Saturday, May25, 2019 L-36.com


Marine Weather and Tides
Avilla Beach, 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 5:50AMSunset 8:07PM Saturday May 25, 2019 7:55 PM PDT (02:55 UTC) Moonrise 12:14AMMoonset 10:54AM Illumination 54% Phase: Third Quarter Moon; Moon at 22 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
    EDIT      (on/off)   Help
PZZ670 Point Piedras Blancas To Point Sal From 10 To 60 Nm- 222 Pm Pdt Sat May 25 2019
.small craft advisory in effect through Sunday evening...
Tonight..NW winds 10 to 20 kt with gusts to 25 kt. Strongest western portion. Combined seas 7 to 8 ft dominant period 9 seconds. Chance of rain after midnight.
Sun..NW winds 15 to 20 kt with gusts to 25 kt. Strongest western portion. Combined seas 8 to 9 ft dominant period 10 seconds. Showers likely.
Sun night..NW winds 15 to 20 kt with gusts to 25 kt, becoming 10 to 20 kt. Combined seas 7 to 8 ft dominant period 10 seconds. Chance of showers in the evening.
Mon..NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 5 to 6 ft at 9 seconds.
Mon night..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 5 to 6 ft dominant period 9 seconds. Patchy fog after midnight.
Tue..NW winds 15 to 20 kt with gusts to 25 kt, becoming 20 to 25 kt in the afternoon. Combined seas 5 to 6 ft dominant period 9 seconds. Patchy fog in the morning.
Tue night..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 5 to 6 ft dominant period 9 seconds.
Wed..NW winds 15 to 25 kt. Combined seas 5 to 7 ft.
Thu..NW winds 10 to 20 kt with gusts to 25 kt. Wind waves 2 to 4 ft. NW swell 4 to 5 ft.
PZZ600 222 Pm Pdt Sat May 25 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 2 pm pdt, a 1028 mb high pressure center was located 550 nm west of eureka california and a 1006 mb low pressure center was located over southern nevada.


7 Day Forecast for Marine Location Near Avilla Beach, CA
   Hourly   EDIT   Help
location: 35.17, -120.74     debug


Area Discussion for - Los Angeles/Oxnard, CA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 klox 260046
afdlox
area forecast discussion... Updated
national weather service los angeles oxnard ca
546 pm pdt Sat may 25 2019

Synopsis 25 128 pm.

Except for lingering stratus over the central coast, today should
be party cloudy with a chance of thunderstorms over the mountains.

A low pressure system approaches the region tonight increasing
cloud cover and bringing a chance of showers through Sunday, with
isolated thunderstorms over the interior areas and mountain snow.

A warming and drying trend is expected early next week.

Short term (tdy-tue) 25 217 pm.

Marine stratus remained on the central coast and into the santa ynez
vly early this afternoon, with no change expected thru the rest of
the day. Much of the rest of the coast and vlys can expected mostly
sunny skies thru the afternoon.

In the mtns, CU were building and scattered showers were developing
as an upper level trof moves into the region. The 12z NAM was
forecasting surface-based lis to fall to -4 to near -6 this
afternoon in the mtns, especially for slo sba vtu counties. Pwat
values near 0.75-1.00 inch is expected as well. In addition, the
strong may sunshine and forecasted mu CAPE of 500-1000 j kg will
all help to bring a decent chance of thunderstorms in these areas
thru into this evening. Brief heavy showers and small hail will be
potential threats with any thunderstorm development.

Decent onshore flow will prevail this afternoon as NAM forecasted
gradients lax-dag peak around +7.4 mb at 00z. Some gusty S to w
winds an be expected for the foothills, mtns and deserts this
into early this evening.

Temps today are expected to be 6-12 deg below normal, with highs in
the warmest vlys and inland coastal areas reaching the mid 60s to
low 70s.

The aforementioned upper level trof will slowly move E thru tonight.

A rather potent upper level low pressure system for this time of
year (as low as 543 dm at h5) is forecast to move to the far NRN ca
coast by late tonight then SE into central ca on sun. This system
will continue tracking SE into sern ca Sun night then E into NRN az
on mon. A broad NW flow aloft will be over SRN ca Mon night. A fast-
moving and weak upper level disturbance should move into swrn ca
from the N on tue.

The marine layer should deepen quite a bit tonight with low clouds
expanding into the coast, vlys and into the mtns with some light
rain a good possibility for many of these areas. This will continue
into Sun morning as well, and even expand in coverage thru the
morning as the upper level low approaches the area. The upper level
low will quickly lower h5 heights and bring in colder air aloft thru
sun afternoon, down to -20 deg c over NRN l.A. County to as low as -
26 deg c for NRN slo county. The 12z NAM does not indicate much
instability over the fcst area on Sun likely due to cloud cover, but
surface-based lis were still 0 to -2 over portions of the mtns to
nrn slo county in the afternoon. The area will also be under the
left exit region of a 120 kt jet Sun afternoon. Altho the NAM mos
was showing a slight chance of thunderstorms over a large portion of
swrn ca, for now will keep a slight chance of thunderstorms over the
mtns, antelope vly, cuyama vly and interior slo county vlys for sun
afternoon and early evening. Otherwise, showers and mountain snow
showers will be likely across most of the fcst area thru sun
afternoon, with decreasing showers Sun evening.

