Saturday, July11, 2020
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Marine Weather and Tides
Laguna Beach, 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 5:48AMSunset 8:04PM Saturday July 11, 2020 11:38 AM PDT (18:38 UTC) Moonrise 12:00AMMoonset 11:58AM Illumination 62% 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- 834 Am Pdt Sat Jul 11 2020
Today..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 11 seconds. Patchy dense fog, with vsby 1 nm or less.
Tonight..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 8 seconds and S 2 ft at 12 seconds. Patchy dense fog with vsby 1 nm or less after midnight.
Sun..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 S 3 ft at 11 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Sun night..SW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 3 ft at 10 seconds. Patchy dense fog with vsby 1 nm or less after midnight.
Mon..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 3 ft at 9 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Mon night..W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and S 3 ft at 10 seconds. Patchy fog after midnight.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft. Patchy fog.
Wed..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 ft. Patchy fog.
PZZ600 834 Am Pdt Sat Jul 11 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 1025 mb high pressure was centered centered 600 nm west of san francisco, while a 1008 mb was centered over southern nevada and a 1008 mb thermal low was located over southern nevada. The high will strengthen some over the next few days. Dense fog with very low visibility will persist into early next week. Steep and hazardous seas will develop across the coastal waters through the coming week.


7 Day Forecast for Marine Location Near Laguna Beach, CA
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location: 33.54, -117.79     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 111642 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 940 AM PDT Sat Jul 11 2020

SYNOPSIS. The weather will be exceptionally hot this weekend with strong high pressure over the Southwest. Coastal temperatures will be moderated by sea breezes. Increasing moisture will bring scattered high clouds and a slight chance for showers, mainly over the mountains. Temperatures will slowly trend lower early next week as the high aloft weakens. Seasonal weather will prevail later next week with a weak trough along the West Coast.

DISCUSSION. FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE . SAN DIEGO . WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES .

The hottest day of the heat wave is upon us. Temperatures at 9 AM were running 3 to 9 degrees higher than at 9 AM Friday. The San Diego Airport was 75F (+4), Ramona was 87 (+7), Ontario was 84 (+9), and Palm Springs 96 (+3). Moisture was also on the increase this morning with southeast winds around the sprawling 600 dm high over New Mexico pulling high level moisture into SoCal. The 12Z NKX sounding this morning had a Precipitable Water of 1.24" compared to 1.06" Friday morning. The biggest moisture increase was in the mountains where dew points jumped 10-30 degrees overnight, with Mt Laguna at 59F and Descanso at 56F at 8 AM. Dew points in the lower elevations were relatively unchanged since yesterday morning.

Today will be one of the hottest days of the year . so far. Inland valley highs will range from 100 in inland Orange County and the San Diego Valleys to 108 in eastern areas of the Inland Empire. Mountain highs will range from 85 at the higher elevations to 100 in the foothills. The highs deserts top out from 103-107, and the low deserts 114-118. Sunday will be another hot day, with highs only a few degrees lower than today.

There are small chances of precipitation in the mountains this weekend. Clouds over Sonora, Mexico, this morning were moving into northern Baja. Weak radar echoes over this area were moving northwest. Moisture advection into SoCal today will initiate cumulus buildups with the heat of the day, and there is a slight chance for showers over the mountains, but instability is weak with CAPE of only 100-200 J/kg. Synoptic scale subsidence associated with the 600 dm high over New Mexico and Arizona will be a limiting factor in any convection that develops.

Early next week a trough sets up along the West Coast and the upper ridge axis retreats farther east. Lowering heights, stronger onshore flow and a slowly deepening marine layer will return temperatures to their seasonal norms by midweek. Patchy dense fog may form again Sunday morning in the coastal areas, then gradually spread a little farther inland each day through Wednesday.

The weak Pacific trough retrogrades a few hundred miles westward late next week, and an upper ridge anchors near the Four Corners. This pattern remains in place through next weekend which means temperatures will be at or slightly above average, and the monsoon signal will remain fairly weak.

