Thursday, July18, 2019 L-36.com


Marine Weather and Tides
Isla Vista, CA

Version 3.4
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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 5:58AMSunset 8:12PM Thursday July 18, 2019 1:53 AM PDT (08:53 UTC) Moonrise 9:42PMMoonset 7:32AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 816 Pm Pdt Wed Jul 17 2019
Tonight..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 7 seconds.
Thu..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 6 seconds.
Thu 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 8 seconds.
Fri..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 8 seconds.
Fri night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds.
Sat..NW winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds.
Sat night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds. Patchy fog after midnight.
Sun..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Patchy fog.
Mon..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Patchy fog.
PZZ600 816 Pm Pdt Wed Jul 17 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 1033 mb high was located in the E pacific about 1300 nm west of eureka, with a weak coastal trough over the S california bight. This pattern will persist through late in the week.


7 Day Forecast for Marine Location Near Isla Vista, CA
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location: 34.4, -119.85     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 180410 aaa
afdlox
area forecast discussion... Updated
national weather service los angeles oxnard ca
910 pm pdt Wed jul 17 2019

Synopsis 17 657 pm.

Night through morning low clouds will continue cover the coast
and valleys throughout the week with a cooling trend through
Saturday. A four corners high pressure system will expand westward
into the region on Sunday and last through next week bringing
another spell of summertime heat.

Short term (tnt-sat) 17 908 pm.

The latest satellite imagery shows stratus becoming entrenched
across the area with clouds filling in along the central coast
and the los angeles county coast. Onshore flow beneath weak
troughing aloft should permit clouds to become more expansive
overnight and into Thursday morning. The marine layer depth is
currently near 1800 feet deep from the latest amdar soundings at
klax, which agrees well with NAM bufr time height sections and
is quite close to RAOB soundings from kvbg earlier this evening.

If NAM bufr time height sections play out, the marine layer should
deepen to around 2500 feet deep. The latest update expands the
marine layer induced stratus into the santa clarita valley and
brings in stratus a bit earlier into the salinas valley portion of
san luis obispo county.

Onshore flow will continue to strengthen into Thursday. Current
surface pressure gradient trends are trending about a millibar or
two stronger this evening than last evening. The latest model
solutions support this idea and a general cooling trend should
linger into Thursday.

***from previous discussion***
not much difference Fri Sat either. If anything maybe a degree or
two cooler Friday and a little warmer Saturday but overall very
similar days.

Long term (sun-wed) 17 142 pm.

High pressure from the southeast still expected to expand west
over california beginning Sunday. The upper high is expected to be
centered near the 4 corners by Tuesday while at the same time
onshore gradients will be trending weaker. Therefore the forecast
for warming through the period still looks good and it's just a
matter of how warm. There's the potential for temperatures to
reach the levels we saw this last weekend. And on top of that we
might also be seeing an increase in monsoon moisture by Wednesday,
especially la county.

Aviation 18 0019z.

At 2230z, the marine layer depth was around 2100 feet deep at klax.

The top of the inversion was was near 3100 feet with a
temperature around 23 degrees celsius.

Ifr to MVFR conditions will spread into coastal and valley
terminals through 10z. There is a chance of lifr conditions north
of point conception between 08z and 14z.VFR conditions should
develop later on Thursday. There is a chance of MVFR conditions
lingering at coastal terminals through much of the day.

Klax... MVFR conditions will spread into klax between 04z and 08z,
then linger through at least 17z. There is a 30 percent chance of
MVFR conditions lingering until as late as 22z.

Kbur... There is a 40 percent chance of ifr conditions at kbur
between 07z and 11z.VFR conditions should develop between 16z
and 18z.

Marine 17 817 pm.

For the outer waters... Local small craft advisory (sca) gusts
will affect the waters near point conception through late this
evening. After that the winds will remain below SCA levels through
the period, although near-sca conditions (10 to 20 kt) are
expected Friday and Saturday nights.

For the all of the inner waters, conditions will remain below
advisory levels through Monday.

Lox watches warnings advisories
Ca... None.

Pz... None.

Hazard potential outlook (sat-wed)
No significant hazards expected.

Public... Hall mw
aviation... Hall
marine... Smith
synopsis... Stewart
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 8 mi78 min E 4.1 G 6 61°F 1015.2 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 10 mi44 min WSW 9.7 G 12 59°F 60°F1015.2 hPa
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 35 mi74 min 4 ft
HRVC1 44 mi60 min 57°F 1015.1 hPa
PTGC1 - Point Arguello, CA 44 mi54 min N 9.9 G 11 56°F 1014.5 hPa (+0.4)
46251 47 mi54 min 65°F4 ft

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Barbara, Santa Barbara Municipal Airport, CA3 mi61 minE 69.00 miOvercast62°F59°F90%1014.9 hPa
Santa Ynez, Santa Ynez Airport, CA19 mi79 minN 010.00 mi54°F51°F94%1014.9 hPa

Wind History from SBA (wind in knots)
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Last 24hrCalmE5SE5CalmCalmCalmN5E3S5S6SW6S7SW7W9W10SW6SW55S4CalmSE6SE4SE5E6
1 day agoCalmCalmCalmCalmW3CalmCalmSE3SW5S6SE6SE6S7SE8SE8SE8S8SE5SE5E5SE5SE4SE3NE4
2 days agoSE6SE6CalmNE3CalmCalmCalmS3SE5SE74S4SE8SE7SE6SE8SE9SE7S7SE5SE4CalmCalmCalm

Tide / Current Tables for Santa Barbara, Pacific Ocean, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Gaviota, California
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Gaviota
Click for Map
Thu -- 05:58 AM PDT     -0.45 feet Low Tide
Thu -- 06:01 AM PDT     Sunrise
Thu -- 07:33 AM PDT     Moonset
Thu -- 12:34 PM PDT     3.82 feet High Tide
Thu -- 05:10 PM PDT     2.33 feet Low Tide
Thu -- 08:12 PM PDT     Sunset
Thu -- 09:43 PM PDT     Moonrise
Thu -- 11:19 PM PDT     5.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.44.53.21.80.6-0.2-0.4-0.20.61.52.53.33.83.83.532.62.32.52.93.74.55.25.6

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 Los Angeles/Oxnard, CA (4,6,7,8)
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Ground Weather Radar Station Los Angeles, 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.