Monday, August19, 2019 L-36.com


Marine Weather and Tides
Dana Point, 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 6:14AMSunset 7:34PM Monday August 19, 2019 10:28 AM PDT (17:28 UTC) Moonrise 10:07PMMoonset 9:52AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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- 145 Am Pdt Mon Aug 19 2019
Today..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 15 seconds and sw 1 ft at 15 seconds.
Tonight..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 1 ft at 14 seconds.
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 at 6 seconds and sw 1 ft at 14 seconds.
Tue night..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 3 ft at 6 seconds and sw 1 to 2 ft at 14 seconds.
Wed..Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 3 ft at 7 seconds and S 1 to 2 ft at 15 seconds.
Wed night..Wind W to 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 S 1 to 2 ft.
Thu..Wind variable less than 10 kt...becoming S 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 2 ft.
Thu night..Wind variable less than 10 kt...becoming S 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
Fri..Wind se 10 kt in the morning...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.
Fri night..Wind 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 145 Am Pdt Mon Aug 19 2019
Synopsis for the far southern california coast.. High pressure will build over the region through Wednesday, then weaken slightly. Light onshore flow will prevail through Friday. No hazardous marine conditions are anticipated over the next few days.


7 Day Forecast for Marine Location Near Dana Point, CA
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location: 33.45, -117.68     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 191641
afdsgx
area forecast discussion
national weather service san diego ca
900 am pdt Mon aug 19 2019

Synopsis
Building high pressure over the southwest will bring warmer days
through Wednesday. An excessive heat warning is in effect for the
deserts on Wednesday. A cooler marine airmass will keep temperatures
in the coastal and western valley zones near their seasonal
averages. The weather will turn a little cooler Thursday and Friday,
and a surge of monsoon moisture is possible this weekend.

Discussion For extreme southwestern california including orange...

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

the forecast challenges today are determining just how hot it
will get on Wednesday, and the chances of monsoon moisture reaching
southern california this weekend or early next week.

Regarding the heat, broad upper level ridging over texas this
morning will expand westward Tuesday and Wednesday. This looks like
it will be a brief heat episode, and won't be as hot as it could be
because the ridge amplification over the southwest will be muted by
an anomalous upper level trough moving into the pacific northwest.

Wednesday will be the hottest day, and an excessive heat warning
will be in effect for the deserts. Record highs are within reach at
a few sites in the lower deserts including palm springs (117),
thermal (118), indio (115) and borrego (116). High temperatures in
upper deserts east of apple valley will range from 103 to 109 on
Wednesday.

Temperatures west of the mountains will be kept in check by the
cooler marine air, especially areas within 10 miles of the coast. By
Wednesday morning the marine layer will mostly be confined to areas
near the coast, and that will allow the hotter airmass to spill into
the valleys. High temperatures in the inland empire will likely
eclipse 100 degrees in a few areas on Wednesday. In san diego
county, the eastern valleys and foothills will see highs from 95-
100.

On Thursday and Friday the upper ridge gets flattened by the trough
of low pressure moving in from the northwest. Thursday will not be
quite as hot as Wednesday, and further cooling by a degree or two
will continue on Friday. The marine layer will slowly deepen with
low clouds returning to the far western valleys on Friday morning.

*from previous discussion*
less certain are the details of the forecast for the weekend into
early next week. The current forecast shows a modest warming trend
west of the mountains with the marine layer becoming shallower.

For the mountains and deserts, the current forecast shows a slow
return of monsoonal moisture with afternoon clouds over the
mountains and a slight chance of thunderstorms near the mountains
on Monday. High temperatures wouldn't change much from those on
Friday, remaining around average. Among the range of possibilities is
a greater return of moisture some time during this period which
could both lower high temperatures in the lower deserts and
increase the potential for afternoon thunderstorms near the
mountains.

