Wednesday, May24, 2017 L-36.com


Marine Weather and Tides
Summerland, CA

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 5:49AMSunset 8:02PM Tuesday May 23, 2017 9:11 PM PDT (04:11 UTC) Moonrise 4:30AMMoonset 5:44PM Illumination 2% Phase: Waning Crescent; Moon at 28 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- 846 Pm Pdt Tue May 23 2017
Tonight..W winds 15 to 20 kt with local gusts to 25 kt. Strongest western portion. W swell 3 to 4 ft at 15 seconds. Patchy dense fog with vsby 1 nm or less.
Wed..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 1 to 2 ft at 11 seconds. Patchy fog in the morning.
Wed night..W winds 10 to 20 kt with local gusts to 25 kt... Becoming 10 to 15 kt after midnight. Strongest western portion. Wind waves 2 to 4 ft. W swell 1 to 2 ft at 12 seconds.
Thu..Winds variable 10 kt or less...becoming S 10 kt in the afternoon. Wind waves 2 ft or less. W swell 1 to 2 ft at 12 seconds.
Thu night..W winds 10 kt in the evening...becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 1 to 2 ft at 11 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 1 to 2 ft at 10 seconds.
Fri night..W winds 10 to 15 kt...becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 ft at 10 seconds.
Sat..W winds 15 to 20 kt. Combined seas 3 to 5 ft.
Sun..W winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 4 ft.
PZZ600 846 Pm Pdt Tue May 23 2017
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...high pressure was located in the eastern pacific and a 1006 mb low was along the arizona- california border.

7 Day Forecast for Marine Location Near Summerland, CA
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location: 34.4, -119.6     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 240151
afdlox
area forecast discussion... Updated
national weather service los angeles oxnard ca
651 pm pdt Tue may 23 2017

Synopsis
A low pressure system will approach by midweek and spread night
through morning low clouds and fog farther inland. A cooling
trend will continue through the end of the week. High pressure
aloft will build in over the weekend to bring warmer conditions
for early next week and push marine layer clouds back to the
coast.

Short term (tue-fri)
a big southwest surge during the late morning hours pushed the
marine lyr and cool maritime air back to the beaches after briefly
clearing earlier in the morning. Temps also spiked unusually
early today as a result with some coastal areas reaching their
high for the day before 10am. The southwest push appears to be
weakening and shifting to a more traditional west northwest flow
and clouds are starting to break up so there could be a secondary
mid to late afternoon temperature spike.

Marine lyr expected to deepen tonight as we start to feel the
effects of a trough and the upper low to our southwest. Between
that and the increasing onshore flow highs Wednesday expected to
drop area-wide with the biggest drops from the valleys inland.

Also expecting to get at least near advisory level westerly winds
across the antelope valley by afternoon with the lax-dag gradient
close to 10mb. Keeping thunderstorms out of the forecast as
models still aren't showing enough moisture below 500 mb to
warrant much of a threat at this time, but still something to keep
an eye on as the instability is certainly there, especially across
the ventura sb mountains.

More significant marine lyr deepening expected Thu fri, up to
4000' or higher as the trough deepens across the west. Could see
some early morning drizzle either day, though a slightly better
chance Friday. Temps will drop further with most coast valley
areas not getting out of the 60s. Skies will be very slow to
clear, if they do at all, and by Friday we could see a reverse
clearing trend. Continued breezy with advisory level winds likely
across the av.

Long term (sat-tue)
ridging over the weekend will bring a warming trend to all areas,
though highs will still be a few degrees below normal Saturday,
then warming to near to a few degrees above normal Sunday and
Monday. Marine lyr will shrink but still be around. Weak troughing
for Tuesday will begin a cooling trend.

Aviation 24 0000z.

At 00z, the marine layer was around 800 feet deep at klax. The
top of the inversion was around 1900 feet with a temperature near 27
degrees celsius.

Low-to-moderate confidence in the current forecast. Lifr to ifr
conditions will spread into coastal terminals through 08z.

