Friday, March22, 2019 L-36.com


Marine Weather and Tides
Palm Desert, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:45AMSunset 6:59PM Friday March 22, 2019 5:13 PM PDT (00:13 UTC) Moonrise 9:07PMMoonset 8:07AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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- 1258 Pm Pdt Fri Mar 22 2019
Tonight..Wind nw 10 to 15 kt. Wind waves 3 ft. SWell W 3 to 5 ft at 14 seconds.
Sat..Wind nw 10 kt with gusts to 15 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Sat night..Wind sw to 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 3 to 6 ft at 16 seconds.
Sun..Wind variable less than 10 kt...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 6 ft at 15 seconds.
Sun night..Wind nw 10 kt with gusts to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 6 ft at 14 seconds.
Mon..Wind nw 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. SWell W 3 to 5 ft.
Mon night..Wind nw 10 to 15 kt. Wind waves 4 ft. SWell W 3 to 4 ft.
Tue..Wind nw 10 to 15 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. SWell W 3 to 5 ft.
Tue night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 3 to 5 ft.
Wed..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. SWell W 2 to 4 ft. Slight chance of showers.
Wed night..Wind nw 10 to 15 kt. Wind waves 4 ft. SWell W 1 to 3 ft. Slight chance of showers.
PZZ700 1258 Pm Pdt Fri Mar 22 2019
Synopsis for the far southern california coast.. At 1 pm, a 1024 mb high was over the sacramento valley and a 1017 mb low was 150 nm south of tucson, arizona. Weak to moderate onshore flow will prevail through next Tuesday. A west- northwest swell could bring combined seas up to 9 feet in the outer coastal waters Sunday.


7 Day Forecast for Marine Location Near Palm Desert, CA
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location: 33.74, -116.36     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 222016
afdsgx
area forecast discussion
national weather service san diego ca
115 pm pdt Fri mar 22 2019

Synopsis
A deep marine layer and onshore flow will return low clouds along
and west of the mountains tonight. A weak trough will move across
the state on Saturday, enhancing the onshore flow, and maintaining
below average temperatures. There is a small chance for a few light
showers late Saturday or Sunday. A large west swell will generate
high surf this weekend as well. Dry and warmer early next week. A
larger storm system will impact northern and central california mid
next week, and may skim socal with periods of light rain then, with
a return of breezy and cooler weather.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

skies were fair across the forecast area midday, except along some
of the coastal foothills of the mountains in san bernardino and
riverside counties where low clouds were holding fast. Surface
pressure gradients were weak and wind reports mostly light. A precip
summary has been posted on our website for the entire event over the
past couple of days and worth looking at the variability overall.

A weak ridge drifting over socal today will be east of the area on
Saturday as a weak trough moves east off the pacific. The incoming
trough will help to enhance onshore flow and build up the marine
layer a bit, possibly sparking more light, scattered showers along
and west of the mts by late Saturday. Sunday will be a bit warmer
with near average temps as the marine layer thins and the strong
march Sun warms the sfc under a weak transient ridge aloft.

An active storm track persists across the eastpac, thanks to
persistent ridging over alaska. Another deep, cold low will develop
in this flow off the pacnw coast early next week and drive more rain
and snow across northern and central ca. Some of this energy could
brush southern parts of the state late Wed Thu when low pops are in
the forecast west of the mts, but it doesn't look too promising at
this point.

Operational model run discrepancies between the GFS and ECMWF become
quite large toward the end of the forecast period so not much
confidence in the weather for next weekend. It does put us at the
end of march though, so if we have to choose between lamb and lion,
it would be the lamb at this point.

Aviation
222000z... Coasts valleys... Sct to locally bkn clouds with bases 2500-
4000 ft msl continuing through the afternoon. Bkn-ovc stratus will
develop after 23 03z and spread inland with bases 1500-2500 ft msl
and tops to 3500 ft msl. Clouds becoming sct with bases mostly above
3000 ft msl late Saturday morning.

Mountains deserts... . Few-sct clouds AOA 20000 ft msl and
unrestricted vis through Saturday afternoon.

Marine
A large west-northwest swell with a 15-17 second period could bring
combined seas to 9 feet in the outer waters on Sunday. Otherwise, no
hazardous marine weather is expected through Tuesday.

Beaches
A west-northwest swell of 7-9 feet from 290 degrees with a 15-17
second period will likely generate high surf late Saturday night and
Sunday, mainly in san diego county. A high surf advisory has been
issued for orange and san diego counties from 2 pm Saturday through
9 pm Sunday.

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

Sgx watches warnings advisories
Ca... High surf advisory from 2 pm Saturday to 9 pm pdt Sunday for
orange county coastal areas-san diego county coastal areas.

Pz... None.

Public... 10
aviation marine beaches... Ss


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 68 mi46 min 61°F3 ft
46224 - Oceanside Offshore, CA (045) 71 mi44 min 60°F3 ft

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palm Springs Regional Airport, CA10 mi81 minN 710.00 miFair75°F39°F28%1017.8 hPa
Palm Springs, Jacqueline Cochran Regional Airport, CA12 mi82 minSSW 410.00 miFair79°F32°F18%1016.4 hPa

Wind History from PSP (wind in knots)
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Last 24hrNW6N5SW53SE3CalmN3W4CalmCalmNW3SW4SW4SW4CalmCalmCalmCalmN7
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1 day agoNW12
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SE4S34SW6CalmCalmCalmN5NW6S5CalmCalmCalm6N5NW17
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2 days agoSE9NW12NW14NW12SW3NW11
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W8N1263N18
G30
NW21Calm

Tide / Current Tables for San Clemente, California
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San Clemente
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Fri -- 04:50 AM PDT     -0.44 feet Low Tide
Fri -- 06:51 AM PDT     Sunrise
Fri -- 08:12 AM PDT     Moonset
Fri -- 10:54 AM PDT     5.27 feet High Tide
Fri -- 05:02 PM PDT     -0.20 feet Low Tide
Fri -- 07:03 PM PDT     Sunset
Fri -- 09:11 PM PDT     Moonrise
Fri -- 11:12 PM PDT     5.57 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.93.62.10.8-0.2-0.40.11.22.6455.34.93.82.51.20.2-0.20.11.12.53.955.6

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 and Satellite Images
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wmap_P
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (20,4,5,8)
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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 numerious 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.