Friday, April19, 2019 L-36.com


Marine Weather and Tides
Sunset 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 6:16AMSunset 7:26PM Thursday April 18, 2019 9:17 PM PDT (04:17 UTC) Moonrise 6:52PMMoonset 6:08AM Illumination 100% Phase: Full Moon; Moon at 14 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- 808 Pm Pdt Thu Apr 18 2019
Tonight..W 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 14 seconds and S 2 ft at 15 seconds. Patchy dense fog, with vsby 1 nm or less.
Fri..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 3 ft at 16 seconds. Areas of dense fog with vsby 1 nm or less.
Fri night..W winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Wind waves 2 ft or less. S swell 3 ft at 15 seconds.
Sat..S winds 5 to 10 kt, becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 15 seconds.
Sat night..Western portion, nw winds 15 to 20 kt. Elsewhere, sw winds 5 to 10 kt. Wind waves 2 to 3 ft. W swell 5 to 6 ft at 7 seconds.
Sun..W winds 10 to 20 kt with gusts to 25 kt. Combined seas 4 to 6 ft.
Mon..SW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 808 Pm Pdt Thu Apr 18 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 1025 mb surface high was centered 800 nm west of point conception while a 1013 mb thermal low was centered over southwest arizona. This pattern will persist into Friday, then high pressure will push closer to the coast and strengthen over the weekend, resulting in widespread gusty winds and choppy seas.


7 Day Forecast for Marine Location Near Sunset Beach, CA
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location: 33.71, -118.06     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 182050
afdsgx
area forecast discussion
national weather service san diego ca
200 pm pdt Thu apr 18 2019

Synopsis
Strengthening high pressure aloft across california will continue
the warming trend this afternoon with the warming continuing in the
deserts Friday. The marine layer will return late tonight with low
clouds and fog, with local dense fog possible, in coastal areas. The
marine layer will deepen Friday through Sunday with low clouds
spreading to the coastal mountain slopes Saturday night. A low
pressure system will move across california late Saturday and early
Sunday and will bring substantial cooling over the weekend and a
slight chance of light showers. Stronger onshore flow will bring
gusty west winds to the mountains and deserts with strongest winds
Saturday afternoon and night. High pressure will rebuild across
california next Monday through Thursday and bring a return to fair
warm weather.

Discussion For extreme southwestern california including orange...

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

high pressure aloft is peaking today and bringing warm weather to
the region, with thermal airport up to 96 at 1 pm, and quite a few
places approaching 90 in the inland empire (92 at lake elsinore).

Models indicate a shallow marine layer developing tonight, with some
stratus and fog near the immediate coast. Local dense fog could form
over higher coastal terrain, such as the mesas. Latest observation
at san clemente island (nuc) has broken clouds at 500 feet above
ground level (around 700 feet above sea level), and aircraft
soundings have shown similar inversion heights, so elevations below
about 700 feet could get fog tonight. Due to the developing marine
layer, Friday should be a little cooler in coastal areas, though
with 850 mb temps peaking in the deserts then despite the height
falls, the mountains and deserts should have their warmest day of
this week then.

A weak shortwave will move through the region Friday night and help
to deepen the marine layer, then a longwave trough will move through
Saturday night and Sunday. NAM and local WRF both have some light
precipitation, mainly from the valleys to the west mountain slopes,
and given the nocturnal passage of the main vorticity maximum with
the system, I added slight chances of showers to the forecast in the
afternoon package. Temperatures will be lower, mostly about 5
degrees below seasonal normals over the weekend. As is typical for
low pressure troughs during the spring, strong gusty winds will
develop over the mountains and deserts, with gusts likely over 50
mph in the usual windy spots, especially Saturday afternoon and
evening. High pressure will rebuild next week and bring fair warmer
weather again, with the possibility of 100 degree temps in the
hottest parts of the lower deserts.

Aviation
182010z... Coast valleys... Sct-bkn high clouds expected today with
bases AOA 20000 ft msl. High confidence in low clouds returning to
coastal areas tonight. Low confidence in exact timing but CIGS most
likely to form after 06z fri, with bases 500-1000 ft msl. Reduced
vis of 3 miles or less will be possible due to fog over higher
coastal terrain. Sct conditions expected by 15z Fri at coastal taf
sites.

Mountains deserts... Mostly clear skies and unrestricted vis expected
through Friday afternoon.

