Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
Garey, 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 7:03AMSunset 4:54PM Tuesday December 18, 2018 7:34 PM PST (03:34 UTC) Moonrise 2:12PMMoonset 2:32AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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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PZZ645 Point Piedras Blancas To Point Sal Westward Out To 10 Nm- 220 Pm Pst Tue Dec 18 2018
.small craft advisory for hazardous seas in effect through late Wednesday night...
Tonight..N winds 15 to 20 kt in the evening, becoming ne 10 to 15 kt. Wind waves 2 to 3 ft. W swell 9 to 12 ft at 15 seconds.
Wed..NE winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 9 to 10 ft at 14 seconds.
Wed night..N winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. NW swell 10 to 11 ft at 18 seconds, building to 12 to 13 ft at 18 seconds after midnight.
Thu..Winds variable 10 kt or less, becoming N 10 kt in the afternoon. Wind waves 2 ft or less. NW swell 11 to 12 ft at 17 seconds, subsiding to 10 to 11 ft at 16 seconds in the afternoon.
Thu night..NW winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 9 to 10 ft at 16 seconds.
Fri..N winds 5 to 10 kt, becoming nw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. NW swell 8 to 9 ft.
Fri night..NW winds 15 to 20 kt with gusts to 25 kt in the evening, becoming N 10 to 15 kt. Wind waves 2 to 4 ft. NW swell 8 to 9 ft.
Sat..N winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 7 to 9 ft.
Sun..N winds 15 to 20 kt with gusts to 25 kt. Combined seas 7 to 10 ft.
PZZ600 220 Pm Pst Tue Dec 18 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 22z...or 2 pm pst, a 1028 mb high was 400 nm sw of point conception. A large northwest to westerly swell will gradually subside, but continue in some spots through Thursday.


7 Day Forecast for Marine Location Near Garey, CA
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location: 34.9, -120.35     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 190118
afdlox
area forecast discussion
national weather service los angeles oxnard ca
518 pm pst Tue dec 18 2018

Aviation discussion updated...

Synopsis 18 1210 pm.

High pressure aloft will build in over the region the next
several days. A warming and drying trend with gusty northerly
winds will develop through Thursday with temperatures warming to
above seasonal levels from Wednesday to Friday. A cool down is
likely Friday, becoming more pronounced over the weekend into next
week.

Short term (tue-fri) 18 216 pm.

Upper ridge building in over california and the west coast
beginning a period of a few days with above normal temps.

Northerly flow is increasing today and will shift to northeast
wed Thu and provide an additional warming influence at lower
elevations due to the downsloping winds, especially south of pt
conception. Tonight's northerly winds should be at least
marginally advisory criteria in the hills and below passes and
canyons of the santa ynez range in SRN sb county. Sba-smx and
sba-bfl gradients are decent but the 18z NAM backed off somewhat
on the winds aloft from what the 12z run showed so it may not be
quite as strong as expected earlier nor last as long into
Wednesday. Will go with a 3am expiration for now and if winds
develop and are still going that can be extended.

Otherwise forecast more or less on track. The santa ana winds do
not appear to be advisory level strength Wed Thu but will be
enough to warm up temps with highs near 80 possible thu.

Cooling expected for coast valleys Fri as gradients trend onshore
due to an approaching trough that will will move through Friday
afternoon but generate nothing more than some clouds.

Long term (sat-tue) 18 208 pm.

The Friday trough will be the first in a line of impulses moving
through a broad west to northwest flow aloft across the eastern
pacific into next week. Through Monday none of these systems are
expected to drop far enough south to bring rain south of monterey
county. However, there will be periods of extensive mid and high
clouds, especially over the weekend. Temps on Sunday are expected
to warm up slightly as gradients briefly turn weakly offshore.

Then turn cooler Mon Tue as another possibly stronger system moves
into the area. Models differ quite a bit on this with the gfs
taking it more north and east (ie. Drier inside slider path) while
the ECMWF is much colder and farther west (though still more
inland than over water). Definitely not a sure bet for rain and
ensemble members favor the drier inside path that the operational
gfs shows. But the pattern definitely is changing next week and
precip looks to be a good bet at some point with below normal
temps and potentially low snow levels.

Aviation 19 0116z.

At 23z at klax... There was an inversion near 2250 feet. The top
of the inversion was near 5000 feet with a temperature of about 14
degrees celsius.

Overall... Moderate to high confidence in the tafs. Kprb will have
vlifr lifr conditions 10z-21z. There is a less than ten percent
chance of patchy low clouds and fog along the coast south of point
conception 10z-18z. Otherwise and elsewhereVFR conditions will
prevail.

Klax... Moderate to high confidence in the taf. There is a less
than ten percent chance of patchy low clouds and fog 10z-18z.

OtherwiseVFR conditions will prevail throughout the forecast
period. No east winds greater than eight knots will occur during
the forecast period.

Kbur... High confidence in the taf.VFR conditions will prevail
throughout the forecast period.

Marine 18 955 am.

Moderate to high confidence in the current forecast. A very large
wnw swell will continue to move through the coastal waters
through today. This swell will affect west to northwest facing
harbors, including morro bay, where dangerous breaking waves will
be possible in the harbor entrance. In addition, breaking waves
will be possible in shallower water areas outside the typical surf
zone. Moderate-to-high seas will then persist Wednesday through
Thursday.

Small craft advisory (sca) winds will affect the southern outer
waters zones (pzz673 and pzz676) through tonight or Wednesday.

