Friday, April3, 2020
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Marine Weather and Tides
Carlsbad, 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 6:32AMSunset 7:12PM Friday April 3, 2020 3:12 AM PDT (10:12 UTC) Moonrise 2:23PMMoonset 3:48AM Illumination 78% Phase: Waxing Gibbous; Moon at 10 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- 221 Am Pdt Fri Apr 3 2020
Today..Wind variable less than 10 kt...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft at 10 seconds. SWell S 3 ft.
Tonight..Wind W to 10 kt...becoming S 10 kt after midnight. Wind waves 2 ft or less. SWell W 3 to 4 ft at 9 seconds.
Sat..Wind S 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft at 9 seconds.
Sat night..Wind W 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft at 8 seconds.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft at 7 seconds.
Sun night..Wind sw 10 to 15 kt. Wind waves 2 ft or less... Becoming 3 ft after midnight. SWell W 2 to 3 ft. Chance of rain after midnight.
Mon..Wind S 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. SWell sw 3 to 4 ft. Rain.
Mon night..Wind sw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft. Chance of rain in the evening. Slight chance of tstms. Chance of showers after midnight.
Tue..Wind variable less than 10 kt...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft. SWell sw 3 ft. Chance of showers in the morning, then slight chance of showers in the afternoon.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft. Slight chance of showers in the evening, then chance of showers after midnight.
PZZ700 221 Am Pdt Fri Apr 3 2020
Synopsis for the far southern california coast..At 2 am, a 1025 mb high was off the coast of oregon and a 1009 mb low was near needles. A coastal eddy will likely be present through Saturday. Breezy northwest winds with occasional gusts exceeding 20 kts are expected around san clemente island for a few hours each evening through Saturday. Onshore flow increases Sunday into Monday, with showers and a cold front set to move through the coastal waters Monday. There is a slight chance of Thunderstorms over the water on Monday.


7 Day Forecast for Marine Location Near Carlsbad city, CA
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location: 33.14, -117.39     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 030425 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 930 PM PDT Thu Apr 2 2020

SYNOPSIS. A coastal eddy will maintain a deep marine layer until Friday morning with areas of low clouds extending from the coast to the coastal mountain slopes, where there will be patchy fog. Better clearing will occur Friday than today. Otherwise, cool but fair weather will continue through Saturday night. A low pressure system will move slowly southward just off the California coast Sunday through Tuesday, then slowly inland Wednesday and Thursday. This will bring periods of precipitation to many parts of southern California mainly Sunday night through Thursday with well below average high temperatures.

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

Widespread low clouds were occurring from the mountain crests west to the coast as at least San Bernardino and Riverside counties appeared to have an inversion around 6000 feet, with most areas having a lower inversion around 3000 feet. A weak short wave was moving through SoCal tonight and should be to the east Friday, and high-resolution models show that most of the stratus should clear Friday, though only slight warming should occur. It looks like the coastal eddy should weaken as well on Friday, which should help with the clearing. Not too much change is expected overall Saturday, though the trend of the marine layer should be to deepen. See the previous discussion below for the broad upper low for next week which will bring periods of rain. Most likely, the rain would start Sunday night, but models still diverge a lot past about Tuesday, so when precipitation will end is quite uncertain; GFS deterministic is still ahead of the pack compared with other models/ensembles with the exiting of the low, and most likely at least some rain should linger through Thursday, possibly longer.

From previous discussion .

A closed low pressure system centered off the northern California coast on Sunday will slowly dig southward through the early part of next week. There is still some spread in the position of the center of the upper low beyond Monday. The deterministic GFS remains on the faster edge of the guidance, though the 12Z ensemble mean is more in line with the ECMWF, similar to the 00Z runs. Given that the GFS keeps trending slower and the remaining guidance clusters around a slower solution, have trended precip timing and amounts towards the slower guidance. This means light precipitation possibly starting Sunday afternoon, with periods of heavier precipitation Monday morning into Tuesday morning as a plume of subtropical moisture nudges into extreme southern California. Instability is fairly marginal, but went ahead and added a slight chance of thunderstorms for coastal areas and valleys on Monday.

Showers will continue through the day Tuesday and into Wednesday. What was once looking like a potent short wave moving through on Wednesday is now forecast to dig further south and into northern Baja, limiting chances for another round of heavier precipitation here. So expect showers on Wednesday to remain light to occasionally moderate. One more little short wave moves through on Thursday as the low drifts east, continuing the chance of showers. Light precipitation may even last beyond then as the ensembles as well as deterministic EC and CMC remain very slow to move the low out of the area.

