Wednesday, April8, 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 6:27AMSunset 7:18PM Wednesday April 8, 2020 12:02 PM PDT (19:02 UTC) Moonrise 8:19PMMoonset 7:09AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 907 Am Pdt Wed Apr 8 2020
Today..W winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 3 ft at 17 seconds. Slight chance of showers in the morning, then chance of showers.
Tonight..SW winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 3 ft at 16 seconds. Chance of showers.
Thu..SW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 3 ft at 16 seconds. Showers likely in the morning, then showers.
Thu night..SW winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 3 ft at 15 seconds. Showers likely in the evening, then chance of showers.
Fri..N winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 3 ft at 15 seconds. Chance of showers in the morning, then slight chance of showers.
Fri night..W winds 10 to 15 kt. Wind waves 2 ft or less. S swell 2 ft at 14 seconds.
Sat..W winds 10 to 15 kt. Wind waves 2 ft or less. S swell 2 ft.
Sun..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 1 ft.
PZZ600 907 Am Pdt Wed Apr 8 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z, or 9 am pdt, a 1011 mb low pressure center was located near las vegas with a cold front over southeastern california.


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 081528 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 828 AM PDT Wed Apr 8 2020

SYNOPSIS. A low pressure system centered south of Point Conception will move very slowly eastward through Friday, then move more rapidly eastward and weaken for Friday night and Saturday. Periods of showers will continue into Friday, ending Friday night. Saturday through Monday will be warmer and drier, but with high temperatures remaining below average. Then warmer and dry for Tuesday and Wednesday.

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

The upper level low remains centered near Point Conception this morning. A short wave trough lifting north on the east side of the low along with weak mid-level convergence produced a large band of precipitation over Southern CA. This band will shift east and north through the day as another short wave trough moves through the base of the low and pushes it out. Colder air aloft associated with the low center will inch closer this afternoon, and combined with daytime heating will lead to greater instability and a chance of heavier showers and thunderstorms, especially for the coastal and valley areas.

The low will move in a counter-clockwise loop tonight through Friday, first heading towards Las Vegas Thursday morning before turning around and making a return trip to southeast CA Thursday night and Friday, finally heading east into AZ Friday night. Moisture wrapping around the low even as it lifts northeast will continue showers over southern CA, although it now looks like the main band will be positioned over LA County and areas west, limiting any snow and desert flooding impacts over San Bernardino County. Most of the area will just continue to see scattered light to moderate showers into Thursday and Friday before it all comes to an end Friday night.

High temperatures are expected to be coolest for today and Thursday with high temperatures for some inland areas 20 to 25 degrees below average. Saturday through Monday is expected to be mostly dry and a little warmer but with high temperatures remaining below average. Tuesday and Wednesday are expected to be dry and warmer with high temperatures possibly warming to around average.

AVIATION. 081515Z . Coast/Valleys/Mountains . Periods of SHRA today and tonight. SHSN in the mountains above 4500 ft. BKN-OVC cloud bases will vary between 3000-6000 feet MSL. In areas of RA cigs 800-1800 ft MSL and vis 2-5SM possible. Intermittent periods of SCT conditions along the coast possible between 18-00Z. Higher terrain will be obscured much of the time. There is a chance of isolated thunderstorms mainly between 18-00Z today.

Deserts . BKN-OVC clouds with bases 5000-7000 ft MSL and periods of RA/SHRA today. Locally bases could drop to 3000-4000 ft MSL with vis 2-5 SM in areas of RA. There is a chance of isolated thunderstorms from late this morning into the afternoon. SCT conditions expected after 01Z Thu.

MARINE. There is a slight chance of thunderstorms this afternoon. Otherwise, no hazardous marine weather is expected through Sunday.

BEACHES. There is a slight chance of thunderstorms producing lightning strikes this afternoon.

