Monday, June21, 2021
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Marine Weather and Tides
Lennox, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:41AMSunset 8:09PM Sunday June 20, 2021 11:00 PM PDT (06:00 UTC) Moonrise 3:48PMMoonset 2:28AM Illumination 85% Phase: Waxing Gibbous; Moon at 11 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- 845 Pm Pdt Sun Jun 20 2021
Tonight..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft late in the evening, becoming 2 ft or less. Mixed swell W 2 to 4 ft at 6 seconds and S 3 ft at 17 seconds. Patchy fog.
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 to 3 ft at 6 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
Mon night..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 3 ft at 17 seconds. Patchy fog.
Tue..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 16 seconds. Patchy fog in the morning.
Tue night..W winds 15 to 20 kt, becoming 10 to 15 kt after midnight. Wind waves 2 to 3 ft. Mixed swell W 2 to 4 ft at 7 seconds and S 2 ft at 16 seconds. Patchy fog.
Wed..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 4 ft at 6 seconds and S 2 ft at 16 seconds. Patchy fog in the morning.
Wed night..W winds 15 to 20 kt, becoming 10 to 15 kt after midnight. Wind waves 2 to 3 ft. Mixed swell W 2 to 4 ft at 6 seconds and S 2 ft at 16 seconds. Patchy fog after midnight.
Thu..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 4 ft and S 2 ft. Patchy fog.
Fri..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 4 ft and S 2 ft. Patchy fog.
PZZ600 845 Pm Pdt Sun Jun 20 2021
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 1029 mb high pressure center was located about 800 nm west of eureka ca and a 999 mb thermal low was centered over southern nevada. Areas of fog, locally dense, with visibility of one nautical mile or less at times will continue across the coastal waters into next week.


7 Day Forecast for Marine Location Near Lennox, CA
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location: 33.96, -118.4     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 210335 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 835 PM PDT Sun Jun 20 2021

SYNOPSIS. 20/830 PM.

Temperatures across the region will cool to near normal by the middle of next week as low clouds and fog push farther inland with gusty onshore winds. Some warming is forecast by late next week.

SHORT TERM (SUN-WED). 20/813 PM.

***UPDATE***

The marine inversion early this evening ranged from around 1200 ft deep at VBG to near 1400 ft deep at LAX. Strong onshore gradients to the N and E has kept low clouds along many coastal areas into early this evening, with slow inland intrusion noted by sunset. The low clouds are expected to continue expanding inland overnight eventually to some of the adjacent vlys by late tonight. Areas of fog will likely accompany the low clouds as well. Otherwise and elsewhere, clear skies are expected overnight. Gusty SW winds across the Antelope Vly this evening will diminish some overnight.

***From Previous Discussion***

Overall, 12Z models in good synoptic agreement through the short term period. At upper levels, a cutoff low develops off the Central CA coast. Near the surface, onshore flow will continue with some slight weakening of the gradients each day.

Forecast-wise, nothing too significant anticipated through the period. The combination of lowering H5 heights, in association with the upper low, and continued onshore flow will allow for the marine inversion to gradually deepen and stratus/fog should be able to push into the coastal valleys each night. Each day, the stratus should dissipate by late morning although some beach areas will likely remain cloudy through the afternoon hours. Other than the stratus, skies should remain mostly clear although some partly cloudy skies are not out of the question, given the southwesterly flow around the upper low.

As for temperatures, will expect some widespread cooling on Monday with minor day-to-day fluctuations Tuesday/Wednesday (based on the whims of the marine influence). Temperatures by Tuesday/Wednesday will be a couple degrees above seasonal normals for most areas. However, interior San Luis Obispo county will have high temperatures a few degrees below seasonal normals.

As for winds, the continued onshore gradients will generate gusty southwesterly winds across interior sections each afternoon and evening. The strongest winds will be this afternoon and evening (with local gusts up to 50 MPH possible across the Antelope Valley foothills) with weaker winds anticipated Tuesday/Wednesday

LONG TERM (THU-SUN). 20/149 PM.

For the extended, models start to diverge synoptically, leading to only moderate confidence in the forecast. The GFS builds an impressive ridge over the state Thursday through Saturday before weakening the ridge on Sunday. The ECMWF keeps the upper low spinning along the Central CA coast Thursday through Saturday before building a ridge over the area on Sunday. As a third model possibly, the Canadian follows along the ECMWF idea.