Conditions should gradually improve to ifr to MVFR after 08z
through 16z, but there is a chance of lifr to ifr conditions
lingering as much as 5 hours later than forecast. There is a
chance of lifr to ifr conditions at valley terminals after 08z.

MVFR conditions could remain through much of Wednesday at
immediate coastal terminals.

Klax... Ifr conditions will spread into klax through 05z, then
lower to lifr through 08z. There is a chance of lifr to ifr
conditions lingering until as late as 13z. Forecast scatters out
clouds at 20z, but there is a 40 percent chance that MVFR
conditions could remain through much of Wednesday.

Kbur...VFR conditions are expected through at least 09z, then
there is a 50 percent chance of lifr to ifr conditions through
16z.

Marine 23 600 pm.

For the waters north of point sal, high confidence in winds and
seas remaining below SCA levels through Friday. By Saturday,
there is a chance of winds increasing to SCA levels.

For the waters south of point sal, there is a 80 percent chance
of SCA winds developing tonight. Otherwise, winds and seas should
remain below SCA levels through Friday. By Saturday, there is a
chance of winds increasing to SCA levels, especially across the
outer waters portion.

Lox watches warnings advisories
Ca... None.

Pz... Small craft advisory in effect until 9 pm pdt this evening
for zones 650-655. (see laxmwwlox).

Small craft advisory in effect until 3 am pdt Wednesday for
zones 673-676. (see laxmwwlox).

Hazard potential outlook (fri-tue)
advisory level southwest winds are possible Thursday through
Friday across the mountains and deserts.

Public... Mw
aviation... Hall
marine... Hall
synopsis... Stu hall
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 5 mi41 min WSW 5.1 G 7 56°F 1012.4 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 17 mi31 min 1012.5 hPa
46217 - Anacapa Passage, CA (111) 18 mi41 min 58°F3 ft
46251 44 mi20 min 60°F4 ft
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 47 mi31 min WNW 21 G 25 53°F 55°F1012.3 hPa52°F

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, CA12 mi18 minSE 49.00 miFair56°F54°F93%1011.8 hPa

Wind History from SBA (wind in knots)
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Last 24hrE4E5E8SE7E7SE7SE8SE5S6CalmCalmW5SW76W6W6W8W9W9W5SW4SW3CalmSE4
1 day agoE4E4E5E5E5E8SE6E7SE6SE6SE6SE6S6S5S76S6W8W9W7W5S5SW4S3
2 days agoCalmSE3SE3E4SE3CalmCalmCalmNE3E4SE9SE7S7S5S7SW6SW5W8SW11SW8W54SE3Calm

Tide / Current Tables for Santa Barbara, Pacific Ocean, California
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Santa Barbara
Click for Map
Wed -- 03:21 AM PDT     -0.57 feet Low Tide
Wed -- 05:13 AM PDT     Moonrise
Wed -- 05:50 AM PDT     Sunrise
Wed -- 09:40 AM PDT     4.19 feet High Tide
Wed -- 02:51 PM PDT     1.23 feet Low Tide
Wed -- 06:54 PM PDT     Moonset
Wed -- 08:01 PM PDT     Sunset
Wed -- 09:12 PM PDT     6.44 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.81.30.1-0.5-0.40.21.32.53.54.14.23.832.11.41.21.62.53.7566.46.25.4

Tide / Current Tables for Rincon Island, Mussel Shoals, California
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Rincon Island
Click for Map
Wed -- 03:19 AM PDT     -0.81 feet Low Tide
Wed -- 05:12 AM PDT     Moonrise
Wed -- 05:49 AM PDT     Sunrise
Wed -- 09:33 AM PDT     4.34 feet High Tide
Wed -- 02:53 PM PDT     0.97 feet Low Tide
Wed -- 06:53 PM PDT     Moonset
Wed -- 07:59 PM PDT     Sunset
Wed -- 09:12 PM PDT     6.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.61-0.2-0.8-0.70.11.32.63.64.24.33.82.91.91.211.42.33.6566.56.35.3

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 Los Angeles/Oxnard, CA (0,6,7,8)
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Ground Weather Radar Station Los Angeles, 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.