Wednesday, March29, 2017 L-36.com


Marine Weather and Tides
Laguna Beach, CA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:39AMSunset 7:11PM Wednesday March 29, 2017 12:15 PM PDT (19:15 UTC) Moonrise 8:00AMMoonset 9:13PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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- 911 Am Pdt Wed Mar 29 2017
Today..N winds 10 to 15 kt...becoming nw in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 16 seconds.
Tonight..W winds 15 to 20 kt...becoming nw 5 to 10 kt after midnight. Wind waves 2 to 3 ft. W swell 3 to 4 ft at 15 seconds.
Thu..Winds variable 10 kt or less...becoming W 15 to 20 kt with local gusts to 25 kt in the afternoon. Strongest western portion. Wind waves 2 ft or less...becoming 2 to 4 ft in the afternoon. W swell 3 to 4 ft at 14 seconds.
Thu night..NW winds 15 to 25 kt with local gusts to 35 kt. Strongest western portion. Combined seas 5 to 7 ft dominant period 10 seconds.
Fri..N winds 15 to 20 kt with gusts to 25 kt...becoming W 10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves 2 to 4 ft. W swell 4 to 6 ft at 11 seconds.
Fri night..NW winds 10 to 20 kt...becoming N 5 to 10 kt after midnight. Wind waves 2 to 3 ft. W swell 4 to 6 ft at 12 seconds.
Sat..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 5 ft.
Sun..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
PZZ600 911 Am Pdt Wed Mar 29 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z...or 9 am pst...a 1029 mb high was located 550 nm west of point conception with another 1025 mb high in nevada. A weak trough was located along the southwest ca coast. Winds will be elevated during much of this coming week. Gales will likely return again Thursday and Friday. Short period seas will dominate the waters due to persistent northwest winds.

7 Day Forecast for Marine Location Near Laguna Beach, CA
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location: 33.54, -117.79     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 291652
afdsgx
area forecast discussion
national weather service san diego ca
950 am pdt Wed mar 29 2017

Very strong winds Thursday afternoon through evening in the
mountains and deserts...

Synopsis
Sunny and warm today with high pressure aloft and weak offshore
flow. On Thursday a strong low pressure trough moving across the
great basin will bring strong westerly winds to the mountains and
deserts. Cooler Friday as the winds shift northeast behind the
trough. Mostly sunny and warm over the weekend under weak high
pressure, but low pressure will bring cooler weather early next week.

Discussion For extreme southwestern california including orange...

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

temperatures rose quickly after sunrise today, and were 4-8 degrees
higher than yesterday morning in most areas. Clear skies and weak
offshore flow will propel temperatures into the 80s west of the
mountains except near the coast.

The ridge axis aloft today will drift southeast tonight and our
offshore flow will transition to a progressively stronger onshore
flow pattern through Thursday afternoon as a deep trough over the
pacific northwest tracks across the great basin. Strong winds
rounding the base of the trough and an elevated inversion just above
the ridgetops will support mountain wave development Thursday
afternoon. Model cross-sections show waves surfacing down the lee
slopes into the coachella valley and san diego deserts Thursday
afternoon and evening. Surface winds of 20-30 mph are likely with
peak gusts of 50-60 mph on the slopes and some parts of the desert
floor. Wind damage is possible. Blowing dust and sand will restrict
visibilities. Rotors are likely in the vicinity of palm springs
airport. A high wind watch in effect for most of the mountain and
desert areas.

The wind will quickly switch to the north late Thursday night behind
the trough, and gusty offshore north-northeast winds will follow
through Friday morning.

*from previous discussion*
high pressure will gradually build in for the weekend with
moderating temperatures and lighter winds. Another weak trough
slated for Monday and Tuesday next week will bring another cooldown
and another possible strong wind event. It is spring afterall!

Aviation
291515z... Coast and valleys... Locally gusty n-ne winds will create
pockets of llws through and below the cajon pass through 18z. Clear
skies and light afternoon sea breezes will prevail this afternoon.

Predominantly few AOA 20,000 ft msl tonight, though there some
potential for patchy fog or low stratus with bases AOB 1,000 ft msl
along the san diego county coast between 10 and 15z Thursday.

