Thursday, November15, 2018 L-36.com


Marine Weather and Tides
San Diego, 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 6:19AMSunset 4:48PM Thursday November 15, 2018 7:32 PM PST (03:32 UTC) Moonrise 1:46PMMoonset 12:00AM Illumination 56% Phase: First Quarter Moon; Moon at 8 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- 128 Pm Pst Thu Nov 15 2018
Tonight..Wind nw to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft at 14 seconds and S 3 ft at 13 seconds.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 15 seconds and S 3 ft at 13 seconds.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 13 seconds and S 3 ft at 15 seconds.
Sat..Wind variable less than 10 kt...becoming W to 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 12 seconds and S 3 ft at 14 seconds.
Sat night..Wind N to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 12 seconds. SWell S 3 ft.
Sun..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 to 2 ft.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 3 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell nw 1 to 2 ft.
Tue..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell nw 1 to 2 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft.
PZZ700 128 Pm Pst Thu Nov 15 2018
Synopsis for the far southern california coast.. At 1 pm, a 1032 mb high was over western idaho and a 1020 mb low was 100 miles east of the gulf of california. NEutral flow will bring light and variable winds through Monday. A very weak and intermittent coastal eddy circulation is expected tonight into Saturday. Patchy dense fog is possible, but not probable, over the coastal waters Friday morning.


7 Day Forecast for Marine Location Near San Diego, CA
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location: 32.78, -117.23     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 152251
afdsgx
area forecast discussion
national weather service san diego ca
251 pm pst Thu nov 15 2018

Synopsis
The santa ana winds have weakened and will fade all together as
winds turn weakly onshore on Friday. Patchy night and morning low
clouds and fog may return near the coast with a greater return
expected for the weekend. A weakening low pressure system is
expected to move inland across southern california and northern
baja on Tuesday, bringing more cooling and a deeper marine layer.

Precipitation from this system is not expected at this time. An
upper trough pattern late next week favors an opportunity for
precipitation across the state, including southern california,
for the thanksgiving holiday weekend.

Discussion For extreme southwestern california including orange...

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

the santa ana winds have weakened and will fade away all together
by Friday. The offshore surface pressure gradient is lessening and
will eventually become weakly onshore on Friday. This will allow
for onshore wind flow to take over and erode away, slowly, the
very dry air in place at the surface as relatively higher humidity
moves in from the ocean. See fire discussion below for
humidity wind details. Definitely a huge improvement from recent
days, but low humidity remains inland.

The weather pattern will be tranquil Friday and through the
weekend. As the marine layer returns, fog is a potential we are
looking at closely. Fog prospects tonight through Friday morning
look low. There is a better chance of fog, potentially dense,
Friday night through Saturday morning near the coast.

Next week will see a pattern change. A cut off low will develop
over the pacific and head in our direction, but as it moves
towards us the low weakens and the bulk of the moisture moves over
mexico. Global models are keeping any light rain over the ocean or
to our south. So it is not looking like any rain with this system.

Operational global model runs keep wavering on placement of upper
trough pacific storms for the thanksgiving holiday weekend. The
gfs ensemble mean does show precip, albeit light, starting in
socal late thanksgiving day, and more so Friday or into next
weekend. The favored areas for appreciable precipitation lie north
of our area over central and northern california. CPC outlook
does show a greater probability for above normal precipitation for
the state, including southern california, for the thanksgiving
holiday weekend. Right now, light amounts are favored here in the
south with higher amounts towards norcal.

Aviation
152100z... Gradually increasing high clouds around 20000 feet msl
with unrestricted vis through Friday morning. Light and variable
winds through the period.

Marine
No hazardous marine weather through Monday. Patchy dense fog is
possible, but not probable, in the coastal waters Friday morning.

Fire weather
The santa ana winds have weakened and will fade as winds turn
weakly onshore on Friday. Onshore winds will strengthen slightly on
Saturday. Critical relative humidity will continue through this evening
away from the coast. While humidity will moderate on Friday, minimum
relative humidity values in the teens are still forecast for part of
the inland valleys and across the mountains and deserts.