AVIATION. 111600Z . Coast . Mostly clear this morning with increasing SCT-BKN clouds AOA 10,000 ft MSL this afternoon into tonight. Moderate confidence of patchy low clouds returning tonight after 09Z. Bases a little lower than they were this morning with some places seeing bases 300-800 ft MSL. Look for these cigs to clear 14-16Z Sunday.

Valleys/Mountains/Deserts . Increasing SCT-BKN clouds AOA 10,000 ft MSL through later this morning. SCT CU/ISO TCU may developing over the mountain crests this afternoon with bases near 8000 ft MSL and tops to 20000 ft MSL, dissipating near sunset. Some of these mid level clouds 10,000 ft MSL will prevail through the night.

MARINE. Patchy fog slowly dissipating this morning over the coastal waters with visibility near 1 mile at times. Some of this fog may come back into the picture this evening through Sunday morning, though confidence still somewhat on the low end. Otherwise, no hazardous marine conditions are expected through Wednesday.

SKYWARN. Skywarn activation will not be needed today.

SGX WATCHES/WARNINGS/ADVISORIES. CA . Excessive Heat Warning until 8 PM PDT Monday for Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning.

Heat Advisory until 8 PM PDT Sunday for Orange County Inland Areas-Riverside County Mountains-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Mountains-San Diego County Valleys-Santa Ana Mountains and Foothills.

PZ . NONE.



PUBLIC . Moede AVIATION/MARINE . APR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 21 mi43 min 70°F2 ft
46256 24 mi43 min 67°F2 ft
PRJC1 25 mi51 min WSW 12 G 13
AGXC1 27 mi105 min SW 12 G 14
PFDC1 27 mi105 min S 8.9 G 9.9
PFXC1 27 mi51 min SW 9.9 G 9.9
46222 - San Pedro, CA (092) 28 mi49 min 70°F2 ft
OHBC1 - 9410660 - Los Angeles, CA 28 mi51 min 66°F1016.4 hPa
PSXC1 28 mi51 min S 6 G 7
BAXC1 29 mi105 min ESE 4.1 G 4.1
46224 - Oceanside Offshore, CA (045) 30 mi73 min 71°F2 ft
PXAC1 30 mi111 min NW 2.9 G 4.1
46225 - Torrey Pines Outer, CA (100) 47 mi43 min 71°F2 ft
46266 49 mi129 min 69°F 73°F2 ft

Wind History for Los Angeles Pier J, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA11 mi46 minSW 610.00 miA Few Clouds82°F64°F55%1015.4 hPa
Los Alamitos Army Airfield, CA22 mi41 minSW 710.00 miA Few Clouds82°F62°F51%1015.9 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrSW55W6SW10SW9S9SW7SW7W4S6S6S5S4S4S5S3CalmCalmCalmS3CalmCalmCalmSW6
1 day ago6S12
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SW8SW8SW6SW7SW7S10S9S6SW4S3CalmCalmN3W3NW3NW33CalmS4CalmSW5SW4
2 days agoSW5S10S11S11S11
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S10S10S9S8S6S7S4S3S3CalmCalmS43CalmW4CalmSW5SW3Calm

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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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 Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Sat -- 01:25 AM PDT     3.99 feet High Tide
Sat -- 05:50 AM PDT     Sunrise
Sat -- 08:36 AM PDT     0.89 feet Low Tide
Sat -- 11:58 AM PDT     Moonset
Sat -- 03:36 PM PDT     4.11 feet High Tide
Sat -- 08:03 PM PDT     Sunset
Sat -- 09:42 PM PDT     2.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.743.93.73.22.51.81.30.90.91.21.82.53.23.74.14.13.93.53.12.82.52.52.7

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 San Diego, CA (14,3,4,5)
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Ground Weather Radar Station Santa Ana Mtns, CA
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weather_mapweather_map weather_map

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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 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.