Thursday, July16, 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 5:51AMSunset 8:02PM Thursday July 16, 2020 9:57 AM PDT (16:57 UTC) Moonrise 2:24AMMoonset 4:38PM Illumination 14% Phase: Waning Crescent; Moon at 26 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- 905 Am Pdt Thu Jul 16 2020
Today..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 6 seconds.
Tonight..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 7 seconds.
Fri..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.
Fri 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 7 seconds. Patchy fog after midnight.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 ft at 7 seconds. Patchy fog in the morning.
Sat night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft. Patchy fog after midnight.
Sun..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 ft. Patchy fog.
Mon..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 ft. Patchy fog.
PZZ600 905 Am Pdt Thu Jul 16 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 1032 mb high pressure system was centered 1100 nm west of eureka. A 1006 mb low was centered in nevada.


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 161646 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 946 AM PDT Thu Jul 16 2020

SYNOPSIS. High pressure to the east will bring a warming trend through the weekend. High temperatures for inland areas will average 3 to 7 degrees above normal Saturday through Monday, with Sunday being the warmest day. This will be followed by a slow cooling trend into the middle of next week with high temperatures cooling a few degrees. The marine layer will become a little shallower with night and morning coastal low clouds not extending as far into the valleys for the weekend. Minor influxes of mid and high level monsoonal moisture are expected for the middle part of next week, resulting in an increase in cloudiness.

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

Stratus has already eroded over most areas but the immediate coast this hour. Expect clear skies area wide by noon and through the rest of the day. Our warming trend begins today, and will continue through the weekend, with temperatures likely to be a couple of degrees warmer than they were on Wednesday. Gusty northwest winds are expected over the deserts and mountain passes late this afternoon and evening as is normal this time of year. No changes are anticipated to the forecast this morning.

Previous Discussion (Issued 332 AM PDT Thu Jul 16 2020) . The marine layer is around 2000 to 2500 feet deep early this morning with coastal low clouds extending inland across the western two thirds of the San Diego County valleys and spreading northward into northern Orange County. The low clouds should eventually spread into southern and western portions of the Inland Empire around sunrise before clearing back toward the coast beginning around mid morning.

A weak upper level low pressure system centered near Point Conception will move slowly westward as high pressure to the east expands into southern California into the weekend. This will bring a slow warming trend except near the coast with high temperatures by Sunday around 5 degrees warmer. This will be followed by a slow cooling trend into the middle of next week with high temperatures cooling a few degrees.

The marine layer will become gradually shallower with night and morning coastal low clouds and fog only spreading inland into the western valleys for the weekend. Some slight deepening of the marine layer is then possible for the early to middle part of next week with night and morning coastal low clouds and fog spreading a little farther inland into the valleys.

For the early to mid part of next week, there will be some minor influxes of mid and high level monsoonal moisture with some high clouds at times and some afternoon clouds near the mountains. Any chances for afternoon thunderstorms near the mountains remains low for the first part of the week. The potential increases slightly for the middle and latter part of the week but remains low.

The 7-day precipitation anomalies from the GFS ensembles do not exceed average across southwest California for the next two weeks and do not exceed average for the ECMWF ensembles into the last week in August. Average rainfall for Big Bear is around 0.6 inch in July and 1.1 inch with the corresponding rainfall for Pam Springs around one-quarter in July and one-third inch in August.

Climatological precipitation would imply some chances for thunder at times over the mountains and deserts, but less potential for big moisture surges or extended moisture influxes resulting in heavier weekly rainfall totals.

AVIATION. 161425Z . Coast/Valleys . Low clouds with bases around 2000 ft MSL and tops around 2400 feet MSL will scatter out from valley areas 15- 16Z and along the coast from 17-18Z. Low clouds will return after 04Z Thursday evening, with slightly lower bases but similar inland extent, reaching inland to KRNM, but likely remain west of KONT. Local visibilities below 3 miles in fog. Risk of low clouds at KSAN this evening is moderate to high so confidence in low clouds moving into KSAN this evening is moderate to high. Confidence in KSAN arrival time is also moderate to high. Friday clearing time should be similar to today.

Mountains/Deserts . Northwest winds will increase after 22Z in the mountain passes and into the desert floor, with gusts of 20-30 kts possible. Winds will diminish after 06Z. Otherwise, mostly clear with unrestricted visibility through today.

MARINE. No hazardous marine conditions are expected through Tuesday.

SGX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.

PUBLIC . Moreland AVIATION/MARINE . Small DSS . Tardy


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 21 mi62 min 70°F2 ft
46256 24 mi62 min 66°F2 ft
46222 - San Pedro, CA (092) 28 mi38 min 67°F2 ft
OHBC1 - 9410660 - Los Angeles, CA 28 mi64 min 64°F
46224 - Oceanside Offshore, CA (045) 30 mi92 min 72°F2 ft
46225 - Torrey Pines Outer, CA (100) 47 mi62 min 71°F2 ft
46266 49 mi148 min 69°F 74°F2 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA11 mi65 minSW 310.00 miMostly Cloudy69°F57°F68%1013.6 hPa
Los Alamitos Army Airfield, CA22 mi60 minNW 310.00 miOvercast70°F57°F64%1014.6 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrCalmSW5SW7SW8SW7SW9SW7W6W6SW64SW5SW5W4SW3CalmCalmCalmW3CalmSE4SE6S3SW3
1 day ago6SW8S7SW8SW9SW11SW7SW10SW7SW7SW7SW4SW3SW4W5SW7SW6W4W4CalmW3S4S5Calm
2 days agoSW10SW11SW11SW15SW12SW13S11
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SW13S14SW10S8SW8S5SW4SW5W4CalmCalmE54E5SE53SW3

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Thu -- 01:53 AM PDT     0.59 feet Low Tide
Thu -- 02:24 AM PDT     Moonrise
Thu -- 05:53 AM PDT     Sunrise
Thu -- 08:12 AM PDT     3.22 feet High Tide
Thu -- 12:28 PM PDT     2.37 feet Low Tide
Thu -- 04:38 PM PDT     Moonset
Thu -- 07:01 PM PDT     5.57 feet High Tide
Thu -- 08:01 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.30.70.60.81.31.92.633.23.22.92.62.42.42.73.344.85.35.65.34.73.72.5

Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Thu -- 01:54 AM PDT     0.57 feet Low Tide
Thu -- 02:24 AM PDT     Moonrise
Thu -- 05:53 AM PDT     Sunrise
Thu -- 08:08 AM PDT     3.22 feet High Tide
Thu -- 12:34 PM PDT     2.34 feet Low Tide
Thu -- 04:38 PM PDT     Moonset
Thu -- 06:57 PM PDT     5.42 feet High Tide
Thu -- 08:01 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.70.60.81.322.633.23.12.92.62.42.42.63.23.94.75.25.45.24.53.62.5

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 (12,3,4,5)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.