Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
San Clemente, CA

Version 3.4
What's New / NOTES
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.
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.

Sunrise 6:05AMSunset 7:30PM Wednesday April 25, 2018 6:58 PM PDT (01:58 UTC) Moonrise 3:21PMMoonset 3:47AM Illumination 82% Phase: Waxing Gibbous; Moon at 11 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 Pdt Wed Apr 25 2018
Tonight..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 14 seconds and S 2 ft at 16 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 14 seconds and S 2 to 3 ft at 17 seconds.
Thu night..Wind nw to 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 13 seconds and S 2 to 3 ft at 17 seconds.
Fri..Wind W to 10 kt...becoming 10 to 15 kt in the afternoon. Gusts to 20 kt. Wind waves 2 ft or less... Becoming 3 ft in the afternoon. Mixed swell W 3 to 4 ft at 11 seconds and S 2 to 3 ft at 16 seconds.
Fri night..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 4 to 5 ft at 11 seconds and S 2 to 3 ft at 15 seconds.
Sat..Wind sw 10 kt...becoming W 15 to 20 kt in the afternoon. Wind waves 2 ft or less...becoming 3 to 5 ft in the afternoon. Mixed swell W 5 to 6 ft and S 2 ft.
Sat night..Wind W 10 to 15 kt with gusts to 20 kt...becoming sw after midnight. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 4 to 5 ft and S 2 ft.
Sun..Wind S 10 kt...becoming W with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 4 to 5 ft and S 2 ft.
Sun night..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 5 to 6 ft and S 2 ft.
Mon..Wind sw 10 to 15 kt with gusts to 20 kt. Wind waves 2 ft or less...becoming 3 to 4 ft in the afternoon. SWell W 5 to 6 ft. SWell S 2 ft.
Mon night..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 5 ft.
PZZ700 128 Pm Pdt Wed Apr 25 2018
Synopsis for the far southern california coast.. At 1 pm, a 1020 mb high was near point conception with a 1010 mb low over eastern arizona. Light northwest winds through Thursday, will give way to moderate onshore flow Friday afternoon and this weekend. Wind gusts around 20 knots are expected especially in the afternoons Friday through Monday. A short period wind swell, 5 to 8 feet at 7 to 9 seconds will also produce choppier seas compared to recent days.

7 Day Forecast for Marine Location Near San Clemente city, CA
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location: 33.42, -117.62     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 252044
afdsgx
area forecast discussion
national weather service san diego ca
145 pm pdt Wed apr 25 2018

Synopsis
High pressure aloft will bring one more warm day Thursday before
temperatures trend downward over the weekend. A deep trough of low
pressure over the pacific will move inland across california through
Saturday and Sunday bringing cooler weather, a deeper marine layer,
and gusty west winds in the mountains and deserts.

Discussion For extreme southwestern california including orange...

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

1 pm temperatures today were the same or 1-2 degrees lower than
yesterday in most areas west of the mountains. In contrast, the
lower deserts were hotter, with temperatures 3 to 5 degrees higher
than yesterday. Psp was 100 degrees at 1 pm, which was 5 degrees
higher that 24 hours ago.

Thursday will be similar to today with marine layer clouds in the
coastal zones and western valleys retreating back to the coast
through midday. Temperatures will be a degree or two lower west of
the mountains, but the triple digit heat will linger one more day in
the lower deserts. Records are out of reach though... The record high
at psp Thursday is 109.

Friday through Sunday: a transition to stronger onshore flow and
cooler weather will take place as shortwaves circulating around a
deep closed low off the norcal coast deepen the trough along the
west coast. Most of the shortwave energy will pass by to the north,
as will the rain, but the trough will bring gusty west winds, cooler
weather and a deeper marine layer Friday through Sunday. It will
turn quite windy each afternoon and evening in the mountains and
deserts, especially in the east-west passes including the i-10 and i-
8 corridors. A low end wind advisory may be needed in these areas.

Low clouds will reach the inland valleys, but most areas should see
clearing during the day due to the weak inversion from the infusion
of cooler air aloft. Temperatures will be lower this weekend with
most areas at or slightly below average.

*from previous discussion*
long range outlook for next week: the model spread is quite large
next week which makes it difficult to pinpoint which days will have
the best chance for showers. The GFS advertises a deep cold upper
low stalling over the southwest Monday-Wednesday, while the ecmwf
delays this upper low until Wednesday and Thursday. This uncertainty
is too large to introduce rain chances at this time.