Given the above model difference, moderate confidence levels exist. The GFS solution would indicate another round significant inland heat for the weekend with limited coastal stratus/fog. Conversely, the ECMWF/Canadian solutions would indicate somewhat cooler conditions for the weekend with more extensive marine layer stratus/fog. With the afternoon forecast, will toe a middle ground between the possibilities indicating warming trend through the period with stratus/fog remaining in play for the coastal plain and coastal valleys. Hopefully, future model runs will bring more consensus with the weekend forecast.

AVIATION. 20/2357Z.

At 2230Z at KLAX . the marine inversion was 1500 ft deep. The top of the inversion was around 4000 feet with a temperature of about 28 degrees Celsius.

There is moderate confidence overall in the 00Z TAFs. There is hi confidence that low clouds and LIFR/IFR/MVFR cigs will affect the coastal airfields from this evening thru Mon morning, with some clearing back to the coast Mon afternoon. Low clouds and IFR conditions should also affect KBUR late tonight and early Mon, with a 50% chance for these conditions at KVNY. There is some uncertainty in the timing of the onset and dissipation of the low clouds for several airfields, which may be off +/- an hour or so.

For KPRB, KWJF and KPMD, there is hi confidence in VFR conditions thru the TAF period. Gusty SW mainly afternoon and evening winds will persist at KWJF and KPMD.

KLAX . There is moderate confidence overall in the 00Z TAF. There is hi confidence that low clouds and IFR/MVFR cigs will affect the airfield most of the TAF period, with a 50% chance of scattering to VFR from about 18Z-03Z Mon. There is some uncertainty in the timing of the dissipation and onset of the low clouds, which may be off +/- an hour or so.

KBUR . There is moderate confidence overall in the 00Z TAF. There is hi confidence that low clouds and LIFR cigs will affect the airfield aft about 11Z until about 1530Z Mon. There is some uncertainty in the timing of the onset and dissipation of the low clouds, which may be off +/- an hour or so. Otherwise, VFR conditions can be expected thru Mon afternoon.

MARINE. 20/832 PM.

Patchy fog will continue across the coastal waters into next week. The poorest visibility and most widely spread conditions will occur in the overnight and morning hours.

Across the Outer Waters . Small Craft Advisory (SCA) level winds from near Point Conception southward are likely across the outer waters Thursday and Friday. Otherwise, conditions will remain below SCA level.

Across the Inner Waters north of Point Sal . SCA level winds are likely on Thursday. Otherwise, conditions will remain below SCA levels.

Across the Inner Waters south of Point Conception . SCA level winds through the Santa Barbara Channel are likely Thursday and Friday. Otherwise and elsewhere, conditions will remain below SCA level.

BEACHES. 20/827 PM.

Elevated surf and high astronomical tides associated with a full moon will combine to create minor tidal flow during the time of high tide, beginning Monday and continuing through next Saturday. The highest daily tide between 7.0 and 7.5 feet will occur during the evening hours. A south swell of 3 feet with a period of 18 seconds will arrive on Monday.

FIRE WEATHER. 20/459 PM.

The strong upper level high pressure system that brought the long duration heat wave last week is beginning to break down today, with an approaching upper level low pressure system off the coast that will draw closer to the region Monday through at least Wednesday. Despite a few degrees of cooling today, most interior areas still remain hot with highs ranging between 95 and 106 degrees. The cooling trend will become more pronounced across interior areas Monday through Wednesday as the upper low draws closer to the region. On Monday, highs will be in the 90s across the interior, lowering to the mid 80s to lower 90s by Wednesday. Minimum humidities between 7 and 15 percent will be common across the interior today and Monday. Onshore winds will gusts between 25 and 40 mph across the interior through Monday, strongest during the afternoon and evening hours. Isolated gusts of 40 to 50 mph will be likely in the foothills of the Antelope Valley. The combination of these gusty onshore winds, persistent hot and dry conditions, and very dry fuels, will maintain elevated to brief critical fire weather conditions through Monday across the interior.

Mid level moisture is expected to be drawn into Los Angeles county and points south and east Tuesday through Wednesday. With limited instability, it will most likely just bring some mid level clouds to Los Angeles county, but will continue to monitor closely for any convective threat. Another warming and drying trend is possible Friday through Sunday, with a potential return of elevated fire weather conditions across the interior.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Excessive Heat Warning in effect until 9 PM PDT this evening for zone 59. (See LAXNPWLOX). PZ . NONE.

.HAZARD POTENTIAL OUTLOOK (WED-SUN).

Hot temperatures are expected to return, and especially for inland areas, starting Saturday and will likely continue for at least several days beyond that. This will likely bring heat-related illness concerns to inland areas.

