Tuesday, September25, 2018 L-36.com


Marine Weather and Tides
San Jacinto, CA

Version 3.4
What's New / NOTES
9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 6:37AMSunset 6:40PM Tuesday September 25, 2018 5:49 AM PDT (12:49 UTC) Moonrise 7:27PMMoonset 7:03AM Illumination 100% Phase: Full Moon; Moon at 15 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- 208 Am Pdt Tue Sep 25 2018
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 9 seconds and sw 2 ft at 17 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 7 seconds and sw 2 ft at 16 seconds.
Wed..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 2 to 3 ft at 17 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 at 6 seconds and S 2 to 3 ft at 16 seconds.
Thu..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 2 ft at 15 seconds.
Thu night..Wind W to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Fri..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 2 ft and S 2 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Sat..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Sat night..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 2 to 3 ft and S 2 to 3 ft.
PZZ700 208 Am Pdt Tue Sep 25 2018
Synopsis for the far southern california coast.. At 2 am a 1030 mb high covered a broad area of the northeast pacific ocean and a 1027 mb high was over yellowstone park. A 1006 mb low covered the northern gulf of california. Generally weak onshore flow will prevail through Saturday.


7 Day Forecast for Marine Location Near San Jacinto, CA
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location: 33.81, -117     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 250948
afdsgx
area forecast discussion
national weather service san diego ca
248 am pdt Tue sep 25 2018

Synopsis
Strengthening high pressure aloft and very weak offshore flow will
bring a warming trend through Thursday, followed by a cooling
trend for Friday into next weekend. The marine layer will become
shallower for Wednesday and Thursday with night and morning
coastal low clouds and fog not spreading as far inland. A trough
of low pressure may develop off the california coast for Sunday
into early next week. There is some potential for this trough to
draw some tropical moisture into portions of the southwest states
for early next week with very low confidence in the details.

Discussion For extreme southwestern california including orange...

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

the global models remain in good agreement with the weather
pattern over the eastern pacific into north america into the
weekend. There remain significant differences over the eastern
pacific into the western states for Sunday into next week.

A blocking pattern will remain over the eastern pacific through
Thursday. The block will break down on Friday with a closed low
pressure system moving into northern california Friday night and
Saturday. East of that blocking pattern, high pressure aloft will
strengthen through Wednesday and change little on Thursday before
weakening on Friday as the closed low pressure center off the
california coast moves toward northern california.

Very weak offshore flow will develop for today, then strengthen
slightly for tonight into Wednesday. There will be locally gusty
east winds in the mountains today with gusts mostly less than 25
mph. The winds are expected to be more widespread for late tonight
into Wednesday morning in the mountains, below passes and
canyons, and in the far inland valleys near the coast foothills.

Winds are expected to gust to around 25 mph at times.

High temperatures will warm into Thursday with Thursday expected
to be the warmest day. A cooling trend will develop on Friday and
continue into next weekend. The marine layer is near 2500 feet
deep with satellite imagery showing widespread stratus over the
coastal waters, spreading into the inland valleys. As high
pressure aloft strengthens, the marine layer is expected to become
shallower with night and morning low clouds and fog not expected
to spread as far inland for Wednesday and Thursday. A slow
deepening trend is expected for Friday into next weekend.

As for the weather for the weekend into early next weak, as the
closed low pressure system moves into northern california on
Friday night and Saturday, another trough of low pressure may
develop off the california coast for Sunday and Monday. There
continue to be differences among the global models and their
ensemble members in the placement and amplitude of this trough.

Those differences are important in that they would impact the
ability of the trough to tap tropical moisture, possibly from one
or two as yet to develop tropical cyclones, into portions of the
southwest states. There remain a wide range of possible solutions
with very low confidence in any one of them.

Aviation
250900z... Coast valleys... Low clouds will fill all but the most
inland of valleys by sunrise. Cloud bases will be close to 1500 feet
msl with tops to around 2300 feet and reduced vis along inland
extent of clouds. Scatter out is expected by 17-19z, but with areas
of persisting clouds along the immediate coast. Low clouds will move
ashore after 02z and not as far inland overnight. Bases tops will be
trending lower going into Wednesday.

Mountains deserts... Mostly clear with unrestricted vis today and
tonight.

Marine
No hazardous marine weather is expected through Saturday.

Fire weather
Very weak offshore flow will develop for today, then strengthen
slightly for tonight into Wednesday. There will be locally gusty
east winds in the mountains today with gusts mostly less than 25
mph. The winds are expected to be more widespread for late tonight
into Wednesday morning in the mountains, below passes and
canyons, and in the far inland valleys near the coast foothills.

Winds are expected to gust to around 25 mph at times. Lower
humidity in the deserts will expand into the mountains today, and
into the inland valleys on Wednesday. Low inland humidity will
continue through Thursday, but with weaker winds. Onshore flow
will strengthen for Friday into the weekend with a recovery in
humidity for the valleys into the mountains.

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... 17
aviation marine... Mm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 47 mi51 min 69°F2 ft
46224 - Oceanside Offshore, CA (045) 50 mi19 min 68°F2 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Riverside / March Air Force Base, CA15 mi1.9 hrsWNW 31.00 miFog/Mist58°F58°F100%1011.1 hPa
San Bernardino Intl. Airport, CA24 mi69 minW 37.00 miPartly Cloudy62°F55°F82%1012.5 hPa

Wind History from RIV (wind in knots)
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Last 24hrCalmW4W5W3Calm--NW3N5NW9W10NW13NW10NW10W8NW8--NW4NW3W3NW3NW4NW4W3NW5
1 day agoCalmCalmCalmS5SE5CalmNW9NW9NW10
G15
NW11NW14NW12NW10NW8NW7NW7W3----------CalmCalm
2 days ago--------------W8W11NW12NW14--W12----W4W5W4W4W6CalmCalmCalm--

Tide / Current Tables for San Clemente, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (8,2,3,4)
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Ground Weather Radar Station Santa Ana Mtns, 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.