Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Potrero, CA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 6:11AMSunset 7:29PM Saturday August 17, 2019 10:30 AM PDT (17:30 UTC) Moonrise 9:04PMMoonset 8:01AM 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- 142 Am Pdt Sat Aug 17 2019
Today..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 8 seconds and sw 1 to 2 ft at 14 seconds.
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 8 seconds and sw 1 to 2 ft at 14 seconds.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 8 seconds and sw 1 to 2 ft at 14 seconds.
Sun 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 at 7 seconds and sw 1 ft at 15 seconds.
Mon..Wind nw to 10 kt...becoming W in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 2 ft at 6 seconds and sw 1 ft at 15 seconds.
Mon night..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 1 ft.
Tue..Wind nw 10 to 15 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 2 to 3 ft and sw 1 ft.
Tue night..Wind nw 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 1 to 2 ft.
Wed..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and S 1 to 2 ft.
Wed night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 1 to 2 ft.
PZZ700 142 Am Pdt Sat Aug 17 2019
Synopsis for the far southern california coast.. High pressure will rebuild over the region for mid-week. Light onshore flow will prevail through Wednesday.


7 Day Forecast for Marine Location Near Potrero, CA
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location: 31.69, -116.65     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 171625
afdsgx
area forecast discussion
national weather service san diego ca
925 am pdt Sat aug 17 2019

Synopsis
Cooler weather this weekend will turn very hot inland next week
as high pressure builds over the southwest. At the same time,
coastal low clouds making an appearance in the valleys during
nights and mornings will retreat to the coast.

Discussion For extreme southwestern california including orange...

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

low pressure aloft finally made its presence felt at the surface
overnight as the marine layer deepened considerably. A marine
layer that was around 1200 feet deep Friday morning quickly
deepened to about 2200 feet this morning. That allowed low clouds
to move as far inland as san bernardino and hemet, and nearly
fill the entire coastal basin. Today will be mostly sunny as many
of those clouds have already cleared. A similar marine layer and
low cloud coverage is expected tonight into Sunday. The low
pressure aloft will lift out and high pressure from the east will
gradually press down over the southwest. That will bring us a
notable warming trend starting Monday that will peak in a heat
wave Wednesday and Thursday very similar to the one we had this
past week. High temperatures this weekend will come in below
average, but will climb above average inland by Tuesday and 5-10
degrees above average on Wednesday and Thursday, the projected
hottest days. The high pressure aloft weakens ever so slightly
Thursday into next weekend. Temps will begin a modest decrease,
although it will still be plenty hot inland. Monsoon moisture
begins to show itself toward next weekend, but nothing to really
forecast about yet.

Aviation
171530z... Coast valleys... At 15z, widespread low clouds with bases
around 1500 ft msl and tops to 2500 ft msl, extending up to 30 mi
inland affecting all TAF sites west of the mtns. Local vis 1-3 miles
where clouds and terrain intersect. Expect clearing at kont and ksbd
around 16z, and at coastal TAF sites between 17z and 18z. Low clouds
likely returning to coastal TAF sites between 03z and 06z with bkn-
ovc bases around 1500 ft msl and tops to 2500 ft msl, spreading up
to 30 miles inland overnight. CIGS and reduced vis could reach kont
and ksbd between 12z and 15z Sunday.

Mountains deserts... Sct clouds at or abv 20000 ft msl and
unrestricted vis through Sunday. W winds gusting 25-40 kt over mtn
crests and through passes, producing weak to mdt up downdrafts and
llws over and east of the mtns between 19z Sat and 12z sun. No
impacts expected at kpsp and ktrm.

Marine
No hazardous marine conditions are expected through Wednesday.

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

Sgx watches warnings advisories
Ca... Excessive heat watch from Tuesday morning through Thursday
evening for apple and lucerne valleys-coachella valley-san
diego county deserts-san gorgonio pass near banning.

Pz... None.

Public... Mm
aviation marine... Pg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TIXC1 - Tijuana River Reserve, CA 66 mi106 min W 2.9 65°F 1014 hPa59°F
SDBC1 - 9410170 - San Diego, CA 76 mi49 min 71°F1013.4 hPa

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, Brown Field Municipal Airport, CA64 mi38 minVar 37.00 miA Few Clouds70°F57°F64%1013.2 hPa

Link to 5 minute data for KSDM

Wind History from SDM (wind in knots)
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Last 24hrNW4W7W7W9NW76W9NW7W6W5W4CalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalm33
1 day agoW6NW5W7W7W9W8W7W8W7W5W4CalmW3CalmCalmCalmCalmCalm3W3W3Calm34
2 days ago5NW6NW66NW6W8W6W7W7W4W4W4W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm4

Tide / Current Tables for Ensenada, Baja California Norte, Mexico
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Ensenada
Click for Map
Sat -- 04:56 AM PDT     0.05 meters Low Tide
Sat -- 06:12 AM PDT     Sunrise
Sat -- 08:01 AM PDT     Moonset
Sat -- 11:12 AM PDT     1.29 meters High Tide
Sat -- 04:32 PM PDT     0.54 meters Low Tide
Sat -- 07:28 PM PDT     Sunset
Sat -- 09:03 PM PDT     Moonrise
Sat -- 10:38 PM PDT     1.60 meters High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.10.70.40.10.10.10.40.711.21.31.21.10.90.70.60.60.70.91.21.41.61.6

Tide / Current Tables for Ensenada, Baja California Norte, Mexico (2)
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Ensenada
Click for Map
Sat -- 04:58 AM PDT     -0.03 meters Low Tide
Sat -- 06:12 AM PDT     Sunrise
Sat -- 08:01 AM PDT     Moonset
Sat -- 11:16 AM PDT     1.21 meters High Tide
Sat -- 04:35 PM PDT     0.49 meters Low Tide
Sat -- 07:28 PM PDT     Sunset
Sat -- 09:03 PM PDT     Moonrise
Sat -- 10:38 PM PDT     1.53 meters High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.410.60.30.1-00.10.30.60.91.11.21.210.80.60.50.50.60.81.11.31.51.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (13,3,4,5)
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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.