Tuesday, August20, 2019 L-36.com


Marine Weather and Tides
Beaumont, 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 6:12AMSunset 7:30PM Tuesday August 20, 2019 7:32 PM PDT (02:32 UTC) Moonrise 10:33PMMoonset 10:43AM Illumination 71% Phase: Waning Gibbous; Moon at 20 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- 138 Pm Pdt Tue Aug 20 2019
Today..Wind nw 10 to 15 kt with gusts to 20 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 1 ft at 15 seconds and sw 1 ft at 14 seconds.
Tonight..Wind nw 10 to 15 kt with gusts to 20 kt. Wind waves 2 ft or less. Mixed swell W 1 ft at 15 seconds and sw 1 to 2 ft at 13 seconds.
Wed..Wind W to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft at 10 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 3 ft at 8 seconds and S 1 to 2 ft at 15 seconds.
Thu..Wind S 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 8 seconds and sw 1 to 2 ft at 15 seconds.
Thu night..Wind S 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and sw 2 to 3 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.
Sat..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 to 3 ft and sw 2 to 3 ft.
Sat night..Wind nw 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 sw 2 ft.
PZZ700 138 Pm Pdt Tue Aug 20 2019
Synopsis for the far southern california coast.. At 2 pm, a 1006 mb low was over far eastern san bernardino county and a 1020 mb high was 850 nm west of san diego. Moderate onshore flow will develop this afternoon and evening with gusts around 20 kt near san clemente island. Weaker onshore flow will prevail Wednesday through Saturday with a coastal eddy at times.


7 Day Forecast for Marine Location Near Beaumont, CA
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location: 33.85, -117     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 202016
afdsgx
area forecast discussion
national weather service san diego ca
115 pm pdt Tue aug 20 2019

Synopsis
High pressure aloft will bring hot weather to the valleys and
deserts through tomorrow. A weak trough will bring cooling Thursday
and Friday along with a deeper marine layer. The weekend will be dry
with seasonal weather for late august.

Discussion For extreme southwestern california including orange...

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

today was quite a bit hotter than yesterday in the valleys as
high pressure aloft forced cooler marine air out of the western
valleys and replaced it with drier, hotter continental air.

The mountains and deserts were also quite a bit warmer. In
contrast, a 1,000 ft deep marine layer kept coastal temperatures
relatively unchanged from yesterday.

Here are the noon temperatures and dew points showing the 24-hour
changes in temperature and moisture from the coast to the desert.

Temp(f) dew point(f)
valleys:
chino 89 (+9) 30 (-30)
riverside 89 (+9) 48 (-12)
ontario 87 (+7) 48 (-11)
ramona 87 (+5) 55 (-2)
deserts:
thermal 107 (+7) 30 (-18)
palm springs 107 (+5) 28 (-9)
apple valley 94 (+4) 36 (-9)
borrego 107 (+4) 26 (-7)
mountains:
big bear 83 (+2) 19 (-6)
julian 85 (+2) 33 (-2)
coast:
san diego 75 (0) 64 (+4)
encinitas 74 (0) 66 (+1)
laguna beach 75 (-1) 66 (+2)
skies were clear this afternoon but marine layer clouds will
reform over the coastal waters and move into the coastal zones
later tonight. The marine layer may be 100-200 feet shallower and
may not reach as far into the san diego valleys as last night. Areas
of dense fog are again possible in some of the inland valleys
tomorrow morning.

The heat will peak Wednesday, and an excessive heat warning will
be in effect for the deserts through 8 pm. Highs will be from 114 to
118 in the lower deserts and from 104 to 108 in the high deserts
east of apple valley.

Thursday and Friday will be a little cooler as a weak trough of low
pressure moves inland across california. It will slowly deepen the
marine layer with greater night and morning low cloud coverage.

Long range: the long range ensemble GEFS and eps runs have trended a
little drier with the monsoonal moisture surging into the southwest
Saturday through Tuesday. The synoptic pattern shows a flat, east-
west oriented upper ridge extending from central california to
northern texas suppressing most of the moisture south of the border.

Temperatures will be near seasonal averages through the period.

Aviation
202015z... Coast valleys... Mostly clear with unrestricted vis through
this evening. Low clouds moving ashore after 07z with bases 500-1000
ft msl, spreading 15-20 miles inland overnight in san diego county.

Low confidence in CIGS impacting orange county and ksna. Reduced vis
of 4-6 miles in fog where stratus meets higher terrain. Scatter out
expected after 16z Wednesday.

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

Marine
Northwest winds will briefly reach 20 kt near san clemente island
this afternoon and evening. Otherwise no hazardous marine conditions
expected through Saturday.

Skywarn
Skywarn activation will not be needed this week.

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
aviation marine... Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 53 mi33 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
Riverside / March Air Force Base, CA15 mi35 minWNW 810.00 miFair86°F48°F27%1010.9 hPa
San Bernardino Intl. Airport, CA22 mi45 minWSW 107.00 miClear93°F48°F21%1011.2 hPa

Link to 5 minute data for KRIV

Wind History from RIV (wind in knots)
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Last 24hrNW7CalmNW5Calm----CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW8NW6NW8NW10NW10
G16
NW10NW10W8
1 day agoNW6W5CalmW3NW4CalmCalmW3W3W3W3W4CalmCalmE3N3N5NW5NW8NW8NW10NW10NW10NW9
2 days agoNW8CalmNW4NW3W3CalmW3NW4CalmCalmNW3W3N3W5N6NW5NW5NW7NW7NW9NW10W8NW10W8

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Tue -- 06:16 AM PDT     Sunrise
Tue -- 06:22 AM PDT     1.06 feet Low Tide
Tue -- 10:45 AM PDT     Moonset
Tue -- 12:47 PM PDT     4.43 feet High Tide
Tue -- 06:56 PM PDT     1.90 feet Low Tide
Tue -- 07:30 PM PDT     Sunset
Tue -- 10:35 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.44.23.72.92.11.41.11.11.62.33.13.84.34.44.23.732.421.92.12.533.5

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Tue -- 12:02 AM PDT     4.48 feet High Tide
Tue -- 06:17 AM PDT     Sunrise
Tue -- 06:27 AM PDT     1.16 feet Low Tide
Tue -- 10:47 AM PDT     Moonset
Tue -- 12:59 PM PDT     4.48 feet High Tide
Tue -- 06:58 PM PDT     2.01 feet Low Tide
Tue -- 07:32 PM PDT     Sunset
Tue -- 10:36 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.33.832.21.61.21.21.62.33.13.84.34.54.33.83.22.62.222.22.533.5

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 (22,6,7,8)
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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.