Rainfall totals are expected to generally be under 0.10 to 0.25 inch
for the coast and vlys, except up to 0.50 inch in some foothill
areas, and 0.25 to 0.75 inch in the mtns with local amounts up to
1.00 inch possible. Snow levels will fall to 6000 to 6500 feet on
Sunday, then drop further to 4500 to 5500 feet Sunday night, with
accumulating snow expected over a wide area above 5000 to 5500 feet.

It looks like up to 1 inch of snow will be possible below 5500 feet,
with about 2 to 4 inches between 6000 and 6500 feet, and about 3 to
6 inches with local higher amounts above 6500 feet. The highest
peaks may see accumulations up to 8 or 9 inches.

Gusty mainly sub-advisory level south to west winds will also affect
the mtns, producing reduced visibilities in snow and blowing snow.

Expect wintry driving conditions in the mtns above 5000 to 6000 feet
Sunday into Sunday night, with snow and ice covered roads. These
conditions are more typical in a mid-winter storm. If you plan on
going into the mtns Sunday, be prepared for hazardous driving
conditions and dress for winter weather.

With the unusual winter-like storm expected, a snow advisory has
been issued for the ventura and los angeles county mtns from 6 am
sun thru 3 am Mon for the accumulating snow and gusty winds. Please
see the latest winter weather message (laxwswlox) for further
details.

There will be a slight chance of rain and snow showers thru late sun
night in the mtns, otherwise dry weather can be expected later sun
night thru Mon across the region. Decreasing cloudiness can also be
expected thru mon, with a fair amount of sunshine for Mon afternoon.

Marine layer clouds and fog are forecast to return to much of the
coast and vlys Mon night into Tue morning, otherwise mostly clear
skies can be expected thru Tue with breezy onshore winds tue
afternoon.

Temps will be well below normal in all areas on sun, as much as 15-
25 deg or more below seasonal norms. It will be so chilly on sun
that many climate stations will likely have near record to record
cold high temps for that date. For example, the lowest MAX temp
recorded for may 26th at downtown l.A. Is 63 deg set in 1947 while
the fcst MAX temp on Sun there is 61 deg. Temps for Mon will turn
warmer but still be at least 5-15 deg below normal for many areas.

Highs will turn much warmer on Tue but remain 3-7 deg below normal
overall.

Long term (wed-sat) 25 218 pm.

The ec and GFS are in generally good agreement in the extended
period. Another weak upper level trof will move into the forecast
area on wed, then broad upper level troffiness will persist over
the region Thu thru sat.

There will be a slight chance of showers in the mtns in the
afternoon and early evening Wed and thu, with a small chance of a
thunderstorm (less than 15%). Otherwise, clear to partly cloudy
skies with varying amounts of night and morning low clouds and fog
for the coast and vlys can be expected. Temps will have minor day-to-
day changes thru the extended period, but overall remain several
degrees below seasonal norms.

Aviation 26 0007z.

At 2330z at klax... There was no marine layer nor was there a sfc
based inversion.

Low confidence in tafs. MVFR level CIGS will form over the coastal
and vlys TAF sites ksba and south fairly randomly from 05z to 11z.

Dz could develop at any cstl or vly TAF site from 09z-15z. Light
rain will develop across the entire area from 14z to 20z. There is
a 30 percent chc of ifr CIGS and vis at all sites after 14z.

Klax... Low confidence in taf. MVFR level CIGS could form anytime
between 07z-12z. Dz could develop anytime from 11z-15z. Light
rain will develop sometime between 16z to 20z. There is a 30
percent chc of ifr CIGS and vis after 14z. There is a 20 percent
chc of an 8 kt east wind component 11z-15z.

Kbur... Low confidence in taf. MVFR level CIGS could form anytime
between 09z-14z. Dz could develop anytime from 12z-16z. Light
rain will develop sometime between 16z to 20z. There is a 30
percent chc of ifr CIGS and vis after 14z.

Marine 25 140 pm.

For the outer waters... There is a sixty percent chance of small
craft advisory (sca) level winds late this afternoon and evening
and again tomorrow afternoon and evening. SCA level winds are
likely Monday afternoon through Wednesday.

For the inner waters north of pt sal... There is a forty percent
chance of SCA conditions during the afternoon and evening hours
tomorrow through Tuesday, otherwise conditions will remain below
sca levels.

