Monday, April22, 2019 L-36.com


Marine Weather and Tides
Costa Mesa, 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 6:11AMSunset 7:29PM Monday April 22, 2019 7:26 AM PDT (14:26 UTC) Moonrise 11:09PMMoonset 8:44AM Illumination 90% Phase: Waning Gibbous; Moon at 18 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- 701 Am Pdt Mon Apr 22 2019
Today..NW winds 5 to 10 kt, becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 to 4 ft at 10 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Tonight..W winds 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 10 seconds.
Tue..NE winds 10 to 15 kt, becoming sw in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 10 seconds.
Tue night..W winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds.
Wed..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 9 seconds.
Wed night..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 8 seconds.
Thu..SW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft.
Fri..SW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft.
PZZ600 701 Am Pdt Mon Apr 22 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 13z...or 6 am pdt...a 1032 mb surface high was centered 750 nm W of point conception with a 1009 mb low near yuma az. Gusty nw winds will affect the outer waters through this evening along with choppy seas. Expect patchy dense fog with visibility at or below one quarter mile this morning.


7 Day Forecast for Marine Location Near Costa Mesa, CA
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location: 33.63, -117.96     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 220920
afdsgx
area forecast discussion
national weather service san diego ca
220 am pdt Mon apr 22 2019

Synopsis
Low pressure will drop south over southern california today,
bringing partly cloudy skies. There is also a slight chance of
showers in the mountains this afternoon and evening. Some offshore
breezes will develop through and below passes and canyons as flow
turns offshore today into Tuesday. High pressure will bring warmer
weather inland this week, but with a shallow marine layer to keep
the coast cooler along with some coastal clouds. A low pressure
trough breaks down the high pressure this coming weekend, leading
to cooler weather and more clouds, and even a chance of showers
early next week.

Discussion For extreme southwestern california including orange...

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

a trough of low pressure is rotating through southern california
this morning. An organized wave out of the north produced a batch
of clouds and even a light shower in hesperia overnight.

Meanwhile, low clouds persist in inland valleys and parts of the
coast. The flow is turning offshore this morning, so those inland
low clouds are expected to clear early, particularly from north to
south, but coastal clouds will be on the increase because the
offshore flow is weak, not pushing all the way to the coast.

Customarily, we get dry air coming out of the north at mid levels
on the west side of troughs, and no chance of showers, but several
models are showing a few today. Since we already have evidence
that this northerly flow isn't dry, we've added more clouds and
slight chances of showers in the mountains and parts of the high
desert this afternoon and evening. The upper low slowly moves out
entirely Tuesday and Wednesday and it really dries out and warms
up. This ridge of high pressure will boost temps into the 80s and
low 90s for the inland valleys, even touching 100 in the low
desert, Tuesday through Thursday. The marine layer will respond to
the ridge by cowering under the pressure and going shallow, but
not relinquishing its grip on the coast and coastal valleys.

Coastal cloud coverage won't reach too far inland, and true fog
might be an issue at times during nights and mornings on higher
coastal terrain or coastal valleys. It's also possible that the
strong inversion (warm dry air aloft in strong contrast to cool
marine air near the surface) could preclude full clearing at the
beaches during the days. The high pressure ridge gradually breaks
down this coming weekend, leading to a more extensive marine layer
and cooler weather, at least west of the mountains. That allows a
trough of low pressure out west in the pacific to take aim right
at southern california. This is a weak system, but most every
model solution pushes it directly through our region Sunday and or
Monday. There are subtle differences, but there is enough
moisture and energy for at least a chance of showers next Sunday
and Monday.

Aviation
220900z... Coast valleys... Sct to bkn020-030 mainly affecting the
inland valleys and along the mesas; also affecting ksan at times.

Sct to bkn low clouds will gradually dissipate at all terminals 16-
19z today. Sct to bkn020-030 low clouds developing this evening
after 06z for the coastal TAF sites, diminishing by 18z Tuesday.

Mountains... West winds 20-25 kt gusting to 40 kt over the mountains
through this afternoon with moderate up down drafts along the desert
facing mountain slopes and into the deserts. Winds diminishing after
21z. West facing slopes below 5,500 ft obscured in clouds and fog at
times through 21z this afternoon with isolated light showers.

Deserts... Nw winds 10-15 kt with gusts to 25 kt at times this
morning, diminishing after 18z. Otherwise,VFR conditions through
Tuesday.

Marine
No hazardous marine weather is expected through this weekend.

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... Mm
aviation marine... Brotherton


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 12 mi27 min 59°F4 ft
46256 14 mi27 min 56°F3 ft
PRJC1 14 mi39 min E 5.1 G 6
AGXC1 16 mi39 min E 5.1 G 6 56°F 1016.1 hPa
PFXC1 16 mi39 min ESE 2.9 G 5.1 58°F
PFDC1 17 mi39 min E 5.1 G 6
PSXC1 17 mi39 min ESE 2.9 G 5.1
BAXC1 18 mi51 min ENE 5.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 18 mi39 min 59°F1016.2 hPa
46222 - San Pedro, CA (092) 19 mi27 min 60°F5 ft
PXAC1 19 mi39 min ESE 2.9 G 2.9
46221 - Santa Monica Bay, CA (028) 39 mi27 min 58°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 39 mi39 min 58°F1016.3 hPa
46242 - Camp Pendleton Nearshore, CA (043) 40 mi89 min 60°F3 ft
46224 - Oceanside Offshore, CA (045) 41 mi27 min 63°F4 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, CA6 mi34 minENE 310.00 miPartly Cloudy56°F46°F70%1015.8 hPa
Los Alamitos Army Airfield, CA12 mi89 minN 010.00 miA Few Clouds50°F48°F92%1015.9 hPa
Fullerton, Fullerton Municipal Airport, CA17 mi34 minE 310.00 miA Few Clouds55°F46°F74%1015.5 hPa
Long Beach, Long Beach Airport, CA17 mi34 minN 010.00 miFair55°F48°F80%1015.8 hPa

Wind History from SNA (wind in knots)
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Last 24hrS3SW44SW6S8S11
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SW11SW7SW7W5W5S6S4SE3CalmCalmE3SE4E4E5CalmE3
1 day ago4Calm4SW7W6--S9SW9S7S10SW9SW7SW63SW4CalmS3CalmCalmS3CalmS3SE4Calm
2 days agoCalmS5S10SW7SW5SW4SW8SW8W6SW84SW84S45W5SW5W4W5W4W5SW4Calm3

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
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Mon -- 06:13 AM PDT     Sunrise
Mon -- 08:06 AM PDT     -0.11 feet Low Tide
Mon -- 08:44 AM PDT     Moonset
Mon -- 01:09 PM PDT     1.96 feet High Tide
Mon -- 07:25 PM PDT     0.38 feet Low Tide
Mon -- 07:27 PM PDT     Sunset
Mon -- 11:08 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.92.521.40.80.30-0.10.10.61.21.721.91.61.30.90.60.40.50.91.72.4

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
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Mon -- 12:16 AM PDT     4.72 feet High Tide
Mon -- 06:13 AM PDT     Sunrise
Mon -- 07:31 AM PDT     -0.32 feet Low Tide
Mon -- 08:44 AM PDT     Moonset
Mon -- 01:46 PM PDT     3.01 feet High Tide
Mon -- 06:50 PM PDT     1.15 feet Low Tide
Mon -- 07:28 PM PDT     Sunset
Mon -- 11:09 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.74.643.12.110.2-0.3-0.30.20.91.72.52.932.72.21.71.31.21.422.83.6

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 (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.