Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
Laguna Beach, 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 6:49AMSunset 4:47PM Tuesday December 18, 2018 7:41 AM PST (15:41 UTC) Moonrise 3:03PMMoonset 3:21AM Illumination 84% 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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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 210 Am Pst Tue Dec 18 2018
.small craft advisory for hazardous seas in effect until noon pst today...
Today..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 6 to 8 ft at 17 seconds, subsiding to 5 to 6 ft at 16 seconds in the afternoon.
Tonight..NW winds 5 to 10 kt, becoming N after midnight. Wind waves 2 ft or less. W swell 4 to 6 ft at 15 seconds.
Wed..NE winds 5 to 10 kt in the morning, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft at 14 seconds.
Wed night..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft at 18 seconds.
Thu..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 4 to 6 ft at 17 seconds.
Thu night..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft.
Fri..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Sat..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
PZZ600 210 Am Pst Tue Dec 18 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 09z...or 1 am pst, a 962 mb low was located 600 nm nw of seattle with a cold front extending south well off the northern ca coast. A 1032 mb high was over colorado, and a 1027 mb high was 450 nm sw of point conception. A very large northwest to westerly swell will affect the coastal waters through Wed, with potentially dangerous conditions for W to nw facing harbor entrances through early Tuesday.


7 Day Forecast for Marine Location Near Laguna Beach, CA
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location: 33.54, -117.79     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 181143
afdsgx
area forecast discussion
national weather service san diego ca
343 am pst Tue dec 18 2018

Synopsis
The storm system that moved across california on Monday will exit
into new mexico today, although a few rogue sprinkles will still
be possible through daybreak this morning. Later today cloudiness
will decrease but it will be another seasonably cool day. High
surf will continue to pound the beaches through this evening. A
strong high pressure ridge will build in later today through
Wednesday with fair and much warmer weather Wednesday through
Friday. The ridge will break down over the weekend leading to
cooler, but continued dry conditions. A storm system could bring
even cooler and wet weather for christmas.

Discussion For extreme southwestern california including orange...

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

7-day summary:
* continued cool today but decreasing clouds
* warm & dry wed-fri with gusty offshore winds
* cooler and more clouds for the weekend
* storm system may bring precip and cool conditions around xmas
day
the weak storm system that brought a few showers and some clouds
to socal Monday and overnight is exiting into nm early this
morning as evident on the latest water vapor satellite imagery. A
strong upper level ridge is building across the east pac and is
also evident on water vapor satellite this morning. A few stations
did pick up a few hundredths of an inch of rain yesterday. Patchy
dense fog is also occurring ATTM in the inland valleys and the
forecast was amended to add the fog through mid morning. Otherwise
the areas of low clouds are slowly dissipating early this
morning. Some scattered cloudiness will continue today for inland
areas.

The upper level ridge will build across socal through Wednesday
and Thursday. Moderate offshore gradients will materialize
Wednesday afternoon through Thursday with areas of gusty winds
below the passes and across the foothills of the san bernardino
and santa ana mountains. At this time areas of gusty winds should
mainly be below wind advisory thresholds with areas of winds
around 35 mph possible in the windy spots.

In addition to the gusty offshore winds, temperatures will really
warmup for all areas west of the mountains Wednesday and Thursday,
with unseasonably warm conditions lingering into Friday.

Temperatures will top out Thursday about 10 to 15 degrees above
normal, so around 80 possible in the inland valleys. Ridging
builds east of our area for Friday allowing some onshore flow near
the coast and the threat of fog late Thursday night and Friday
morning, likely repeating for the weekend periods.

A weak trough passes over socal quickly Friday and Friday evening
bringing increasing onshore flow and cooler conditions for the
weekend. Continued brisk NW flow through early next week.

A series of upper level troughs Sunday through mid next week will
bring some potential for precipitation. The first trough looks to
affect the region Sunday and Monday with cooler conditions,
increasing clouds but not looking like much of a precipitation
chance. Have not added to the forecast yet however due to poor
agreement in the global models with this first trough. The second
trough is forecast to be stronger, dropping further south and
closer to the coast but still inland. Both the ec and GFS agree on
this trough digging over socal for xmas eve into xmas day which
could bring a potential for more widespread precipitation,
although the GFS still favors a further inland track. So far out
now in the forecast but the improving model confidence is
promising for now. Our forecast only GOES through the 24th ATTM so
precipitation will not be mentioned in the worded forecast for
the entire 7 day period, until maybe this afternoon when the xmas
day forecast is added. Anyway, there are some indications of a
potential significant storm system by that time, and will be
interesting to see how the pattern evolves in the next few days.