Aviation
191530z... Coast valleys... Low clouds with bases 1000-1800 ft msl and
tops to 2300 ft msl beginning to scatter out of the valleys at this
hour, and should be fully scattered out of all areas by 17z. Reduced
vis of 4-6 miles in portions of the valleys through 17z. Low clouds
redeveloping and moving ashore after 05z Tuesday, moving 15-20 miles
inland overnight.

Mountains deserts... Mostly clear with unrestricted vis through
Tuesday.

Marine
No hazardous marine conditions are expected through Friday.

Skywarn
Skywarn activation will not be needed today.

Sgx watches warnings advisories
Ca... Excessive heat warning from 11 am to 8 pm pdt Wednesday for
apple and lucerne valleys-coachella valley-san diego county
deserts-san gorgonio pass near banning.

Pz... None.

Public... Moede 17
aviation marine... Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 22 mi28 min 71°F2 ft
46253 28 mi28 min 69°F2 ft
46256 33 mi28 min 66°F2 ft
PRJC1 33 mi58 min S 4.1 G 5.1
PFXC1 35 mi58 min S 5.1 G 5.1
46222 - San Pedro, CA (092) 36 mi35 min 70°F2 ft
PSXC1 36 mi58 min SE 4.1 G 7
OHBC1 - 9410660 - Los Angeles, CA 37 mi58 min 64°F1015.5 hPa
46225 - Torrey Pines Outer, CA (100) 39 mi28 min 72°F2 ft
46254 46 mi60 min 68°F 71°F1 ft
LJAC1 - 9410230 - La Jolla, CA 46 mi64 min NNW 4.1 G 5.1 68°F 62°F1014.3 hPa
LJPC1 - La Jolla, CA (073) 46 mi68 min NW 2.9 G 5.1 1 ft
46258 49 mi28 min 72°F3 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mcolf Camp Pendleton (Red Beach), CA17 mi92 minESE 410.00 miOvercast68°F60°F76%1023.4 hPa
John Wayne-Orange County Airport, CA19 mi95 minE 510.00 miMostly Cloudy71°F59°F66%1014.5 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi93 minENE 410.00 miOvercast67°F60°F79%1014.7 hPa
Oceanside, Oceanside Municipal Airport, CA24 mi96 minN 010.00 miOvercast68°F60°F76%1014.6 hPa

Link to 5 minute data for KNXF

Wind History from NXF (wind in knots)
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Last 24hrSW7SW9W9W9W9W10W9W9W8W6W5NE3NE3NE3CalmE3CalmCalmNE5NE3NE6NE3SE4W6
1 day agoSW7SW8W8W9W8SW7W7SW7W4CalmCalmCalmE3N3NE3Calm--NE4NE5E4NE6E7CalmS7
2 days agoW6W8W9W9W8W7W6SW6S5S5S3SE4S4S5SE5S5CalmSE5SE4S4E3S5S7S9

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Mon -- 05:57 AM PDT     0.66 feet Low Tide
Mon -- 06:15 AM PDT     Sunrise
Mon -- 09:51 AM PDT     Moonset
Mon -- 12:16 PM PDT     4.42 feet High Tide
Mon -- 06:06 PM PDT     1.82 feet Low Tide
Mon -- 07:31 PM PDT     Sunset
Mon -- 10:06 PM PDT     Moonrise
Mon -- 11:53 PM PDT     4.45 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.84.33.42.41.50.90.70.91.62.53.44.14.44.33.93.22.521.822.53.13.84.3

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Mon -- 06:01 AM PDT     0.75 feet Low Tide
Mon -- 06:16 AM PDT     Sunrise
Mon -- 09:52 AM PDT     Moonset
Mon -- 12:26 PM PDT     4.46 feet High Tide
Mon -- 06:06 PM PDT     1.93 feet Low Tide
Mon -- 07:33 PM PDT     Sunset
Mon -- 10:07 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.94.43.62.61.710.811.62.43.344.44.443.32.72.21.92.12.53.13.84.3

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 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.