Friday, April26, 2019 L-36.com


Marine Weather and Tides
Newport 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 6:06AMSunset 7:32PM Friday April 26, 2019 1:41 AM PDT (08:41 UTC) Moonrise 1:43AMMoonset 12:06PM Illumination 57% Phase: Waning Gibbous; Moon at 22 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- 807 Pm Pdt Thu Apr 25 2019
Tonight..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog after midnight.
Fri..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 9 seconds. Patchy fog in the morning.
Fri night..SW winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds. Patchy fog after midnight.
Sat..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 9 seconds. Patchy fog in the morning.
Sat night..SW winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
Sun..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 2 ft at 15 seconds. Patchy fog in the morning.
Sun night..SW winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. S swell 2 ft at 15 seconds. Slight chance of showers after midnight.
Mon..SW winds 10 to 15 kt. Wind waves 2 ft or less. S swell 2 ft. Slight chance of Thunderstorms.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. S swell 2 ft. Patchy fog.
PZZ600 807 Pm Pdt Thu Apr 25 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z...or 8 pm pdt...a 1030 mb surface high was centered about 300 nm west of vancouver. A 1005 mb thermal low was centered near las vegas.


7 Day Forecast for Marine Location Near Newport Beach, CA
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location: 33.59, -117.91     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 260449 aaa
afdsgx
area forecast discussion
national weather service san diego ca
947 pm pdt Thu apr 25 2019

Synopsis
High pressure aloft will weaken gradually through the upcoming
weekend, allowing the marine layer to build inland, with morning low
clouds and fog spreading farther into the valleys. It will be
slightly cooler each day through Sunday, as the deserts remain hot.

For Monday, a low pressure system will move inland, bringing greater
cooling, stronger and gusty west winds over the mountains and
deserts, and a chance for showers. Even isolated thunderstorms are a
possibility.

Discussion For extreme southwestern california including orange...

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

evening update:
no changes were needed to the forecast this evening. Gradients
continue to trend weakly onshore. The 00z inversion has weakened a
bit according to the latest miramar sounding. Low clouds have been
slowly filling into the coastal basin this evening. Light fog likely
to occur late tonight and Friday morning, especially for inland
areas and mesas where the low clouds interact with terrain.

Previous discussion, issued at 122 pm pdt:
at 1 pm pdt... Marine clouds had retreated back offshore, except for
a few spots along the immediate coast. The sfc pressure gradients
were still quite weak and winds light most areas. Most reporting
sites had temperatures with in 3f of where they were yesterday at
the same time. A weak shortwave trough skimming the northern
portions of the CWA is firing up some cumulus over the san
bernardino mts. At this time, the short-range, hires models show no
precip developing so pops remain below threshold.

The broad upper-level ridge over the SW will slowly weaken through
the upcoming weekend, allowing the onshore flow to increase and the
marine layer to build farther inland. Little change is expected
tonight, but greater coverage into the valleys is likely by Sunday.

It will stay quite warm far inland and in the deserts until then,
but for the western valleys incremental cooling is expected each day
as the sea breeze strengthens a bit more.

For Monday and Tuesday, expect more noticeable cooling as onshore
flow increases and daytime highs remain well below normal. This will
be in response to low pressure moving inland across socal. The
gfs ECMWF operational runs still show significant timing
differences, but the track and intensity of the system are very
close. This lowers confidence in any precip timing, which impacts
pops, which are spread out between Mon tue. Also, the pattern
suggests a threat of thunderstorms as we are placed in the ne
quadrant of the incoming system where lift should be maximized.

As the storm system moves east, models show another broad trough
building south over the west, which should maintain onshore flow,
the marine layer, and near to below average temperatures.