Marine
A brief period of NW winds 12-18 kt over the outer coastal waters
expected Friday afternoon-Friday night. NW winds 10-15 kt gusting 20-
25 over the outer waters late Saturday night into Sunday. These
conditions may become hazardous to small craft.

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... Maxwell
aviation marine... Co


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 7 mi29 min N 6 G 7
46256 8 mi17 min 58°F4 ft
PFXC1 9 mi29 min N 6 G 6 65°F
AGXC1 10 mi29 min SW 4.1 G 5.1 60°F 1016.8 hPa
BAXC1 10 mi29 min S 8 G 9.9
PFDC1 10 mi29 min NNE 5.1 G 6
PSXC1 10 mi29 min NNW 8.9 G 13
46253 11 mi17 min 59°F3 ft
OHBC1 - 9410660 - Los Angeles, CA 11 mi29 min 60°F1016.9 hPa
PXAC1 11 mi29 min N 2.9 G 4.1
46222 - San Pedro, CA (092) 15 mi17 min 58°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 31 mi29 min 59°F1016.9 hPa
46221 - Santa Monica Bay, CA (028) 32 mi17 min 59°F4 ft
46242 - Camp Pendleton Nearshore, CA (043) 47 mi49 min 62°F4 ft
46224 - Oceanside Offshore, CA (045) 48 mi17 min 62°F4 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Alamitos Army Airfield, CA6 mi21 minN 010.00 miFair60°F55°F85%1016.9 hPa
Long Beach, Long Beach Airport, CA10 mi24 minNW 79.00 miFair64°F54°F70%1016.6 hPa
John Wayne-Orange County Airport, CA10 mi24 minSSW 510.00 miFair63°F54°F73%1016.7 hPa
Fullerton, Fullerton Municipal Airport, CA12 mi24 minN 010.00 miFair68°F50°F53%1016.2 hPa
Torrance, Zamperini Field Airport, CA16 mi85 minW 1210.00 miClear64°F50°F60%1015.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA21 mi24 minWSW 510.00 miFair62°F55°F80%1016.7 hPa
Los Angeles / USC Campus Downtown, CA24 mi30 minW 310.00 miFair62°F55°F78%1016.3 hPa
Los Angeles, Los Angeles International Airport, CA24 mi24 minWSW 710.00 miA Few Clouds60°F55°F86%1016.6 hPa

Wind History from SLI (wind in knots)
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Last 24hrSW3CalmCalmSW4CalmCalmCalmCalmCalmNE3CalmCalmCalmSW5S10S8SW7S5SW7NW8W6W8S4Calm
1 day agoCalmCalmCalmCalmCalmCalmCalmE3CalmNE4E3S3CalmCalmS6S95SW17W10
G15
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2 days agoCalmSW5SW4CalmCalmSE4CalmCalmCalmSE5SW5S3S5SW6SW4SW4SW9S11SW12SW13SW10SW5S4S5

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
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Fri -- 04:12 AM PDT     Full Moon
Fri -- 05:11 AM PDT     -0.40 feet Low Tide
Fri -- 06:16 AM PDT     Sunrise
Fri -- 06:44 AM PDT     Moonset
Fri -- 11:08 AM PDT     4.11 feet High Tide
Fri -- 05:07 PM PDT     0.19 feet Low Tide
Fri -- 07:26 PM PDT     Sunset
Fri -- 07:58 PM PDT     Moonrise
Fri -- 11:07 PM PDT     4.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.33.32.10.90-0.4-0.20.61.72.93.74.13.93.32.31.30.50.20.41.22.43.64.65

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
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Fri -- 04:12 AM PDT     Full Moon
Fri -- 05:46 AM PDT     -0.13 feet Low Tide
Fri -- 06:16 AM PDT     Sunrise
Fri -- 06:43 AM PDT     Moonset
Fri -- 10:31 AM PDT     2.68 feet High Tide
Fri -- 05:42 PM PDT     0.06 feet Low Tide
Fri -- 07:25 PM PDT     Sunset
Fri -- 07:58 PM PDT     Moonrise
Fri -- 10:30 PM PDT     3.24 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.72.11.40.80.3-0.1-0.10.31.222.62.62.421.40.90.40.10.10.61.52.53.13.2

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 (0,6,7,8)
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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.