Weak offshore flow may return for inland areas for late Saturday
night into Sunday morning and late Sunday night into Monday
morning with gusty east to northeast winds mostly 30 mph or less
near the coastal slopes of the mountains and below passes and
canyons. The humidity for those areas could fall to around 15
percent at times, mainly during the late morning into the
afternoon on Sunday and Monday.

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... Gregoria
aviation marine... Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 5 mi33 min 1016.3 hPa (+0.8)
LJPC1 - La Jolla, CA (073) 6 mi73 min S 1 2 ft
LJAC1 - 9410230 - La Jolla, CA 6 mi33 min Calm G 1 65°F1016.3 hPa (+0.4)
46254 6 mi33 min 65°F1 ft
46258 14 mi33 min 65°F3 ft
46225 - Torrey Pines Outer, CA (100) 14 mi33 min 65°F3 ft
46235 15 mi33 min 65°F2 ft
TIXC1 - Tijuana River Reserve, CA 15 mi63 min S 1 61°F 1017 hPa57°F
46232 - Point Loma South, CA (191) 20 mi33 min 65°F3 ft
46224 - Oceanside Offshore, CA (045) 30 mi33 min 66°F2 ft
46086 - San Clemente Basin 47 mi43 min WNW 7.8 G 7.8 65°F 66°F4 ft1016.6 hPa (+0.6)

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, San Diego International-Lindbergh Field, CA5 mi42 minS 510.00 miMostly Cloudy68°F48°F51%1017 hPa
San Diego, Montgomery Field, CA6 mi40 minN 010.00 miFair66°F21°F18%1016.5 hPa
San Diego, North Island, Naval Air Station, CA6 mi41 minN 010.00 miPartly Cloudy62°F44°F52%1016.3 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA8 mi98 minN 010.00 miPartly Cloudy69°F19°F15%1016 hPa
Gillespie Field Airport, CA14 mi3.8 hrsWNW 710.00 miClear75°F12°F9%1016.3 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA15 mi97 minSW 89.00 miMostly Cloudy62°F48°F62%1016.6 hPa
San Diego, Brown Field Municipal Airport, CA19 mi40 minN 010.00 miFair64°F37°F37%1016.5 hPa

Wind History from NZY (wind in knots)
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Last 24hrCalmCalmN6NW3N7CalmSE4CalmSE3CalmCalmCalmCalmCalm--3NW9NW9NW9NW9N7CalmCalmCalm
1 day agoCalmN3NW3N7N4N3CalmN6N4N3CalmN4N6W4NW4NW8NW9NW12W11NW9N12N10N4N3
2 days ago--------CalmNE3NE4SE3CalmN4CalmNE4N4N6N5--NW9W10W12W9NW6W4CalmSW3

Tide / Current Tables for Crown Point, Mission Bay, California
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Crown Point
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Thu -- 04:52 AM PST     3.91 feet High Tide
Thu -- 06:19 AM PST     Sunrise
Thu -- 06:54 AM PST     First Quarter
Thu -- 10:05 AM PST     3.15 feet Low Tide
Thu -- 12:46 PM PST     Moonrise
Thu -- 02:43 PM PST     3.94 feet High Tide
Thu -- 04:47 PM PST     Sunset
Thu -- 10:27 PM PST     0.84 feet Low Tide
Thu -- 11:49 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.433.53.83.93.83.63.43.23.23.23.43.73.93.93.83.42.92.31.61.10.90.9

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Thu -- 01:36 AM PST     0.86 knots Max Flood
Thu -- 04:56 AM PST     -0.00 knots Slack
Thu -- 06:18 AM PST     Sunrise
Thu -- 06:54 AM PST     First Quarter
Thu -- 07:18 AM PST     -0.44 knots Max Ebb
Thu -- 10:47 AM PST     0.00 knots Slack
Thu -- 12:45 PM PST     Moonrise
Thu -- 01:20 PM PST     0.29 knots Max Flood
Thu -- 03:12 PM PST     -0.00 knots Slack
Thu -- 04:47 PM PST     Sunset
Thu -- 07:04 PM PST     -1.13 knots Max Ebb
Thu -- 10:51 PM PST     0.00 knots Slack
Thu -- 11:49 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.80.80.70.3-0-0.3-0.4-0.4-0.3-0.100.20.30.30.1-0.3-0.7-1-1.1-1-0.8-0.40.1

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 (22,6,7,8)
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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.