Another round of SCA winds will be possible for the entire outer
waters Friday and Saturday, with a 50%-60% chance of this
occurring.

For the inner waters, winds are expected to remain below sca
levels through Saturday.

Beaches 18 959 am.

Surf heights will slowly subside the rest of today through mid
week before another large west northwest swell moves into the area
for later in the week. High surf advisories are likely to be
needed for several days.

The coastal flood advisory has expired. Water could locally spill
into normally dry beaches, beach parking lots and harbor
walkways. There is a risk of large breaking waves across the
morro bay harbor entrance, which could capsize small boats.

Some of this large swell energy has affected areas south of point
conception, impacting west-facing beaches of la, ventura, and
southern sba counties. High surf advisories remain in effect for
this area through 10 pm pst this evening, where west-facing
beaches will generally see 6 to 10 foot breakers, with the
highest surf for the ventura county coast. Local sets to 12 feet
will likely continue across ventura harbor as well. Surf of 5 to 8
feet is expected for the santa barbara south coast, highest on
beaches that have some west exposure, such as rincon point.

High surf could continue at least through Wednesday morning for
all areas.

Lox watches warnings advisories
Ca... High surf advisory in effect until 4 pm pst Thursday for
zones 34-35-40. (see laxcfwlox).

High surf advisory in effect until 10 pm pst this evening for
zones 39-41-87. (see laxcfwlox).

Wind advisory in effect until 3 am pst Wednesday for zones
39-52. (see laxnpwlox).

Pz... Small craft advisory for hazardous seas in effect until 2 am
pst Thursday for zones 645-670. (see laxmwwlox).

Small craft advisory for hazardous seas in effect until 3 am
pst Wednesday for zone 650. (see laxmwwlox).

Small craft advisory in effect until 3 pm pst Wednesday for
zone 673. (see laxmwwlox).

Small craft advisory in effect until 3 am pst Wednesday for
zone 676. (see laxmwwlox).

Hazard potential outlook (fri-tue)
No significant hazards expected.

Public... Mw
aviation... Kj
marine... Sweet
beaches... Sweet
synopsis... Hall stewart rk
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTGC1 - Point Arguello, CA 27 mi35 min NNW 30 G 32 59°F 1022.7 hPa (-0.0)
PSLC1 - 9412110 - Port San Luis, CA 28 mi41 min N 9.9 G 18 62°F 58°F1024.6 hPa
CPXC1 28 mi23 min N 11 G 15 61°F 1024.4 hPa41°F
46215 - Diablo Canyon, CA (076) 34 mi38 min 60°F9 ft
HRVC1 35 mi35 min 59°F 1023.8 hPa (+0.6)
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 36 mi45 min NNW 16 G 19 60°F 60°F12 ft1024.1 hPa (+0.3)
46218 - Harvest, CA (071) 38 mi35 min 60°F13 ft
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 44 mi25 min 25 G 31
NTBC1 - Santa Barbara, CA - 9411340 49 mi59 min NNE 1.9 G 2.9 57°F 1020.9 hPa

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Maria Public Airport/Capt G Allan Hancock Field, CA5 mi44 minN 1310.00 miFair60°F45°F58%1023.6 hPa
Lompoc, Vandenberg Air Force Base, CA16 mi97 minN 108.00 miFair54°F49°F85%1023.4 hPa
Lompoc, Lompoc Airport, CA17 mi99 minVar 510.00 miFair57°F48°F72%1022.7 hPa

Wind History from SMX (wind in knots)
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Last 24hrCalmCalmCalmW5NW9NW9W5W4NW7NW11NW10NW10NW8W7N6NW7NW8NW14NW14NW13NE10NE12N10
G17
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1 day agoCalmCalmSE4CalmS4E9SE7S4E3E4S4S3NE3CalmCalmNW7
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NW5W3W4NW10W12NW12NW7NW3
2 days agoSE3S5CalmE3CalmCalmE3E5E3CalmNE3CalmCalmS3NW8NW18
G24
NW6SE4CalmNW10W8W4CalmE4

Tide / Current Tables for Avila, California
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Avila
Click for Map
Tue -- 02:34 AM PST     Moonset
Tue -- 06:15 AM PST     2.33 feet High Tide
Tue -- 07:05 AM PST     Sunrise
Tue -- 01:22 PM PST     -2.00 feet Low Tide
Tue -- 02:13 PM PST     Moonrise
Tue -- 04:53 PM PST     Sunset
Tue -- 07:18 PM PST     0.46 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-0.8-0.20.61.422.32.21.70.9-0.1-1-1.6-2-1.9-1.5-0.9-0.30.20.40.40.1-0.4-0.8

Tide / Current Tables for Port San Luis Wharf, California
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Port San Luis Wharf
Click for Map
Tue -- 02:34 AM PST     Moonset
Tue -- 06:35 AM PST     5.27 feet High Tide
Tue -- 07:05 AM PST     Sunrise
Tue -- 01:32 PM PST     0.69 feet Low Tide
Tue -- 02:13 PM PST     Moonrise
Tue -- 04:53 PM PST     Sunset
Tue -- 07:25 PM PST     3.57 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.62.233.94.75.25.24.84321.20.70.71.11.82.63.23.53.53.22.62

Weather Map and Satellite Images
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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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Wind Forecast for Los Angeles/Oxnard, CA (22,6,7,8)
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Ground Weather Radar Station Vandenberg AFB, CA
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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.