Saturday, August8, 2020
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Marine Weather and Tides
Santa Monica, 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 6:09AMSunset 7:50PM Friday August 7, 2020 10:43 PM PDT (05:43 UTC) Moonrise 10:28PMMoonset 9:51AM Illumination 82% Phase: Waning Gibbous; Moon at 19 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- 902 Pm Pdt Fri Aug 7 2020
Tonight..NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Wind waves 2 ft late in the evening, becoming 2 ft or less. W swell 2 ft at 8 seconds. Patchy fog.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 7 seconds. Patchy fog in the morning.
Sat night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog after midnight.
Sun..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog in the morning.
Sun night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. S swell 2 ft. Patchy fog after midnight.
Mon..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 10 seconds and S 3 ft at 17 seconds. Patchy fog in the morning.
Mon night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 3 ft at 16 seconds. Patchy fog after midnight.
Tue..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 ft and S 3 ft. Patchy fog.
Wed..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 ft and S 2 ft. Patchy fog.
PZZ600 902 Pm Pdt Fri Aug 7 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z, or 8 pm pdt, a 1028 mb high pressure center was located 650 nm west of eureka california and a 1006 mb thermal low was located over southern nevada. Gusty nw winds and choppy short-period seas will continue over the outer waters through late tonight.


7 Day Forecast for Marine Location Near Santa Monica, CA
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location: 34.01, -118.52     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 080305 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 805 PM PDT Fri Aug 7 2020

SYNOPSIS. 07/738 PM.

Overnight and morning low clouds and fog with below normal temperatures will continue across the coasts and in adjacent valleys into next week. Interior areas will warm to near normal Sunday through Tuesday then little change through Thursday.

SHORT TERM (FRI-MON). 07/805 PM.

A very weak upper level low will spin over north-central California through Saturday, then get nudged to the west Sunday and Monday by a building high over northern Mexico. This will bring warming to the mountains and interior valleys over the weekend, pushing temperatures back up to around normal for this time of the year by Sunday and Monday. This includes daytime temperatures well into the 90s across the warmest valleys and lower mountains, as well as temperatures approaching 100 degrees in the Antelope Valley.

Meanwhile, the coastal plain and coastal valleys will continue to be moderated by a marine layer influence and steady onshore flow. The marine layer depth is ranging from around 1500 feet across the LA Basin (according to ACARS data) and around 2000 feet north of Pt Conception (according to 00z Vandenberg sounding). With the gradual rise in heights over the weekend, look for the marine layer depth to gradually diminish leading to the warming trend across inland areas. Overnight into Saturday morning, expecting low clouds to fill in across many coastal areas as well as portions of the coastal valleys.

Continued gusty onshore winds across the interior through Monday, especially across the Antelope Valley and adjacent foothills where wind gusts of 25 to 35 mph will be common, except isolated gusts of 40 to 45 mph near Lake Palmdale. The gusty onshore winds coupled with the warming temperatures and lowering humidities will result in elevated fire weather concerns this weekend into Monday across the Antelope Valley and adjacent foothills. There are also some localized northwest winds gusting 25 to 35 mph this evening near Gaviota and Refugio, which will diminish over the weekend.

LONG TERM (TUE-FRI). 07/210 PM.

Tuesday is looking very similar to Monday, with the upper level high centered over northern Mexico still supporting near normal conditions over the interior, while modest onshore flow drives slightly cooler than normal conditions at the coast. Computer projections differ for Wednesday and Thursday, along with a decent spread in their ensembles, between the ridge flatten out with a cooling trend and the ridge expanding with a warming trend. There is more agreement for Friday into the following weekend, with good consensus towards a widespread and gradual warming trend. Also expecting northwest winds to reform over SBA County by Tuesday or Wednesday nights, which should help deepen the marine layer over LA County, and decrease it over SBA and Ventura Counties. No appreciable threat of any monsoonal surge or significant winds for the next 7 to 10 days.

AVIATION. 08/0007Z.

At 2355z at KLAX . The inversion was around 1500 feet. The top of the inversion was around 2900 feet with a temperature of about 21 degrees Celsius.

Overall . Moderate to high confidence in the current TAFs. VLIFR/LIFR conditions will likely develop at KSBP and KSMX tonight into early Saturday morning. LIFR/IFR conditions likely to develop at KPRB, KSBA, KOXR, and KCMA 12z-17z, IFR/MVFR conditions at KSMO, KLAX, and KLGB 11z-18z. There is a 20 percent chance of IFR/MVFR conditions developing at KBUR and KVNY 12z- 17z. Otherwise and elsewhere, VFR conditions will prevail.

KLAX . Moderate confidence in the current TAF. IFR/MVFR conditions are projected to develop 12z-17z, however there is a 20 percent chance of no cigs developing. Otherwise, VFR conditions will prevail throughout the forecast period. There will not be any east winds greater than 8 kts.

