Monday, January22, 2018 L-36.com


Marine Weather and Tides
McKittrick, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
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 7:04AMSunset 5:22PM Monday January 22, 2018 11:40 AM PST (19:40 UTC) Moonrise 10:26AMMoonset 10:46PM Illumination 35% Phase: Waxing Crescent; Moon at 6 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- 840 Am Pst Mon Jan 22 2018
.small craft advisory for hazardous seas in effect through late tonight...
Today..Winds variable 10 kt or less, becoming nw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. NW swell 9 to 11 ft at 15 seconds. Slight chance of showers.
Tonight..NW winds 10 to 15 kt in the evening, becoming N 5 to 10 kt. Wind waves 2 ft or less. NW swell 9 to 10 ft at 14 seconds.
Tue..N winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 7 to 8 ft at 14 seconds.
Tue night..N winds 10 to 15 kt in the evening, becoming ne 5 to 10 kt. Wind waves 2 ft or less. NW swell 6 to 7 ft at 13 seconds.
Wed..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. NW swell 5 to 6 ft at 12 seconds. Patchy fog in the afternoon. Slight chance of showers in the afternoon.
Wed night..Winds variable 10 kt or less in the evening, becoming W 10 to 15 kt. Wind waves 2 ft or less. W swell 5 to 6 ft at 12 seconds. Showers likely.
Thu..NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 9 to 12 ft. Chance of showers.
Fri..N winds 15 to 20 kt. Combined seas 9 to 12 ft.
PZZ600 840 Am Pst Mon Jan 22 2018
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z...or 8 am pst...a 1030 mb high was 400 nm W of point conception and a 1034 mb high was over utah. Weak lower pres was located along the coast of sw ca. Another large nw swell will move across the outer waters today.

7 Day Forecast for Marine Location Near McKittrick, CA
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location: 35.33, -120     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 221829
afdlox
area forecast discussion
national weather service los angeles oxnard ca
1029 am pst Mon jan 22 2018

Synopsis
Conditions will be primarily warm and dry through early next
week, though there is a slight chance of light showers along the
central coast on Monday. A weak cold front will push through the
region later in the week, bringing cooler temperatures, gusty
winds, and possible rain and mountain snow showers.

Short term (tdy-wed)
a rapidly decaying frontal boundary is struggling to hold together
as it moves through monterey county this morning. If it does
manage to survive into slo county it will only drop very light
precip and likely not even enough to measure in most areas today.

Otherwise today will have lots of sunshine in most areas,
especially south of pt conception, and warmer temps with highs 3-6
degrees warmer than Sunday on average.

The next system for Thu is looking very weak as well and very
likely just a slo and maybe NRN sba county event again at best.

***from previous discussion***
a modest 1037 mb surface high pressure system is expected to build
in behind the departing cold front Tuesday into Wednesday. This
will bring an uptick in offshore flow by Tuesday late morning
continuing into Wednesday morning, supporting breezy offshore
winds. The increase in offshore winds and a ridge of high pressure
building in aloft will support 5 to 10 degrees of warming for
many areas, greatest for coastal areas south of point conception
Tuesday with continued warm conditions for most areas Wednesday.

Although a switch to onshore flow for the central coast may
support some cooling there Wednesday with patchy low clouds and
fog possibly returning during the late afternoon or evening
hours. Mid and high level clouds will likely be on the increase
from north to south late Wednesday. There is the slight chance of
light showers for the slo portion of the central coast late
Wednesday ahead of a cold front approaching from the northwest.

Long term (thu-sun)
above average model agreement continues into the long term
providing above average confidence in the forecast details.

However, model trends have backed off on the strength of a cold
front and associated precipitation for Thursday into Friday. The
cold front is currently expected to push through the region from
west to east Thursday with mainly light showers focused north of
point conception. Though there is a slight chance of light showers
working there way down to ventura county and the mountains of los
angeles county. Have cut rainfall amounts in half with this
forecast package. Most areas will likely see one tenth of an inch
or less (again focused to the north of point conception), except
the coastal range of slo county where up to around one quarter of
an inch is possible. Snow levels, initially high (above 7000
feet) could drop to as low as around 4000 feet behind the front.

However, with the lighter precipitation amounts currently
expected, light snow accumulations would likely be reserved to
the highest elevations. Lower heights thicknesses and cloud cover
will bring near to below normal temperatures (60s for coastal
areas and 50s for interior) to the region Thursday with limited
warming Friday.