From Sunday into Thursday, rainfall could range from 1.5 to 2 inches near the coast to 2.5 to 4 inches in the mountains with local amounts to 6 inches in the San Bernardino mountains. In the deserts, rainfall of 0.75-1.25 inch is possible in high deserts areas with around one quarter inch in the lower deserts.

Confidence is increasing on when the more significant periods of precipitation will occur, though overall there is still quite a bit of uncertainty. Snow levels will occasionally lower to around 5000 ft by Wednesday, but the more significant snowfall will be above 5500-6000 feet. Around 6-12 inches of snow is possible above 6000 ft, and 1-2 ft above 7000 ft. The highest peaks of the San Bernardino and San Gabriel mountains could receive 3 ft or more.

High temperatures will be well below average for Sunday through Thursday. Monday through Wednesday the coolest days with high temperatures 10 to 15 degrees below average except towards the coast.

AVIATION. 030330Z . Coast/Valleys . BKN-OVC low clouds with bases 2000-3000 ft MSL will continue to fill in the coastal basin overnight. Visibility will mostly remain 6+ miles at TAF sites, but could drop to 3-5 miles in the valleys. Better clearing is expected along the coast Friday, with scatter out around 16-17Z for the valleys and 17-18Z for coastal areas.

Mountains/Deserts . Areas of low clouds and fog will impact mountain communities overnight. Visibility could drop down to one mile through 12Z. Low clouds and fog will clear the mountains around 12Z. Otherwise, mostly clear with unrestricted vis through Friday.

MARINE. Periods of breezy northwest winds with gusts occasionally exceeding 20 kts are expected around San Clemente Island Friday and Saturday evening. An incoming cold front is expected to produce areas of showers starting as early as Sunday, with most widespread rain expected Monday/Tuesday. There is a slight chance of thunderstorms over the coastal waters Monday and Monday night.

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

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

PUBLIC . Maxwell/SS (Previous Discussion) AVIATION/MARINE . Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 5 mi42 min 60°F3 ft
46225 - Torrey Pines Outer, CA (100) 14 mi42 min 59°F4 ft
46266 14 mi192 min 57°F 60°F3 ft
46254 20 mi42 min 59°F2 ft
LJAC1 - 9410230 - La Jolla, CA 20 mi60 min E 7 G 8 56°F 60°F1014.4 hPa
LJPC1 - La Jolla, CA (073) 20 mi52 min E 6 G 8 2 ft
46258 27 mi42 min 61°F5 ft
SDBC1 - 9410170 - San Diego, CA 32 mi60 min 64°F1014.6 hPa
TIXC1 - Tijuana River Reserve, CA 41 mi87 min Calm 56°F 1016 hPa47°F
46232 - Point Loma South, CA (191) 43 mi42 min 61°F5 ft

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oceanside, Oceanside Municipal Airport, CA6 mi80 minNE 44.00 miFog/Mist50°F48°F96%1015.2 hPa
Carlsbad, McClellan-Palomar Airport, CA6 mi79 minE 410.00 miMostly Cloudy54°F45°F72%1014.5 hPa
Mcolf Camp Pendleton (Red Beach), CA10 mi76 minNE 610.00 miA Few Clouds53°F46°F77%1023.9 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA11 mi77 minN 010.00 miOvercast52°F45°F77%1015.2 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA22 mi77 minE 510.00 miOvercast51°F44°F77%1014.5 hPa

Link to 5 minute data for KCRQ

Wind History from CRQ (wind in knots)
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Last 24hrSE5SE4S5S6S7SW7SW7SW11S14
G19
S12--SW10------S6S5SE4CalmCalmSE3CalmE4Calm
1 day agoCalmCalmCalmCalmCalmS85SW5SW7SW11SW9SW9SW10SW8SW8S7S6S6S5SE7SE6S54SE5
2 days agoCalmCalmNE4NE3S4CalmCalmCalmW3W5W6SW74--CalmW5CalmCalmCalmS3CalmCalmCalmCalm

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Fri -- 03:46 AM PDT     Moonset
Fri -- 05:49 AM PDT     4.73 feet High Tide
Fri -- 06:33 AM PDT     Sunrise
Fri -- 01:06 PM PDT     -0.54 feet Low Tide
Fri -- 02:23 PM PDT     Moonrise
Fri -- 07:11 PM PDT     Sunset
Fri -- 07:48 PM PDT     3.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.52.633.64.24.64.74.43.72.71.60.5-0.2-0.5-0.30.31.32.33.23.73.93.63.12.4

Tide / Current Tables for La Jolla (Scripps Institution Wharf), California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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