Friday, July10, 2020
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Marine Weather and Tides
Encinitas, 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 5:47AMSunset 8:02PM Thursday July 9, 2020 11:11 PM PDT (06:11 UTC) Moonrise 11:27PMMoonset 10:06AM Illumination 77% 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 151 Pm Pdt Thu Jul 9 2020
Tonight..Wind W to 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 13 seconds.
Fri..Wind W to 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 10 seconds and S 2 ft at 13 seconds.
Fri night..Wind nw 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 10 seconds and S 2 ft at 12 seconds. Patchy fog with vsby 1 nm or less after midnight.
Sat..Wind nw 10 to 15 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 1 to 2 ft at 10 seconds and S 2 ft at 11 seconds. Patchy fog with vsby 1 nm or less in the morning.
Sat night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 8 seconds and S 2 to 3 ft at 12 seconds. Patchy fog with vsby 1 nm or less after midnight.
Sun..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 to 4 ft. Patchy fog with vsby 1 nm or less in the morning.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 to 4 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 3 to 4 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 3 ft.
Tue..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ700 151 Pm Pdt Thu Jul 9 2020
Synopsis for the far southern california coast.. There was moderate onshore flow from a 1032 mb surface high about 1500 miles west of seattle to a 1008 mb surface low near las vegas. Weak to moderate onshore flow will prevail over the next week, with a coastal eddy at times through Thursday. High pressure will dominate the region.


7 Day Forecast for Marine Location Near Encinitas, CA
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location: 33.03, -117.51     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 100444 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 944 PM PDT Thu Jul 9 2020

SYNOPSIS. A heatwave will impact inland areas as strong high pressure builds over the Desert Southwest through the upcoming weekend. Intense heat will be felt across the lower deserts where a very high heat risk will exist. The coast will continue to be moderated by cooler ocean air with perhaps patchy late night fog. Slight cooling will occur next week with a return of more coastal and inland valley late night and morning cloudiness.

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

. Update .

. Heatwave to Impact Inland Areas . . Very High Heat Risk Lower Deserts Saturday through Monday .

A heatwave is on track for inland locales as strong high pressure aloft builds over the Desert Southwest through the weekend. The center of the high will be over Arizona and New Mexico, so we will have southerly flow on the western side of this hot dome of air and this will bring in some moisture from the south. However, right now only afternoon cumulus is forecast over the mountains, especially Saturday afternoon. We will continue to assess whether there may be just enough instability for an isolated thunderstorm to develop over the mountains, but right now this looks unlikely.

The heat will be intense over the lower deserts with highs well into the 110s. 120 is not out of the question. The negating factor for this is scattered mid/high level cloudiness along with some higher dewpoints moving in from the south. Even so, the heat risk will be very high as nighttime lows remain at or above 90 over much of the lower deserts this weekend. This is dangerous heat so heat safety precautions are critical.

It will be hot elsewhere away from the coast, just not as intense. It will also be relative humid with dewpoints into the mid 60s from the coast and into the inland valleys of San Diego County and across Orange County as moisture traps under the suppressive intense ridge aloft.

. Previous Discussion (Issued at 135 PM PDT Thu Jul 9 2020) .

Low clouds cleared fully and all areas are clear early this afternoon. Temperatures are a couple degrees higher than what they were yesterday at this time, representing a hint of the significant warming trend to come. High pressure aloft will strengthen a lot over the Southwest through Saturday. This will squash down our marine layer to confine coastal clouds and more true fog nearer to the coast and diminish coverage area and time. But the main effect of the high will be to bring on the heat. Deserts are in an excessive heat warning Saturday through Monday with expected temperatures topping out around 110 high desert and 119 low desert Saturday and Sunday. We have also issued a heat advisory for all inland areas, including mountains below 5,000 feet elevation Saturday and Sunday. Highest valley temperatures will reach up to around 106. The high begins to weaken a little Sunday and even more Monday. That should begin a cooling trend starting at the coast Sunday, going inland Monday, and in the desert Tuesday. But this will be on the order of only a few degrees cooling each day. There is some monsoon moisture arriving tonight and flowing over our region through at least Sunday. Right now this looks like it will only bring some middle to high clouds and afternoon cumulus building over the mountains, but no thunderstorms. The high relaxes a little next week, allowing for the cooling trend and a rebuilding of the marine layer cloud deck through mid-week. Temperatures will get back to seasonal averages, maybe by Tuesday and flattening out near normal through Thursday.

