Thursday, January18, 2018 L-36.com


Marine Weather and Tides
Encinitas, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:50AMSunset 5:09PM Wednesday January 17, 2018 9:48 PM PST (05:48 UTC) Moonrise 8:14AMMoonset 6:56PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 127 Pm Pst Wed Jan 17 2018
.gale watch in effect from Friday afternoon through Saturday evening...
Tonight..Wind nw to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 4 to 6 ft at 14 seconds. Patchy dense fog with vsby 1 nm or less.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft at 14 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Thu night..Wind W to 10 kt. Wind , then waves 2 ft or less. SWell W 4 to 7 ft at 18 seconds.
Fri..Wind W 10 to 15 kt...becoming 15 to 25 kt in the afternoon. Wind waves 2 ft or less...becoming 3 to 4 ft in the afternoon. SWell W 5 to 8 ft at 16 seconds. Slight chance of showers.
Fri night..Wind nw 20 to 30 kt with gusts to 35 kt. Wind waves 6 ft. SWell W 8 to 10 ft at 15 seconds. Slight chance of showers in the evening.
Sat..Wind nw 15 to 25 kt...becoming 10 to 15 kt in the afternoon. Wind waves 3 to 5 ft in the morning...becoming 2 ft or less. SWell W 6 to 9 ft.
Sat night..Wind nw 10 to 20 kt...becoming E 10 kt after midnight. Wind waves 3 to 4 ft in the evening... Becoming 2 ft or less. SWell W 6 to 8 ft.
Sun..Wind se 10 kt with gusts to 15 kt in the morning... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 4 to 7 ft.
Sun night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Mon..Wind N to 10 kt...becoming nw 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Mon night..Wind nw 10 to 15 kt with gusts to 20 kt. Wind waves 3 to 4 ft in the evening...becoming 2 ft or less. SWell W 2 ft.
PZZ700 127 Pm Pst Wed Jan 17 2018
Synopsis for the far southern california coast.. At 1 pm, a 1029 mb high was over west-central nevada and a 1019 mb low was over tijuana mexico. Onshore flow will increase Thursday and Friday as a storm-system moves into the coastal waters. This system will bring possible gales and hazardous seas late Friday and Saturday. Winds will transition to onshore by late Sunday with northwest winds possibly strengthening again on Monday.

7 Day Forecast for Marine Location Near Encinitas, CA
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location: 33.03, -117.51     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 180531
afdsgx
area forecast discussion
national weather service san diego ca
931 pm pst Wed jan 17 2018

Synopsis
One more day of above average temperatures is in the forecast for
Thursday. A weak storm system will push a cold front through
southern california on Friday, bringing cooler temperatures. Light
showers will also be possible Friday into early Saturday. Drier
weather will prevail Saturday afternoon into early next week, as
afternoon high temperatures slowly return to near average values.

Discussion For extreme southwestern california including orange...

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

at 9 pm... Ridging remained in control over california with a
trough of low pressure beginning to dig south into the pacific
northwest. In socal cirrus clouds above 20,000 ft msl were on the
increase ahead of the troughs approach. At the surface winds were
light with weak offshore surface pressure gradients. The bight
and coastal areas had very limited low cloud cover.

Not much in the way of notable weather for tonight and Thursday. A
few areas of patchy low clouds or fog may form near the coast
after midnight, but little to no impact is expected for the
morning commute. We will see one more warm day on Thursday, with
afternoon high temperatures running 5-12 degrees above seasonal
averages.

Prev discussion
An upper-level trough will swing across the region from the
aforementioned low Friday through early Saturday. Not much
moisture or instability is available with the trough, however
light showers (mostly over and west of the mountains) are
expected as the system moves through. Around 0.05-0.25 inches of
precipitation is expected, with highest amount over and near the
mountains. Isolated locations in the san diego county mountains
could receive near 0.50 inches. High-res models show showers
developing first over northern areas mid-Friday morning, and into
southern areas by late morning. Drizzle may develop earlier before
showers move through. The morning commute in san diego and
riverside counties should not be greatly affected at this time.

The front should exit the region by late Friday afternoon, then
post-frontal showers are possible over portions of san diego
county Friday night through early Saturday morning. Snow levels
start around 7500 ft, then crash to around 4000 ft by Friday
night. Most precipitation should end before snow levels drop,
therefore snowfall amounts are expected to be fairly light, from a
trace to 0.5 inches 4500-6500 ft, and 1-2 inches above 6500 ft.

Westerly wind gusts of 35-45 mph will develop across the mountains
and deserts Friday, with isolated gusts to 60 mph along desert
mountain slopes. Highs will lower 5-10 degrees below normal
Friday.

Northwest flow aloft will help keep highs below normal through
Monday, then weak ridging will increase high temperatures to
around 5 degrees above normal by next Wednesday. Next week looks
dry at this time.

Aviation
180400z... Coast... Patchy dense fog and low clouds are expected
within 3 miles of the coast tonight, with bases 300-500 ft msl and
tops to 800 ft msl. Local vis AOB 1 2 mile is possible at times.

Ksan, kcrq or ksna could be impacted by low CIGS vis at times
between 06z and 15z, but the timing is uncertain.

