Thursday, June20, 2019 L-36.com


Marine Weather and Tides
National City, CA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:39AMSunset 8:00PM Wednesday June 19, 2019 9:57 PM PDT (04:57 UTC) Moonrise 10:10PMMoonset 7:43AM Illumination 93% 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- 130 Pm Pdt Wed Jun 19 2019
Tonight..Wind W 10 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 sw 2 ft at 15 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 17 seconds.
Thu night..Wind sw 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 10 seconds and S 2 ft at 19 seconds. Patchy drizzle after midnight.
Fri..Wind sw 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and sw 2 to 3 ft at 18 seconds. Patchy drizzle in the morning.
Fri night..Wind sw 10 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 sw 2 to 3 ft at 17 seconds.
Sat..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 to 3 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Mon night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ700 130 Pm Pdt Wed Jun 19 2019
Synopsis for the far southern california coast.. At 1 pm, a 1016 mb high was over the channel islands and a 1008 mb low was near needles. Weak onshore flow will prevail through Sunday. A weak coastal eddy is expected Thursday night into Saturday.


7 Day Forecast for Marine Location Near National City, CA
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location: 32.67, -117.12     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 200432
afdsgx
area forecast discussion
national weather service san diego ca
932 pm pdt Wed jun 19 2019

Synopsis
An upper level trough will move south over the intermountain west
Thursday through Saturday. This will bring cooler weather, more
clouds, stronger west winds in the mountains and deserts, and
some drizzle or light showers in the coastal basin Thursday night
into Friday morning. Upper level high pressure will build in
briefly from the west early next week before another upper trough
digs into the u.S. West coast. So after brief warming early next
week, temperatures will likely cool again for the middle to latter
part of next week under a continued dry weather regime.

Discussion For extreme southwestern california including orange...

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

Update... .

Highs today across our service area ranged from 67 at del mar
beach and imperial beach to 106 at thermal, a typical large temp
gradient from the marine-influenced coastal locales to the lower
deserts. Clouds cleared most areas this afternoon, but a few
coastal locales of sd county held on to some cloudiness.

The low clouds have formed along most of the coast this evening with
bases of around 1500 ft ms. The clouds will continue to spread
inland overnight, reaching into western portions of the inland
empire and into the san diego county valleys perhaps as far east
as ramona. No significant updates were needed to the forecast this
evening.

Previous discussion (issued at 135 pm pdt Wed jun 19 2019)...

low clouds did a pretty good job of clearing today, even from the
coast. Good for june standards anyway. Temperatures were several
degrees higher at 1 pm today than on Tuesday at the same time.

High pressure overhead has brought us our warmest day of the week.

Some thin moisture has brought some cumulus clouds to the high
desert and mountains. A low pressure trough will push through the
west Thursday through Saturday. This will deepen our marine
layer, assisted by a coastal eddy, and extend the clouds fully
inland up the mountain slopes. The lifting and deepening of clouds
should produce areas of drizzle Thursday night and Friday
morning. Any accumulations will be very light; it's june.

Clearing on Friday will be slow, if clearing happens at all:
a damp and murky start to summer in the coastal basin (solstice
at 854 am pdt Friday). Strong winds will develop Thursday and
Friday afternoons and evenings in parts of the mountains and
deserts. Some areas will get gusts over 40 mph, with isolated
gusts topping 50 mph. High pressure rebounds with a touch of
offshore flow over the weekend and the marine layer will obey by
going more shallow. That will mean less extensive coastal clouds
during the nights and mornings and a warming trend Sunday and
beyond. Next week model guidance features a building trough along
the pacific northwest coast, but at the same time a building ridge
over texas and new mexico. Socal will be stuck in the middle of
this pressure sandwich under dry southwest flow aloft. Previous
model runs had shown the ridge to win out for a warming trend, but
latest model runs depict the trough holding its ground. All that
will mean is we'll get seasonal weather for the first week of
summer and temperatures at or slightly below average.

Aviation
200400z... Coast valleys... Bkn-ovc with bases 1500-2000 ft msl
along the coast will continue spreading into the inland valleys
overnight. Local vis 3-5 sm in br hz in the valleys between
10-16z. Clearing inland 16-18z and moderate confidence of clearing
18-20z along the coast. Coastal clearing will be short-lived as
the low clouds will make another comeback Thursday evening with
again bases of 1500-2000 ft msl. Drizzle will even be possible
overnight Thursday.