Surface high pressure building into the great basin by Friday,
then shifting east to the central rockies over the weekend. This
may support advisory level north winds late Thursday into Friday
focused across the mountains and southern santa barbara county
with a weak to moderate santa ana possible for this upcoming
weekend. A moderate ridge of high pressure aloft (h5 around 580
dm) will likely build into the region by next weekend. This
combined with the offshore flow will bring considerable warming
and drying for this weekend with high temperatures possibly
breaking 80 across warmer valleys and interior coastal areas.

Aviation 22 1800z.

At 1756z at klax, there was no marine layer and there was no sfc
based inversion.

High confidence in cavu tafs. There is a 20 percent chc of some
sprinkles over slo county this morning.

Klax and kbur... High confidence in cavu taf.

Marine 22 900 am
across the southern outer waters zones (pzz673, pzz676) SCA conds
for seas are likely much of the time through Tue night due to a
combination of winds and seas.

Across the northern outer waters zone (pzz670) SCA conds are
likely again thru tonight due to seas. SCA seas are expected to
move into the nearshore waters north of point sal (pzz645) during
this time as well.

Across the sba channel and the southern inner waters, SCA conds
are not expected until thu.

Another long period swell is expected Thu into fri.

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

Pz... Small craft advisory for hazardous seas in effect until 4 am
pst Tuesday for zones 645-670. (see laxmwwlox).

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

Hazard potential outlook (wed-sun)
gusty winds are possible Thursday and Friday over the mountains
and southern santa barbara county. Gusty santa ana winds could
develop over next weekend.

Public... Mw munroe
aviation... Sweet
marine... Sweet
synopsis... Kj
weather.Gov losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSLC1 - 9412110 - Port San Luis, CA 41 mi40 min S 6 G 7 59°F 57°F1028.4 hPa (+0.3)
CPXC1 41 mi24 min SSW 5.1 G 7 58°F 1027.9 hPa40°F
46215 - Diablo Canyon, CA (076) 46 mi73 min 56°F10 ft
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 60 mi50 min NNW 9.7 G 14 55°F 57°F13 ft1028 hPa (+0.7)

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Luis Obispo, San Luis Obispo County-Mc Chesney Field, CA34 mi44 minNW 1210.00 miFair63°F36°F37%1027.2 hPa

Wind History from SBP (wind in knots)
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Last 24hrNW8N9N10NW16NW12NW10NW12N4CalmSE4CalmCalmCalmCalmCalmCalmCalmCalmCalmSE4SE4CalmNW10NW12
1 day ago6W8NW11NW15NW15NW12NW7NW6NW5NW4N6NW6SW3CalmCalmW7E4SE3E4CalmCalmCalmCalmCalm
2 days agoNW11N9N9W12W14NW13
G20
N5NW4NW3NW4N5NW4NW6NW6W6NW9NW75NW3--N6N94N7

Tide / Current Tables for Avila, California
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Avila
Click for Map
Mon -- 01:33 AM PST     1.29 feet High Tide
Mon -- 07:04 AM PST     -0.39 feet Low Tide
Mon -- 07:08 AM PST     Sunrise
Mon -- 10:28 AM PST     Moonrise
Mon -- 12:31 PM PST     1.25 feet High Tide
Mon -- 05:21 PM PST     Sunset
Mon -- 07:22 PM PST     -1.95 feet Low Tide
Mon -- 10:50 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.91.21.310.60.1-0.3-0.4-0.300.50.91.21.20.90.4-0.3-1.1-1.6-1.9-1.9-1.5-0.9-0.1

Tide / Current Tables for Port San Luis Wharf, California
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Port San Luis Wharf
Click for Map
Mon -- 01:34 AM PST     3.99 feet High Tide
Mon -- 07:01 AM PST     2.26 feet Low Tide
Mon -- 07:08 AM PST     Sunrise
Mon -- 10:28 AM PST     Moonrise
Mon -- 12:36 PM PST     4.11 feet High Tide
Mon -- 05:21 PM PST     Sunset
Mon -- 07:29 PM PST     0.75 feet Low Tide
Mon -- 10:50 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.63.943.73.22.82.42.32.42.83.33.74.14.13.83.22.51.71.10.80.81.21.82.6

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 (14,3,4,5)
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Ground Weather Radar Station Vandenberg AFB, 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.