Aviation
260330z... Coast valleys... Status with bases 900-1100 ft msl along
the immediate coast will spread 10-15 mi inland overnight. Bases may
locally lower to 500-800 ft msl with areas of vis 2-5 sm in br hz
after 09z. Far west portions of the inland empire, including kont,
may have sct clouds below 1000 ft msl and vis 3-5 sm 11-15z. Clouds
will clear back to the coast between 16-19z. Stratus redeveloping
and spreading back into the coastal areas after 27 00z with bases
1000-1300 ft msl.

Mountains deserts... A few high clouds AOA 20000 ft msl and
unrestricted vis through Friday evening.

Marine
No hazardous marine conditions through Sunday. On Monday a trough
will bring a chance of showers and a slight chance for
thunderstorms, with showers possibly lingering into Tuesday.

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... 10 jmb
aviation marine... Ss


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 14 mi41 min 61°F2 ft
46256 17 mi41 min 60°F2 ft
PRJC1 18 mi41 min WSW 7 G 8
PFXC1 19 mi41 min SW 7 G 8 58°F
AGXC1 20 mi41 min SSW 7 G 8 57°F 1016.2 hPa (+0.3)
PFDC1 20 mi41 min S 5.1 G 5.1
BAXC1 21 mi41 min ESE 4.1 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 21 mi41 min 61°F1016.3 hPa (+0.3)
PSXC1 21 mi41 min SW 2.9 G 4.1
46222 - San Pedro, CA (092) 22 mi41 min 61°F2 ft
PXAC1 22 mi47 min N 1 G 1.9
46242 - Camp Pendleton Nearshore, CA (043) 36 mi43 min 65°F2 ft
46224 - Oceanside Offshore, CA (045) 37 mi41 min 64°F2 ft
46221 - Santa Monica Bay, CA (028) 43 mi41 min 61°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 43 mi41 min 64°F1016.2 hPa (+0.0)

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, CA7 mi48 minVar 310.00 miOvercast59°F54°F83%1016 hPa
Los Alamitos Army Airfield, CA16 mi43 minS 510.00 miMostly Cloudy56°F56°F99%1015.9 hPa
Fullerton, Fullerton Municipal Airport, CA20 mi48 minSSE 510.00 miFair59°F54°F83%1015.6 hPa
Long Beach, Long Beach Airport, CA21 mi48 minN 010.00 miFair60°F54°F80%1015.9 hPa

Wind History from SNA (wind in knots)
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Last 24hrCalmSE53SE3CalmCalm3Calm34S9S9SW10SW7SW6W7SW9SW6S7SW6SW5SW4W43
1 day agoS5CalmE4Calm3Calm3CalmS55SW7SW11SW11SW11SW12SW10S8SW8SW9SW5SW4SW5SW4W3
2 days agoNE3CalmNE4N4NE3Calm4CalmSW5S5SW4SW11S10S9S10S6SW6S5S7SW4SW6S5E5S4

Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Fri -- 01:42 AM PDT     Moonrise
Fri -- 02:41 AM PDT     3.86 feet High Tide
Fri -- 06:08 AM PDT     Sunrise
Fri -- 10:54 AM PDT     0.39 feet Low Tide
Fri -- 12:06 PM PDT     Moonset
Fri -- 03:19 PM PDT     Last Quarter
Fri -- 06:23 PM PDT     3.48 feet High Tide
Fri -- 07:30 PM PDT     Sunset
Fri -- 11:16 PM PDT     2.75 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.43.63.83.93.73.32.82.11.40.90.50.40.611.62.32.93.33.53.43.33.12.92.8

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Fri -- 01:43 AM PDT     Moonrise
Fri -- 03:50 AM PDT     3.34 feet High Tide
Fri -- 06:08 AM PDT     Sunrise
Fri -- 12:06 PM PDT     0.25 feet Low Tide
Fri -- 12:06 PM PDT     Moonset
Fri -- 03:19 PM PDT     Last Quarter
Fri -- 07:31 PM PDT     Sunset
Fri -- 07:32 PM PDT     3.01 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.52.93.23.33.22.92.51.91.30.80.40.20.40.71.21.82.42.8332.72.32

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 (4,6,7,8)
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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.