Valleys mountains deserts... Sct clouds AOA 20000 ft msl with
unrestricted vis through Thursday morning.

Marine
A shallow marine layer will persist through tonight, likely
resulting in patchy dense fog at times. Visibility over portions of
the coastal waters could drop to 1 nm or less.

A storm system moving through california will bring combined seas of
10 ft or more and periods of gale-force winds late Friday through
Saturday. A gale watch has been issued for that time period.

Beaches
The dominant west-northwest swell from 280 degrees at around 6-8
feet 13-14 seconds will gradually lower through Thursday, with surf
heights likely falling below 7 feet Thursday morning. However,
another large west-northwest swell from 280 degrees moves in
Thursday night, peaking at 11 feet 18 seconds Friday, and then
gradually lowering late Saturday into Sunday. This will bring
another round of high surf, with average surf heights of 5-9 feet
and sets 10-12 feet. Strong rip currents will be a hazard throughout
the period. A high surf advisory remains in effect until 8 pm
Saturday.

Skywarn
Skywarn activation will not be needed through early next week.

Sgx watches warnings advisories
Ca... High surf advisory until 8 pm pst Saturday for orange county
coastal areas-san diego county coastal areas.

Pz... Gale watch from Friday afternoon through Saturday evening for
coastal waters from san mateo point to the mexican border
and out to 30 nm-waters from san mateo point to the mexican
border extending 30 to 60 nm out including san clemente
island.

Public... Albright jjt
aviation marine beaches... Pg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46225 - Torrey Pines Outer, CA (100) 9 mi57 min 62°F6 ft
46224 - Oceanside Offshore, CA (045) 10 mi48 min 62°F5 ft
46242 - Camp Pendleton Nearshore, CA (043) 14 mi50 min 61°F4 ft
LJPC1 - La Jolla, CA (073) 18 mi88 min Calm 4 ft
LJAC1 - 9410230 - La Jolla, CA 18 mi48 min E 1 G 1.9 59°F 1019.1 hPa (+0.0)
46258 19 mi48 min 62°F6 ft
SDBC1 - 9410170 - San Diego, CA 28 mi48 min 64°F1019.9 hPa (-0.3)
46232 - Point Loma South, CA (191) 35 mi48 min 62°F8 ft
TIXC1 - Tijuana River Reserve, CA 37 mi63 min Calm 58°F 1020 hPa55°F
46086 - San Clemente Basin 46 mi58 min W 1.9 G 3.9 62°F 62°F9 ft1019.4 hPa (+0.0)

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Carlsbad, McClellan-Palomar Airport, CA14 mi55 minN 04.00 miFog/Mist58°F55°F90%1019 hPa
Oceanside, Oceanside Municipal Airport, CA16 mi56 minN 03.00 miFog/Mist52°F50°F93%1019.2 hPa
Mcolf Camp Pendleton (Red Beach), CA17 mi1.9 hrsN 05.00 miFog/Mist57°F55°F93%1028 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi53 minN 06.00 miMostly Cloudy51°F50°F96%1019.3 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA22 mi53 minN 010.00 miFair56°F50°F81%1019 hPa
San Diego, Montgomery Field, CA24 mi55 minN 06.00 miFair with Haze63°F53°F70%1019.1 hPa

Wind History from CRQ (wind in knots)
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Last 24hrCalmE3NE3CalmE4CalmCalmCalmCalmCalmCalmCalmCalmCalmSW5W5W54SW3W3CalmCalmCalmCalm
1 day agoCalmCalmN3CalmCalmE5CalmCalmCalmE3CalmE4SW3W65W63W4W4W6CalmCalmCalmCalm
2 days agoCalmSE3CalmCalmE4E4E3CalmE4CalmE3CalmSW4W5SW53W6W5W4CalmCalmSE5CalmCalm

Tide / Current Tables for La Jolla (Scripps Institution Wharf), California
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La Jolla (Scripps Institution Wharf)
Click for Map
Thu -- 03:00 AM PST     1.98 feet Low Tide
Thu -- 06:50 AM PST     Sunrise
Thu -- 07:53 AM PST     Moonrise
Thu -- 09:08 AM PST     5.66 feet High Tide
Thu -- 04:16 PM PST     -0.53 feet Low Tide
Thu -- 05:08 PM PST     Sunset
Thu -- 06:49 PM PST     Moonset
Thu -- 10:46 PM PST     3.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.22.72.222.22.83.74.65.35.75.54.73.62.20.9-0.1-0.5-0.40.21.22.23.13.73.8

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Thu -- 03:00 AM PST     2.00 feet Low Tide
Thu -- 06:50 AM PST     Sunrise
Thu -- 07:53 AM PST     Moonrise
Thu -- 09:09 AM PST     5.69 feet High Tide
Thu -- 04:17 PM PST     -0.52 feet Low Tide
Thu -- 05:08 PM PST     Sunset
Thu -- 06:49 PM PST     Moonset
Thu -- 10:46 PM PST     3.80 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.22.72.222.22.83.74.65.35.75.54.73.62.20.9-0-0.5-0.40.31.22.33.13.73.8

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of Southwest    EDIT
Geos

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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weather_mapweather_map weather_map

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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.