Mountains and deserts... Few AOA 20,000 ft msl and light winds will
prevail through 15z Thursday. Westerly winds and mountain wave
activity will increase after 15z, peaking around 00z Friday. This
will create strong up/downdrafts and llws over the deserts and along
the desert slopes, especially between 21z Thursday and 04z Friday.

Impacts from llws and gusty winds are possible for kpsp and ktrm.

Marine
No hazardous marine weather is expected through Thursday morning.

The passage of a cold front will bring NW winds 15-25 kt and
increasing seas Thursday afternoon into Friday. Strongest winds will
likely be found 10 miles offshore and beyond Thursday evening.

Highest combined seas are anticipated overnight Thursday into
Friday, with a 3-6 ft seas inside of 30 miles building to 7-10 ft
near and south of san clemente island. Winds and swell should
decrease over the weekend, before increasing again early next week.

Skywarn
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

Sgx watches/warnings/advisories
Ca... High wind watch from Thursday afternoon through late Thursday
night for apple and lucerne valleys-coachella valley-
riverside county mountains-san bernardino county mountains-
san diego county deserts-san diego county mountains-san
gorgonio pass near banning.

Pz... None.

Public... Moede
aviation/marine... Albright


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 21 mi46 min 61°F4 ft
46256 24 mi54 min 60°F4 ft
PRJC1 25 mi46 min SSW 7 G 7
PFXC1 27 mi46 min S 7 G 7 63°F 1016.7 hPa
PFDC1 27 mi46 min SSE 8 G 8.9
AGXC1 27 mi46 min SSE 8 G 8.9 62°F 1017.7 hPa
OHBC1 - 9410660 - Los Angeles, CA 28 mi46 min 59°F1017.8 hPa
PSXC1 28 mi46 min S 6 G 8
46222 - San Pedro, CA (092) 28 mi57 min 60°F6 ft
46242 - Camp Pendleton Nearshore, CA (043) 29 mi78 min 61°F4 ft
BAXC1 29 mi46 min S 6 G 7
PXAC1 30 mi46 min SE 7 G 8.9
46224 - Oceanside Offshore, CA (045) 30 mi46 min 62°F4 ft
46225 - Torrey Pines Outer, CA (100) 47 mi55 min 63°F5 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Ana, John Wayne Airport-Orange County Airport, CA11 mi23 minSSW 710.00 miA Few Clouds73°F52°F48%1017.1 hPa
Los Alamitos U. S. Army Airfield, CA22 mi78 minSW 310.00 miA Few Clouds74°F45°F36%1017.9 hPa

Wind History from SNA (wind in knots)
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Last 24hrW8SW9W8W9SW8W6SW5CalmSW3SE3CalmCalmCalmCalmCalmNE3CalmCalmE5CalmCalmCalmS7SW7
1 day agoSW8SW12
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SW95W10NW3CalmE4E8E5E4CalmCalmNE4CalmCalmCalmCalm34SW10
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2 days ago5S12SW9
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SW10SW5SW5W54S5SW3CalmCalmSE3CalmCalmCalmSE5CalmCalmSE54SE7SW9Calm

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Newport Beach
Click for Map
Wed -- 04:45 AM PDT     -0.29 feet Low Tide
Wed -- 06:42 AM PDT     Sunrise
Wed -- 07:59 AM PDT     Moonrise
Wed -- 10:55 AM PDT     4.82 feet High Tide
Wed -- 04:49 PM PDT     0.29 feet Low Tide
Wed -- 07:10 PM PDT     Sunset
Wed -- 09:12 PM PDT     Moonset
Wed -- 11:03 PM PDT     5.57 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.63.420.7-0.1-0.30.21.22.53.74.64.84.53.62.41.30.50.30.71.734.35.25.6

Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Wed -- 04:51 AM PDT     -0.28 feet Low Tide
Wed -- 06:42 AM PDT     Sunrise
Wed -- 08:00 AM PDT     Moonrise
Wed -- 10:51 AM PDT     4.74 feet High Tide
Wed -- 04:55 PM PDT     0.36 feet Low Tide
Wed -- 07:10 PM PDT     Sunset
Wed -- 09:12 PM PDT     Moonset
Wed -- 10:58 PM PDT     5.40 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.53.320.8-0.1-0.30.21.22.43.74.54.74.43.52.41.40.60.40.71.72.94.25.15.4

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of Southwest    EDIT
Geos

Wind Forecast for San Diego, CA (15,3,4,5)
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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.