) levels through Saturday.

Patchy dense fog with visibility one nautical mile or less at times is likely through this morning and potentially into the afternoon for the waters south of Point Conception. There is a 50% chance of more widespread dense fog across the entire coastal waters tonight. A Marine Weather Statement remains in effect through this morning and may need to be extended or reissued for tonight through Wednesday morning. Mariners should be prepared to reduce speeds and use GPS navigation if available.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Heat Advisory in effect until 7 PM PDT Thursday for zone 37. (See LAXNPWLOX). Excessive Heat Warning in effect until 7 PM PDT Thursday for zone 59. (See LAXNPWLOX). PZ . NONE.

.HAZARD POTENTIAL OUTLOOK (THU-MON).

Hot temperatures are expected through Thursday, mainly away from the coast, which may lead to an increased risk for heat related illnesses for sensitive populations. Possible dense fog along the coast Thursday morning could create driving hazards.



PUBLIC . MW/Rorke AVIATION . Stewart MARINE . Hall/Stewart SYNOPSIS . MW

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PXAC1 8 mi133 min SE 1.9 G 5.1
OHBC1 - 9410660 - Los Angeles, CA 10 mi55 min 63°F1013.1 hPa
BAXC1 10 mi109 min SE 4.1 G 5.1
PFDC1 10 mi109 min S 7 G 8
PSXC1 10 mi55 min SSE 5.1 G 8
AGXC1 11 mi109 min SW 15 G 16
PFXC1 11 mi55 min SSW 13 G 15
46221 - Santa Monica Bay, CA (028) 12 mi59 min 63°F2 ft
46256 13 mi55 min 61°F2 ft
PRJC1 13 mi55 min SW 11 G 12
46222 - San Pedro, CA (092) 14 mi32 min 64°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 14 mi55 min WSW 6 G 8 59°F 61°F1013.6 hPa
46253 20 mi57 min 65°F2 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 33 mi35 min WSW 3.9 G 5.8 59°F 64°F2 ft1013.2 hPa57°F

Wind History for Los Angeles Berth 161,
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Torrance, Zamperini Field Airport, CA4 mi86 minW 117.00 miA Few Clouds70°F60°F73%1012.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA9 mi32 minW 710.00 miFair72°F57°F59%1012.4 hPa
Los Angeles, Los Angeles International Airport, CA9 mi32 minW 107.00 miPartly Cloudy67°F57°F71%1012.6 hPa
Long Beach, Long Beach Airport, CA14 mi32 minS 77.00 miFair73°F57°F57%1012.2 hPa
Santa Monica, Santa Monica Municipal Airport, CA15 mi34 minSW 610.00 miFair67°F57°F73%1012.6 hPa
Los Angeles / USC Campus Downtown, CA16 mi33 minVar 310.00 miFair79°F57°F47%1011.6 hPa
Los Alamitos Army Airfield, CA19 mi87 minS 710.00 miFair73°F61°F68%1013.1 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi32 minSSW 810.00 miFair83°F61°F48%1011.6 hPa

Link to 5 minute data for KTOA

Wind History from TOA (wind in knots)
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Last 24hrW13----------------------------------CalmCalm--W11W11W10
G16
1 day agoW13W16--------------------------------W3CalmW7W10W9W10
2 days agoSW7W3W12------------------------------CalmCalmSE4W7W6W11

Tide / Current Tables for King Harbor, Santa Monica Bay, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Tue -- 05:45 AM PDT     Sunrise
Tue -- 07:07 AM PDT     -0.40 feet Low Tide
Tue -- 09:03 AM PDT     Moonrise
Tue -- 02:17 PM PDT     3.13 feet High Tide
Tue -- 05:44 PM PDT     2.71 feet Low Tide
Tue -- 07:56 PM PDT     Sunset
Tue -- 11:49 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.73.92.81.60.6-0.1-0.4-0.20.311.82.52.93.13.12.92.82.72.93.33.84.44.8

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
Wind Forecast for Los Angeles/Oxnard, CA (16,3,4,5)
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Ground Weather Radar Station Santa Ana Mtns, CA
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