PUBLIC . Thompson/Sirard AVIATION . Sirard MARINE . Kj BEACHES . Sweet/Kj FIRE . Gomberg 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 6 mi42 min W 4.1 G 6 63°F 67°F1014.3 hPa
46268 10 mi30 min 64°F 68°F2 ft
46221 - Santa Monica Bay, CA (028) 15 mi34 min 67°F3 ft
PXAC1 15 mi60 min NNW 5.1 G 7
BAXC1 16 mi54 min WNW 5.1 G 7
PSXC1 16 mi42 min WNW 4.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 18 mi42 min 64°F1014.1 hPa
PFDC1 18 mi54 min SW 5.1 G 5.1
PFXC1 18 mi42 min NW 1.9 G 4.1 65°F
AGXC1 19 mi54 min W 8 G 9.9 63°F 1011.3 hPa
PRJC1 19 mi42 min W 7 G 8
46256 21 mi34 min 63°F3 ft
46222 - San Pedro, CA (092) 24 mi39 min 64°F2 ft
46253 29 mi34 min 64°F3 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 37 mi20 min NW 5.8 G 7.8 61°F 65°F1013.4 hPa59°F

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles, Los Angeles International Airport, CA1 mi67 minWSW 610.00 miMostly Cloudy62°F58°F86%1013.4 hPa
Hawthorne, Hawthorne Municipal Airport, CA4 mi67 minWNW 310.00 miPartly Cloudy63°F57°F81%1013.4 hPa
Santa Monica, Santa Monica Municipal Airport, CA6 mi69 minWSW 410.00 miOvercast64°F58°F81%1013.3 hPa
Los Angeles / USC Campus Downtown, CA8 mi68 minN 010.00 miFair64°F58°F81%1013.1 hPa
Torrance, Zamperini Field Airport, CA12 mi3.2 hrsW 1010.00 miA Few Clouds63°F57°F83%1012.5 hPa
Long Beach, Long Beach Airport, CA16 mi67 minNW 510.00 miFair64°F57°F78%1013.2 hPa
Burbank - Bob Hope Airport, CA17 mi67 minSSE 610.00 miFair65°F57°F76%1011.8 hPa
Van Nuys, Van Nuys Airport, CA18 mi69 minESE 510.00 miFair67°F57°F71%1012.1 hPa
Los Angeles, Whiteman Airport, CA21 mi3.1 hrsN 010.00 miClear72°F57°F61%1013.2 hPa
El Monte, CA22 mi3.3 hrsSSW 710.00 miFair70°F57°F64%1012.2 hPa
Los Alamitos Army Airfield, CA22 mi62 minSE 310.00 miFair62°F61°F97%1013.8 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi67 minS 410.00 miFair64°F56°F75%1013 hPa

Link to 5 minute data for KLAX

Wind History from LAX (wind in knots)
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Last 24hrW6W5W5W6W6W5W5SW3Calm3W4SW5SW4W8W9W11W11W13W12SW10W9W8W6W6
1 day agoW5W4W5W4CalmCalmCalmNW33N3SW5W6W8SW9W8W12W11W11W12W10W8W9W8W8
2 days agoS4W3CalmSE6SE5S3W7S6SE5CalmE46W6SW6W8W11W12W9W9W9W8W7SW6W6

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Mon -- 01:49 AM PDT     -0.03 feet Low Tide
Mon -- 03:03 AM PDT     Moonset
Mon -- 05:43 AM PDT     Sunrise
Mon -- 07:56 AM PDT     3.57 feet High Tide
Mon -- 12:58 PM PDT     1.47 feet Low Tide
Mon -- 04:59 PM PDT     Moonrise
Mon -- 07:28 PM PDT     6.17 feet High Tide
Mon -- 08:08 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.1-00.3122.83.43.63.32.82.21.71.51.72.43.44.65.56.16.15.44.32.8

Tide / Current Tables for Santa Monica, Municipal Pier, California (2)
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Santa Monica
Click for Map
Mon -- 01:42 AM PDT     -0.04 feet Low Tide
Mon -- 03:03 AM PDT     Moonset
Mon -- 05:43 AM PDT     Sunrise
Mon -- 07:46 AM PDT     3.62 feet High Tide
Mon -- 12:51 PM PDT     1.53 feet Low Tide
Mon -- 04:59 PM PDT     Moonrise
Mon -- 07:18 PM PDT     6.33 feet High Tide
Mon -- 08:08 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.1-00.41.22.133.53.63.32.82.21.71.51.82.63.74.95.86.36.25.44.22.6

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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