Aviation
181000z... Coast valleys... Areas of low clouds with bases 1000-2500
feet msl will continue to dissipate this morning. Isolated vis
reduced in low lying inland pockets. Mostly clear skies should
prevail by 17-18z and continue through tonight.

Marine
A large long-period swell from the wnw will continue today. It will
generate combined seas of 10-13 feet in the outer coastal waters,
creating hazardous sea conditions near shoals. The inner waters
could have some hazardous conditions near jetties and the entrance
to mission bay. Swell and seas will subside late today and
Wednesday. The small craft advisory for hazardous seas is in effect
for all coastal waters.

Beaches
High surf will continue today and gradually decrease late in the
day. A high surf advisory remains in effect and contains the surf
and hazard details. Swell and surf will subside tonight and
Wednesday, although another swell Thursday could again bring high
surf.

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

Sgx watches warnings advisories
Ca... High surf advisory until 10 pm pst this evening for orange
county coastal areas-san diego county coastal areas.

Pz... Small craft advisory for hazardous seas until 10 pm pst this
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... Brotherton
aviation marine... Mm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 21 mi41 min 63°F6 ft
46256 24 mi41 min 62°F6 ft
PRJC1 25 mi41 min N 2.9 G 5.1
PFDC1 27 mi41 min WNW 4.1 G 4.1
AGXC1 27 mi41 min NW 4.1 G 5.1 58°F 1023.2 hPa
PFXC1 27 mi41 min NNW 4.1 G 4.1 58°F
PSXC1 28 mi41 min N 2.9 G 4.1
46222 - San Pedro, CA (092) 28 mi41 min 62°F7 ft
OHBC1 - 9410660 - Los Angeles, CA 28 mi47 min 63°F1023.2 hPa
BAXC1 29 mi47 min NNW 2.9 G 2.9
PXAC1 30 mi41 min WNW 1.9 G 2.9
46224 - Oceanside Offshore, CA (045) 30 mi41 min 63°F5 ft
46225 - Torrey Pines Outer, CA (100) 47 mi41 min 64°F6 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA11 mi48 minN 08.00 miOvercast57°F53°F87%1022.7 hPa
Los Alamitos Army Airfield, CA22 mi1.7 hrsN 05.00 miFog/Mist52°F52°F100%1022.6 hPa

Wind History from SNA (wind in knots)
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Last 24hrNE4N3CalmS5S6SW6SW6S6S9SW7SW4W43CalmE43CalmCalmCalmE3E3CalmCalmCalm
1 day agoCalmCalmCalmCalmSW6S5S4SW7SW3SW4CalmCalmNE3CalmCalmCalmCalmCalmCalmCalmCalmSE3E55
2 days agoS3CalmCalmCalm435CalmSW45CalmCalmCalmCalmNE3CalmCalmCalmCalmCalmCalmCalmCalmNE3

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Tue -- 02:21 AM PST     Moonset
Tue -- 05:40 AM PST     5.29 feet High Tide
Tue -- 06:50 AM PST     Sunrise
Tue -- 12:36 PM PST     0.67 feet Low Tide
Tue -- 02:03 PM PST     Moonrise
Tue -- 04:46 PM PST     Sunset
Tue -- 06:30 PM PST     3.51 feet High Tide
Tue -- 11:42 PM PST     1.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.62.12.93.84.75.25.34.94.13.121.20.70.71.11.72.43.13.53.53.12.621.6

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Tue -- 02:21 AM PST     Moonset
Tue -- 05:45 AM PST     5.22 feet High Tide
Tue -- 06:50 AM PST     Sunrise
Tue -- 12:40 PM PST     0.68 feet Low Tide
Tue -- 02:03 PM PST     Moonrise
Tue -- 04:46 PM PST     Sunset
Tue -- 06:35 PM PST     3.54 feet High Tide
Tue -- 11:48 PM PST     1.53 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.62.12.93.74.65.15.24.94.13.22.11.30.80.711.72.43.13.53.53.22.72.11.7

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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Wind Forecast for San Diego, CA (10,2,3,4)
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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.