Thursday, July19, 2018 L-36.com


Marine Weather and Tides
Rainbow, CA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:50AMSunset 7:58PM Wednesday July 18, 2018 11:03 PM PDT (06:03 UTC) Moonrise 12:01PMMoonset 12:00AM Illumination 37% Phase: Waxing Crescent; Moon at 6 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- 148 Pm Pdt Wed Jul 18 2018
Tonight..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 1 to 2 ft at 13 seconds. Slight chance of tstms in the evening.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and sw 1 to 2 ft at 15 seconds.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and sw 1 to 2 ft at 16 seconds.
Fri..Wind W to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and sw 1 to 2 ft at 16 seconds.
Fri night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and sw 1 to 2 ft at 16 seconds.
Sat..Wind W 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 2 ft.
Sat night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 3 ft and sw 2 ft.
Sun..Wind W 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 2 to 3 ft.
Sun night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 to 3 ft.
Mon..Wind W 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 to 3 ft.
Mon night..Wind sw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 to 3 ft.
PZZ700 148 Pm Pdt Wed Jul 18 2018
Synopsis for the far southern california coast.. At 2 pm, a 1034 mb surface high was located 800 nm west of portland, oregon. A 1012 mb thermal low was just south of las vegas. Weak to moderate onshore flow will prevail through this weekend.

7 Day Forecast for Marine Location Near Rainbow, CA
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location: 33.42, -117     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 190415
afdsgx
area forecast discussion
national weather service san diego ca
915 pm pdt Wed jul 18 2018

Synopsis
Monsoonal moisture will decrease through Friday and the wind flow
will turn southerly and gradually decrease. Upper level high
pressure will start to build over southern california this weekend
and become strong and dominate over the desert southwest next
week. A significant heat wave is likely to strike next week with
excessive heat but moderation on the coast.

Discussion For extreme southwestern california including orange...

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

skies are clearing out from the debris and diurnal weak convection
today. The flow aloft was even stronger today with 25 knots at
500 mb and despite very moist conditions of 1.6 to 1.9 inch
precipitable water, the flow limited low level convergence over
the mountains and only isolated thunderstorms developed today. The
best cell was again southwest of idyllwild but short lived and
had a couple dozen cloud to ground strikes. The nocturnal
thunderstorms in southeast california deserts early this morning
brought 1480 cloud to ground strikes and 7500 total flashes in
socal, mostly east of palm springs but isolated to northern
orange county. There are low clouds reforming across orange county
and northwest san diego county at this time and will expand with
radiational cooling and spread inland similar to yesterday.

Moisture levels in the atmosphere start to decrease on Thursday
and the mean flow turns southeasterly but still moderately strong
so this will again limited deep convection formation. This
enhanced flow is from the inverted upper trough passing across the
baja and offshore. The steering flow does weaken Thursday
afternoon.

Weakening wind flow aloft and building upper heights for Friday
and into the weekend. The air mass warms to 25-28c at 850 mb
by Sunday. A large intense upper level high is still forecast and
quite similar on GFS and ECMWF runs to build across the desert
southwest Monday through Wednesday and hold until at least Friday
of next week. This brings 850 mb temperatures as warm as 29 to 32c
over southwest california. The main difference in this event is
there is stronger onshore flow and some monsoonal moisture, but
looks to be an intense long duration heat wave for the mountains
and deserts and moderate for the coastal and inland valleys. The
immediate coast will be spared mostly but still above normal and
muggy with warm sea surface temperatures. This event will require
an excessive heat watch.

Aviation...

190400z... Coast valleys... Areas of bkn-ovc stratus will gradually
spread overnight, mostly within 25 miles of the coast. Bases will be
1200-1700 ft msl with tops to 2000 ft msl. Local vis will be 3-5
miles in the valleys 10z-15z thu. Most areas will clear 15z-17z thu
except for local bkn stratus along the coast Thu afternoon.

Otherwise, variable clouds at above 15000 ft msl will prevail
through Thu evening with mostly unrestricted vis. Stratus will
likely develop in coastal areas again Thu evening.

Mountains deserts... Variable clouds at above 15000 ft msl with
unrestricted vis will continue through Thu evening except for a
slight chance of thunderstorms Thu with bases 8000-9000 ft msl and
tops to 35000 ft msl, strong up downdrafts, llws and local surface
wind gusts to 35 knots.

Marine
No hazardous marine weather is expected through Monday.

Beaches Water temperatures continue lower to mid 70s, and
large warm anomaly offshore to the southwest.

Fire weather Drier trend and strong warming next week results
in increased fire danger, especially for foothills, mountains and
desert slopes. Isolated thunderstorms have left lightning strikes
in the mountains, mostly just southwest of idyllwild past 2 days
and then much more in the southeast deserts.

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 fire weather... Tardy
aviation marine... Maxwell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 27 mi35 min 75°F2 ft
46224 - Oceanside Offshore, CA (045) 30 mi33 min 75°F2 ft
46225 - Torrey Pines Outer, CA (100) 40 mi72 min 73°F2 ft
LJPC1 - La Jolla, CA (073) 41 mi43 min SW 2.9 1 ft
46254 41 mi63 min 72°F1 ft
LJAC1 - 9410230 - La Jolla, CA 41 mi39 min WSW 4.1 G 5.1 68°F 1015.7 hPa

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi68 minN 07.00 miMostly Cloudy70°F64°F84%1015.3 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi71 minS 39.00 miPartly Cloudy70°F63°F79%1015.3 hPa
Carlsbad, McClellan-Palomar Airport, CA24 mi70 minN 010.00 miFair66°F64°F93%1015.4 hPa

Wind History from NFG (wind in knots)
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Last 24hrCalmCalmCalm--CalmNE4NE3CalmCalmS5Calm45SW10SW13SW7SW10S11SW10
G16
SW9SW6SW3CalmCalm
1 day agoCalm3CalmCalmCalmCalmCalmCalmNE3CalmCalmSW6SW6SW8SW7W10SW10SW8
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2 days agoS3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm36SW7SW8
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SW7SW11SW8SW9SW7SW6SW533

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Thu -- 12:15 AM PDT     Moonset
Thu -- 02:51 AM PDT     3.95 feet High Tide
Thu -- 05:54 AM PDT     Sunrise
Thu -- 09:12 AM PDT     0.91 feet Low Tide
Thu -- 12:53 PM PDT     First Quarter
Thu -- 01:04 PM PDT     Moonrise
Thu -- 04:01 PM PDT     4.98 feet High Tide
Thu -- 07:58 PM PDT     Sunset
Thu -- 10:47 PM PDT     1.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.83.43.83.93.73.22.51.81.20.911.62.43.34.24.854.84.23.52.721.61.5

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Thu -- 12:14 AM PDT     Moonset
Thu -- 02:50 AM PDT     3.92 feet High Tide
Thu -- 05:54 AM PDT     Sunrise
Thu -- 09:10 AM PDT     1.04 feet Low Tide
Thu -- 12:53 PM PDT     First Quarter
Thu -- 01:02 PM PDT     Moonrise
Thu -- 04:07 PM PDT     4.96 feet High Tide
Thu -- 07:56 PM PDT     Sunset
Thu -- 10:51 PM PDT     1.61 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.93.43.83.93.73.22.51.81.311.21.72.43.34.14.754.84.33.62.82.21.71.6

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 (2,6,7,8)
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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.