AVIATION. 100345Z . Coast/Valleys . Stratus with bases 1000-1500 ft MSL developing near the coast this evening and will begin to spread 10 to 15 miles inland overnight. Local vis 3-5 SM in BR/HZ possible over higher coastal terrain and in the far western valleys. Stratus and vis restrictions clearing 15-18Z. Patchy stratus redeveloping Friday night with bases below 1000 ft MSL and areas of 2-4 SM vis. Otherwise increasing clouds AOA 10000 ft MSL through Friday evening.

Mountains/Deserts . Increasing clouds AOA 10000 ft MSL through Friday evening. Some CU/TCU with bases near 8000-9000 ft MSL and tops to 15000 ft MSL may develop over the mountain crests after 19Z Friday, dissipating around sunset.

MARINE. Patchy fog with visibility near 1 nm will be possible Friday night and Saturday night. Otherwise, no hazardous marine conditions are expected through Tuesday.

SKYWARN. Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES. CA . Excessive Heat Warning from 10 AM Saturday to 8 PM PDT Monday for Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-San Gorgonio Pass Near Banning.

Heat Advisory from 10 AM Saturday to 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 . Gregoria (Update)/MM (Prev Discussion) AVIATION/MARINE . SS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46225 - Torrey Pines Outer, CA (100) 9 mi46 min 70°F3 ft
46224 - Oceanside Offshore, CA (045) 10 mi46 min 71°F2 ft
46266 13 mi102 min 67°F 74°F2 ft
46254 17 mi46 min 74°F2 ft
LJAC1 - 9410230 - La Jolla, CA 18 mi60 min WSW 1 G 2.9 67°F 74°F1013.2 hPa
LJPC1 - La Jolla, CA (073) 18 mi52 min NW 1.9 G 2.9 2 ft
46258 19 mi46 min 72°F3 ft
SDBC1 - 9410170 - San Diego, CA 28 mi60 min 72°F1013.3 hPa
46232 - Point Loma South, CA (191) 36 mi46 min 71°F3 ft
TIXC1 - Tijuana River Reserve, CA 37 mi87 min Calm 64°F 1014 hPa60°F
46086 - San Clemente Basin 47 mi152 min 5.8 G 7.8 64°F 1012.8 hPa59°F

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Carlsbad, McClellan-Palomar Airport, CA14 mi19 minN 010.00 miFair67°F61°F81%1013.3 hPa
Oceanside, Oceanside Municipal Airport, CA16 mi20 minN 06.00 miFog/Mist60°F60°F100%1013.4 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi17 minN 09.00 miFair60°F54°F80%1013.5 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA22 mi77 minW 410.00 miFair66°F61°F84%1012.8 hPa
San Diego, Montgomery Field, CA24 mi19 minN 010.00 miFair68°F61°F78%1013.6 hPa

Link to 5 minute data for KCRQ

Wind History from CRQ (wind in knots)
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Last 24hrS33E3CalmCalmN3CalmSW3CalmW3CalmW6W8W7SW7W85SW7SW8SW7W5W3CalmCalm
1 day agoCalmS4CalmSE3CalmS3S3S4SE6CalmW5W5SW7SW10SW7W7SW10SW8SW8SW8S6S5S3S3
2 days agoCalmCalmSE4S3S4CalmS5CalmSE4S4CalmSW5SW9SW7W9SW7SW9W96W6SW3W3W3SW3

Tide / Current Tables for La Jolla, Scripps Pier, California
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
La Jolla
Click for Map
Fri -- 12:32 AM PDT     4.66 feet High Tide
Fri -- 05:49 AM PDT     Sunrise
Fri -- 07:47 AM PDT     0.48 feet Low Tide
Fri -- 11:01 AM PDT     Moonset
Fri -- 02:49 PM PDT     3.98 feet High Tide
Fri -- 07:59 PM PDT     Sunset
Fri -- 08:00 PM PDT     2.72 feet Low Tide
Fri -- 11:54 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.64.33.62.81.91.10.60.50.81.32.12.93.53.943.83.53.12.82.72.83.13.5

Tide / Current Tables for La Jolla, Scripps Pier, California (2)
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La Jolla
Click for Map
Fri -- 12:44 AM PDT     4.81 feet High Tide
Fri -- 05:49 AM PDT     Sunrise
Fri -- 07:51 AM PDT     0.37 feet Low Tide
Fri -- 11:01 AM PDT     Moonset
Fri -- 02:52 PM PDT     4.11 feet High Tide
Fri -- 07:59 PM PDT     Sunset
Fri -- 08:01 PM PDT     2.64 feet Low Tide
Fri -- 11:54 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.74.84.53.9321.10.50.40.61.222.93.544.13.93.63.12.82.62.83.13.5

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 (2,6,7,8)
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Ground Weather Radar Station San Diego, 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.