Aviation
252000z... Coast valleys... Predominantly skc apart from sct low
clouds over the coastal waters through 02z. After 02z Thursday, low
clouds will creep back inland, reaching 20-25 mile inland by 12z
Thursday. Bases should be near 1000 ft msl, with local visibility of
1 4 mile or less where low clouds and terrain intersect. Visibility
at ksan, kcrq, ksna, and kont should remain 5 sm or better. Low
clouds should clear to the coast between 15z and 18z Thursday.

Mountains deserts... Skc, unrestricted visibility and light winds
through Thursday afternoon.

Marine
No hazardous marine conditions through thrusday. Stronger onshore
flow will bring breezier northwest winds to the coastal waters
Friday through early next week. Look for gusts near 20 kt during the
afternoons for areas outside of 20 nm, strongest winds near and
south of san clemente island. Choppier seas should accompany the
winds, with a 5-8 ft (7-9 sec) wind swell affecting the same areas
Saturday into early next week.

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... Moede
aviation marine... Albright


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 17 mi60 min 62°F2 ft
46224 - Oceanside Offshore, CA (045) 18 mi28 min 62°F2 ft
46253 32 mi28 min 61°F3 ft
46256 36 mi28 min 57°F3 ft
46225 - Torrey Pines Outer, CA (100) 36 mi37 min 62°F3 ft
PRJC1 37 mi40 min WSW 15 G 16
PFXC1 39 mi40 min SW 6 G 7 66°F
46222 - San Pedro, CA (092) 39 mi28 min 58°F3 ft
OHBC1 - 9410660 - Los Angeles, CA 40 mi40 min 58°F1016.1 hPa
PSXC1 40 mi40 min NNW 5.1 G 7
46254 42 mi58 min 64°F2 ft
LJAC1 - 9410230 - La Jolla, CA 43 mi46 min NW 5.1 G 6 60°F 1016.6 hPa
LJPC1 - La Jolla, CA (073) 43 mi38 min NW 5.1 2 ft
46258 47 mi28 min 63°F3 ft

Wind History for Los Angeles Pier J, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mcolf Camp Pendleton (Red Beach), CA13 mi2 hrsW 910.00 miFair63°F54°F73%1025.2 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA17 mi63 minSSW 87.00 miPartly Cloudy63°F53°F70%1016.1 hPa
Oceanside, Oceanside Municipal Airport, CA20 mi66 minWSW 99.00 miFair63°F53°F70%1016.3 hPa
John Wayne-Orange County Airport, CA22 mi65 minSSW 810.00 miMostly Cloudy65°F51°F61%1016.2 hPa

Wind History from NFG (wind in knots)
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Last 24hrS6SW3W3Calm--W4NE5CalmNE4N5NE33N4CalmW3SW4S8SW75S10SW9SW8SW9SW8
1 day agoSW5CalmCalmCalmCalmCalmNE3NE5CalmCalmCalmCalmNE5NE4CalmSW3Calm6S8SW9
G17
S8SW10SW6S8
2 days agoSW5CalmCalmCalmCalmNE3CalmNE4NE6NE5NE6NE5NE5NE5SE334S6SW8S10SW7W15SW12
G18
SW10

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Wed -- 12:47 AM PDT     1.27 feet Low Tide
Wed -- 03:47 AM PDT     Moonset
Wed -- 06:08 AM PDT     Sunrise
Wed -- 06:33 AM PDT     4.70 feet High Tide
Wed -- 01:09 PM PDT     -0.45 feet Low Tide
Wed -- 03:20 PM PDT     Moonrise
Wed -- 07:28 PM PDT     Sunset
Wed -- 07:35 PM PDT     4.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.31.62.33.24.14.64.64.13.220.8-0.1-0.4-0.20.61.83.14.24.84.94.43.42.3

Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Wed -- 12:53 AM PDT     1.43 feet Low Tide
Wed -- 03:48 AM PDT     Moonset
Wed -- 06:09 AM PDT     Sunrise
Wed -- 06:31 AM PDT     4.55 feet High Tide
Wed -- 01:13 PM PDT     -0.28 feet Low Tide
Wed -- 03:21 PM PDT     Moonrise
Wed -- 07:30 PM PDT     Sunset
Wed -- 07:35 PM PDT     4.77 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.61.41.72.43.244.54.543.22.110.1-0.3-0.10.61.7344.74.74.33.42.4

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 (21,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, 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.