Mountains deserts... Clear skies with unrestricted vis through
Thursday. West winds with gusts of 25-30 kt will pick up over the
mountain crests, desert mountain slopes, and below passes 02-10z,
tapering off a bit during the morning early afternoon Thursday
before becoming stronger with gusts along the desert slopes to
40-45 kt Thursday afternoon and evening. Areas of moderate
updrafts and downdrafts over and east of the mountains are
possible.

Marine
No hazardous marine conditions are expected through Monday.

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

Sgx watches warnings advisories
Ca... Wind advisory from 11 am to 10 pm pdt Thursday for apple and
lucerne valleys-coachella valley-riverside county mountains-
san bernardino county mountains-san diego county deserts-
san diego county mountains-san gorgonio pass near banning.

Pz... None.

Public... Gregoria (update) prev discussion (mm)
aviation marine... Gregoria


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 4 mi63 min 68°F1014.7 hPa
46235 7 mi57 min 63°F2 ft
TIXC1 - Tijuana River Reserve, CA 7 mi72 min W 1.9 63°F 1016 hPa58°F
LJAC1 - 9410230 - La Jolla, CA 15 mi63 min W 1 G 2.9 64°F 57°F1014.5 hPa
LJPC1 - La Jolla, CA (073) 15 mi97 min W 2.9 G 6 1 ft
46254 16 mi59 min 67°F2 ft
46232 - Point Loma South, CA (191) 19 mi57 min 65°F3 ft
46258 21 mi57 min 66°F3 ft
46225 - Torrey Pines Outer, CA (100) 23 mi57 min 66°F2 ft
46224 - Oceanside Offshore, CA (045) 40 mi57 min 67°F3 ft
46242 - Camp Pendleton Nearshore, CA (043) 42 mi59 min 67°F2 ft

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, North Island, Naval Air Station, CA5 mi65 minW 510.00 miOvercast64°F55°F75%1014.8 hPa
San Diego, San Diego International-Lindbergh Field, CA5 mi66 minWNW 410.00 miOvercast64°F57°F78%1016.9 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA6 mi61 minWSW 510.00 miMostly Cloudy64°F55°F73%1015.2 hPa
San Diego, Brown Field Municipal Airport, CA10 mi64 minW 410.00 miMostly Cloudy61°F55°F81%1014.8 hPa
San Diego, Montgomery Field, CA11 mi64 minW 510.00 miOvercast63°F55°F78%1014.9 hPa
Gillespie Field Airport, CA14 mi2.2 hrsW 810.00 miClear68°F57°F69%1014.6 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA15 mi2 hrsW 510.00 miMostly Cloudy67°F57°F71%1014.2 hPa

Wind History from NZY (wind in knots)
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Last 24hrW4W3CalmCalmCalmCalmCalmCalm3N4CalmW3NW6W7W7W10W9SW9W8W6W7W6W6W5
1 day agoCalmSW4SW3SW5SW3W4SW4W4W5W5SW5SW5SW4SW6SW7SW7SW9SW9W9W9W9W6W6W5
2 days agoSW3S4SW5SW6SW5SW5SW3S3W6W6W5W6W6SW6SW8SW10SW9SW6SW6W5SW5W5W4W4

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Thu -- 05:40 AM PDT     Sunrise
Thu -- 06:38 AM PDT     -0.54 feet Low Tide
Thu -- 08:38 AM PDT     Moonset
Thu -- 01:18 PM PDT     4.03 feet High Tide
Thu -- 05:44 PM PDT     2.68 feet Low Tide
Thu -- 07:59 PM PDT     Sunset
Thu -- 10:51 PM PDT     Moonrise
Thu -- 11:45 PM PDT     5.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.15.44.22.71.30.2-0.4-0.5-00.9233.743.93.63.12.82.733.64.45.25.7

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Thu -- 03:10 AM PDT     -2.05 knots Max Ebb
Thu -- 05:41 AM PDT     Sunrise
Thu -- 07:01 AM PDT     0.00 knots Slack
Thu -- 08:38 AM PDT     Moonset
Thu -- 10:07 AM PDT     1.14 knots Max Flood
Thu -- 01:27 PM PDT     -0.00 knots Slack
Thu -- 03:35 PM PDT     -0.62 knots Max Ebb
Thu -- 05:49 PM PDT     0.00 knots Slack
Thu -- 07:59 PM PDT     Sunset
Thu -- 09:01 PM PDT     0.93 knots Max Flood
Thu -- 10:52 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-1.2-1.8-2-1.9-1.4-0.7-00.611.110.70.2-0.3-0.6-0.6-0.30.10.50.80.90.80.5

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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Wind Forecast for San Diego, CA (0,6,7,8)
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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 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.