For the inner waters south of pt conception... There is a twenty
percent chance of SCA level winds across the western half of the
santa barbara channel tomorrow afternoon and evening. For Monday
afternoon and evening, SCA level winds are likely across the
western half of the santa barbara channel and there is a thirty
percent chance of SCA level winds across western portions of the
southern inner waters. Otherwise conditions will remain below sca
levels.

Lox watches warnings advisories
Ca... Winter weather advisory in effect from 6 am Sunday to 3 am
pdt Monday for zones 53-54. (see laxwswlox).

Pz... Small craft advisory in effect until 9 pm pdt Sunday for
zones 670-673-676. (see laxmwwlox).

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

Public... Sirard
aviation... Rorke
marine... Kj
synopsis... Stewart
weather.Gov losangeles


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CPXC1 0 mi24 min WNW 14 G 16 56°F 1012.9 hPa45°F
PSLC1 - 9412110 - Port San Luis, CA 1 mi38 min WNW 7 G 14 57°F 53°F1013 hPa
46215 - Diablo Canyon, CA (076) 7 mi86 min 52°F6 ft
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 21 mi66 min NW 5.8 G 9.7 56°F 56°F6 ft1012.6 hPa (-0.7)
PTGC1 - Point Arguello, CA 41 mi56 min N 12 G 13 55°F 1012.3 hPa (-0.7)
46259 49 mi56 min 60°F10 ft
HRVC1 49 mi38 min 1012.8 hPa

Wind History for Port San Luis, CA
(wind in knots)    EDIT      (on/off)   Help
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
Last
24hr
W15
W6
G11
W8
S1
NW2
N1
S1
W3
W4
NE8
SW4
N3
SE1
SE3
S3
SE3
W13
W14
G20
W13
G19
W8
G15
W12
G18
W10
G15
W13
G17
W9
1 day
ago
SE4
S2
SE2
E2
W1
W1
NW2
N1
W1
--
--
--
SE1
S2
W9
W14
W20
W25
W23
W21
G27
W17
G21
W16
G20
W13
G16
W17
2 days
ago
SW3
G7
W10
G13
SW1
W1
S3
SW1
SW1
E1
--
--
S4
S5
S6
S6
G9
S6
SE7
S9
S9
S10
SW6
G11
S8
S5
SE3
S3

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Luis Obispo, San Luis Obispo County-Mc Chesney Field, CA7 mi60 minNW 1110.00 miOvercast56°F44°F65%1012.2 hPa
Santa Maria Public Airport/Capt G Allan Hancock Field, CA24 mi65 minWNW 107.00 miOvercast58°F46°F67%1013 hPa

Wind History from SBP (wind in knots)
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
Last 24hrNW8NW7NW9NW5NW6NW7SW3CalmCalmNW4NW8NW6CalmCalmCalmSW4S3N5NW9NW7NW12NW14NW14NW11
1 day agoSE6S4SE4SE4SE3CalmCalmW3W3CalmCalmCalmCalmCalmCalm4NW15
G21
NW17
G22
NW17
G21
NW17
G23
NW18
G21
NW15NW14NW12
2 days agoNW11NW10NW9N5NW7CalmNW3W6NW3CalmE5S3S4CalmCalmSW7SW7SW10SW11SW8S9SW8S6S5

Tide / Current Tables for Avila, California
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Avila
Click for Map
Sat -- 01:14 AM PDT     Moonrise
Sat -- 01:44 AM PDT     1.61 feet High Tide
Sat -- 05:52 AM PDT     Sunrise
Sat -- 10:02 AM PDT     -2.55 feet Low Tide
Sat -- 11:54 AM PDT     Moonset
Sat -- 06:05 PM PDT     1.17 feet High Tide
Sat -- 08:07 PM PDT     Sunset
Sat -- 10:43 PM PDT     0.64 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
1.31.51.61.410.4-0.4-1.2-1.9-2.4-2.6-2.4-1.9-1.2-0.50.20.711.21.10.90.80.70.6

Tide / Current Tables for Morro Bay, California
   EDIT      (on/off)   Help   One Week of Data
Morro Bay
Click for Map
Sat -- 01:15 AM PDT     Moonrise
Sat -- 03:30 AM PDT     3.84 feet High Tide
Sat -- 05:52 AM PDT     Sunrise
Sat -- 11:20 AM PDT     0.34 feet Low Tide
Sat -- 11:54 AM PDT     Moonset
Sat -- 06:23 PM PDT     3.20 feet High Tide
Sat -- 08:08 PM PDT     Sunset
Sat -- 11:50 PM PDT     2.52 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
2.93.33.63.83.83.532.31.71.10.60.40.40.81.52.12.733.23.23.12.92.72.6

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (22,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Vandenberg AFB, CA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.