KBUR . High confidence in the current TAF. There is a 20 percent chance of IFR/MVFR conditions 12z-17z. Otherwise, VFR conditions will prevail throughout the forecast period.

MARINE. 07/731 PM.

Across the outer waters . Winds across the central and southern outer waters will be elevated and gusty to Small Craft Advisory (SCA) level through late tonight. Otherwise, conditions will remain below SCA level throughout the forecast period.

Across the nearshore waters of the Central Coast . Conditions will remain below SCA level throughout the forecast period.

Across the inner waters south of Point Conception . Conditions will remain below SCA level throughout the forecast period.

Patchy fog, locally dense with visibility under one mile, will continue through the weekend. The lowest visibility and most widely spread conditions will occur in the overnight and morning hours.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect until 3 AM PDT Saturday for zones 673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

No significant hazards expected.



PUBLIC . Gomberg/Kittell AVIATION . Gomberg MARINE . Kj SYNOPSIS . Kj

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 1 mi56 min SSE 2.9 G 4.1 64°F 67°F1014.5 hPa
46221 - Santa Monica Bay, CA (028) 12 mi81 min 66°F4 ft
BAXC1 22 mi110 min N 6 G 7
PXAC1 22 mi110 min NNW 5.1 G 5.1
PSXC1 23 mi56 min WNW 4.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 24 mi56 min 65°F1014.5 hPa
PFDC1 24 mi110 min SSE 2.9 G 5.1
PFXC1 24 mi56 min NNW 4.1 G 4.1
AGXC1 25 mi110 min SW 6 G 7
PRJC1 26 mi56 min SSW 1.9 G 1.9
46256 27 mi48 min 67°F2 ft
46222 - San Pedro, CA (092) 29 mi54 min 65°F3 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 33 mi44 min W 3.9 G 7.8 66°F 69°F1014.4 hPa (+0.9)61°F
46253 35 mi48 min 65°F2 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Monica, Santa Monica Municipal Airport, CA4 mi53 minN 010.00 miFair64°F59°F84%1013.9 hPa
Los Angeles, Los Angeles International Airport, CA8 mi51 minWSW 610.00 miFair65°F57°F76%1013.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA11 mi51 minWSW 510.00 miFair66°F57°F73%1014.2 hPa
Los Angeles / USC Campus Downtown, CA13 mi52 minN 010.00 miFair68°F55°F65%1013.7 hPa
Van Nuys, Van Nuys Airport, CA14 mi53 minE 410.00 miFair73°F54°F51%1013.1 hPa
Burbank - Bob Hope Airport, CA16 mi51 minESE 610.00 miFair70°F54°F57%1012.9 hPa
Torrance, Zamperini Field Airport, CA18 mi4.9 hrsW 1310.00 miA Few Clouds70°F64°F83%1012.9 hPa
Los Angeles, Whiteman Airport, CA18 mi2.9 hrsESE 510.00 miClear73°F53°F50%1014.6 hPa
Long Beach, Long Beach Airport, CA23 mi51 minNW 610.00 miFair67°F57°F73%1014 hPa

Link to 5 minute data for KSMO

Wind History from SMO (wind in knots)
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Last 24hrE3CalmCalmE3CalmCalmCalmCalmCalmCalmS4W4SW7SW8SW7SW11SW8SW11W8W64SW5S4Calm
1 day agoSE4SW3CalmCalmCalmCalmCalmS3SW3W4CalmSW65W5SW7SW9SW9SW8W7W8SW6SW4S3Calm
2 days agoSW3--CalmCalm------E53CalmCalmSW5--SW56--SW10W10W8SW7----SW3Calm

Tide / Current Tables for Santa Monica, Municipal Pier, California (2)
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Santa Monica
Click for Map
Sat -- 12:14 AM PDT     4.65 feet High Tide
Sat -- 06:10 AM PDT     Sunrise
Sat -- 06:59 AM PDT     0.93 feet Low Tide
Sat -- 10:46 AM PDT     Moonset
Sat -- 01:33 PM PDT     4.31 feet High Tide
Sat -- 07:22 PM PDT     2.30 feet Low Tide
Sat -- 07:47 PM PDT     Sunset
Sat -- 10:54 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.54.13.32.51.71.10.91.11.72.53.33.94.34.343.532.52.32.42.63.13.6

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Sat -- 12:24 AM PDT     4.56 feet High Tide
Sat -- 06:10 AM PDT     Sunrise
Sat -- 07:06 AM PDT     0.89 feet Low Tide
Sat -- 10:45 AM PDT     Moonset
Sat -- 01:43 PM PDT     4.23 feet High Tide
Sat -- 07:29 PM PDT     2.21 feet Low Tide
Sat -- 07:47 PM PDT     Sunset
Sat -- 10:53 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.54.13.42.51.71.10.911.62.33.13.74.14.243.532.52.22.22.52.93.4

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 (1,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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 numerous 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.