HYDROLOGY. Through Friday, additional rainfall is expected to range from around 1 inch near the coast to 1.5 to 2.5 inches in the mountains with one half to three quarters inch for high desert areas and around one quarter to one half inch for low desert areas.

The potential for urban and small stream flooding will continue today along with the possibility of isolated flash flooding with thunderstorms or where showers track repeatedly across the same area.

Snow levels will be near 4500 to 5000 feet into Thursday morning, then rise to 5000 to 5500 feet for Thursday afternoon through Friday. In the mountains of San Bernardino and Riverside Counties, additional snowfall of 3 to 6 inches is expected from 4500 to 5500 feet, 6 to 12 inches from 5500 to 6500 feet, 12 to 24 inches from 6500 to 7500 feet, with greater than 24 inches on the highest peaks. In San Diego County, 3 to 6 inches is possible above 5500 feet with 1 to 3 inches down to 5000 feet.

SKYWARN. Skywarn activation may be requested this afternoon.

SGX WATCHES/WARNINGS/ADVISORIES. CA . Winter Weather Advisory until noon PDT Thursday for San Diego County Mountains.

Flash Flood Watch until 7 PM PDT this evening for Apple and Lucerne Valleys-Coachella Valley-Orange County Coastal Areas-Orange County Inland Areas-Riverside County Mountains- San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas-San Diego County Deserts-San Diego County Mountains-San Diego County Valleys-San Gorgonio Pass Near Banning-Santa Ana Mountains and Foothills.

Winter Storm Warning until 5 AM PDT Friday for Riverside County Mountains-San Bernardino County Mountains.

PZ . NONE.

PUBLIC . SS HYDROLOGY . SS/17 AVIATION/MARINE/BEACHES . CO


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 21 mi34 min 60°F3 ft
46256 24 mi32 min 62°F4 ft
PRJC1 25 mi44 min SW 9.9 G 11
AGXC1 27 mi98 min SW 9.9 G 12
PFDC1 27 mi98 min S 7 G 9.9
PFXC1 27 mi44 min SSW 8.9 G 12
46222 - San Pedro, CA (092) 28 mi39 min 60°F3 ft
OHBC1 - 9410660 - Los Angeles, CA 28 mi50 min 62°F1017.3 hPa
PSXC1 28 mi44 min W 4.1 G 7
BAXC1 29 mi98 min SSE 11 G 13
46224 - Oceanside Offshore, CA (045) 30 mi32 min 62°F4 ft
PXAC1 30 mi110 min ESE 7 G 12
46225 - Torrey Pines Outer, CA (100) 47 mi32 min 58°F4 ft
46266 49 mi122 min 55°F 61°F3 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 mi69 minSSW 810.00 miMostly Cloudy61°F46°F58%1016.5 hPa
Los Alamitos Army Airfield, CA22 mi2.1 hrsN 07.00 miMostly Cloudy56°F42°F61%1016.6 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrCalmE5SE3NE5NE4SE11
G18
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W7N5CalmCalmCalmE4E5CalmNE3CalmCalmCalmSE4CalmW4SW8SW8
1 day agoS9SW7W5SW5S5SW5SW4CalmCalmE5E5E4CalmCalmNE3E3CalmCalmCalmN3N4N3CalmCalm
2 days agoS9SW9S11S14SW12
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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
Wed -- 04:09 AM PDT     -0.63 feet Low Tide
Wed -- 06:29 AM PDT     Sunrise
Wed -- 07:09 AM PDT     Moonset
Wed -- 10:10 AM PDT     5.07 feet High Tide
Wed -- 04:14 PM PDT     0.04 feet Low Tide
Wed -- 07:17 PM PDT     Sunset
Wed -- 08:19 PM PDT     Moonrise
Wed -- 10:17 PM PDT     5.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.82.40.9-0.1-0.6-0.30.623.54.65.14.842.81.60.50.10.31.12.545.25.85.6

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 (15,3,4,5)
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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.