Tuesday, January21, 2020
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Marine Weather and Tides
San Clemente, 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 6:51AMSunset 5:12PM Tuesday January 21, 2020 8:33 AM PST (16:33 UTC) Moonrise 5:11AMMoonset 3:29PM Illumination 13% 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 211 Am Pst Tue Jan 21 2020
Today..Wind variable less than 10 kt...becoming nw to 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 15 seconds.
Tonight..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Wed..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Wed night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 15 seconds.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 13 seconds.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
PZZ700 211 Am Pst Tue Jan 21 2020
Synopsis for the far southern california coast.. At 2 am, a neutral flow was observed over the coastal waters. Increased onshore flow will continue through Wednesday. Light winds will prevail Thursday through Saturday with a weak eddy circulation at times.


7 Day Forecast for Marine Location Near San Clemente, CA
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location: 33.42, -117.62     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 211628 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 828 AM PST Tue Jan 21 2020

SYNOPSIS. Clouds will break later today, allowing limited sun along and west of the mountains this afternoon, with a few isolated showers still possible. After a mostly cloudy night with patchy fog west of the mountains, skies will become fair on Wednesday, and a warming trend will begin with daytime temperatures climbing back above average Thursday through Saturday. By Sunday, another weak Pacific system will approach with increasing clouds, cooling, and a chance for light showers Sunday night or Monday.

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

Rainfall was measured over all of San Diego County last night, tapering to the north, with none recorded over the high desert and very spotty amounts over SW San Bernardino County. A rainfall summary has been posted and headlined on our webpage. Radar still has a few echoes as of 8 AM PST, but the widespread rain has ended. The forecast was updated for more clouds and a slight chance for showers continuing, mainly near and along the coastal slopes of the Riverside and San Diego County mountains.

Satellite imagery shows widespread low clouds persist along and west of the mountains, and extend over the CA Bight. Another area of high clouds is drifting SE toward the CWA, which is associated with a weak trough. The 12Z Miramar sounding had a weak inversion based near 6K FT with near saturation up through 14K FT with a PW over just over one inch. Much of that high level moisture has likely thinned, but not the lower levels, which will remain high through tonight. Due to the high RH and the approaching weak trough, some spotty showers will be possible through the day, but mainly along the coastal slopes.

After we get this next weak trough embedded in the NW flow aloft past us, a ridge will begin to build over the SW, along with some weak offshore flow at times. This will set us up for a string of fair, dry, and warmer days into the weekend. After Saturday, another weak Pacific trough will approach with some cooling on Sunday, and a chance for more light showers Sunday night into Monday.

After Monday through much of next week, the pattern returns to fair and mild, with the majority of both the GFS/ECMWF ensemble members coming up dry.

AVIATION. 211630Z . Widespread low clouds with bases around 2500 ft MSL cover most of the region west of the mtns. Patches of clouds with bases around 600 ft MSL could impact TAF sites at times. Fog and drizzle could reduce vis to 3-5 miles at times with higher terrain obscured in clouds and fog. Partial clearing of low clouds 18-22Z from coast toward valleys and lastly along mountain slopes. Areas of low clouds redevelop after 02Z 1500-2000 feet MSL with random coverage across the coastal basin.

MARINE. No hazardous marine conditions are expected through Saturday.

Beaches. Swell and surf will build late today through Wednesday, generating surf of 4-6 feet along portions of southern San Diego County on Wednesday. The higher sets, along with a long swell period, will create strong rip currents and hazardous swimming conditions.

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 . 10 AVIATION/MARINE/BEACHES . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 18 mi34 min 60°F3 ft
46253 32 mi34 min 61°F3 ft
46225 - Torrey Pines Outer, CA (100) 36 mi34 min 58°F3 ft
46256 36 mi34 min 60°F2 ft
PRJC1 37 mi46 min Calm G 0
46266 37 mi34 min 53°F 60°F3 ft
46222 - San Pedro, CA (092) 39 mi41 min 61°F3 ft
AGXC1 39 mi46 min SSE 1 G 1
PFXC1 39 mi46 min SE 1.9 G 1.9
PFDC1 39 mi46 min Calm G 0
OHBC1 - 9410660 - Los Angeles, CA 40 mi46 min 1020.7 hPa
PSXC1 40 mi46 min S 1.9 G 1.9
BAXC1 41 mi46 min SE 2.9 G 2.9
46254 42 mi36 min 54°F 60°F2 ft
PXAC1 42 mi46 min S 1 G 1.9
LJPC1 - La Jolla, CA (073) 43 mi74 min NNE 4.1 G 6 2 ft
LJAC1 - 9410230 - La Jolla, CA 43 mi52 min NE 4.1 G 6 54°F 60°F1020.3 hPa
46258 47 mi34 min 60°F3 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mcolf Camp Pendleton (Red Beach), CA13 mi98 minENE 510.00 miOvercast0°F0°F%1020.7 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA17 mi99 minN 010.00 miMostly Cloudy52°F48°F89%1020.5 hPa
Oceanside, Oceanside Municipal Airport, CA20 mi42 minNE 39.00 miOvercast53°F51°F93%1020.4 hPa
John Wayne-Orange County Airport, CA22 mi41 minSE 310.00 miMostly Cloudy59°F51°F75%1020.2 hPa

Link to 5 minute data for KNXF

Wind History from NXF (wind in knots)
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Last 24hrN4CalmSE7E10E3SW12W5E3E9E3SE3CalmCalmE3CalmNW4N8NE5E5E3CalmE7E5NE5
1 day agoCalmNW4W4W3W8NW8NW4S4SE6CalmSW3CalmNE6NE5NE3NE4CalmE3NE6E6E6SE7CalmCalm
2 days agoCalmW3W6NW8W10W12W10--NW3E3E3E5E4E5E6NE5N5NE7NE73N5N5CalmE6

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Tue -- 12:02 AM PST     1.85 feet Low Tide
Tue -- 04:10 AM PST     Moonrise
Tue -- 06:20 AM PST     6.03 feet High Tide
Tue -- 06:52 AM PST     Sunrise
Tue -- 01:40 PM PST     -0.93 feet Low Tide
Tue -- 02:28 PM PST     Moonset
Tue -- 05:11 PM PST     Sunset
Tue -- 08:04 PM PST     3.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.92.12.73.64.65.565.95.242.61.1-0.1-0.8-0.9-0.40.51.72.73.43.73.53.12.5

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Tue -- 12:00 AM PST     2.06 feet Low Tide
Tue -- 04:12 AM PST     Moonrise
Tue -- 06:22 AM PST     5.95 feet High Tide
Tue -- 06:54 AM PST     Sunrise
Tue -- 01:44 PM PST     -0.78 feet Low Tide
Tue -- 02:29 PM PST     Moonset
Tue -- 05:11 PM PST     Sunset
Tue -- 08:16 PM PST     3.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.32.83.74.65.55.95.85.24.12.71.30.1-0.6-0.8-0.30.51.62.63.33.63.53.12.6

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 (11,2,3,4)
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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.