Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
Albion, 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 7:25AMSunset 4:53PM Tuesday December 18, 2018 3:35 AM PST (11:35 UTC) Moonrise 2:21PMMoonset 2:50AM Illumination 83% 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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PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 213 Am Pst Tue Dec 18 2018
.hazardous seas warning in effect until 1 pm pst this afternoon...
Today..S winds 15 to 25 kt. Waves sw building to 7 ft at 8 seconds...and W 15 ft at 16 seconds. Rain.
Tonight..SE winds 5 to 10 kt. Waves S 5 ft at 7 seconds...and W 13 ft at 14 seconds. Scattered showers.
Wed..S winds 5 to 10 kt. Waves W 21 ft at 16 seconds.
Wed night..S winds 5 to 10 kt. Waves W 15 ft at 15 seconds.
Thu..SE winds 10 to 20 kt. Waves W 13 ft at 16 seconds.
Fri..NW winds 5 to 10 kt. Waves nw 3 ft at 5 seconds...and nw 10 ft at 13 seconds.
Sat..SW winds 5 to 10 kt. Waves N 7 ft at 15 seconds.
PZZ400 213 Am Pst Tue Dec 18 2018
Synopsis for northern california waters..An approaching front will generate another round of strong to gale force south winds and steep wind waves this morning. Meanwhile, a large long period westerly swell will slowly decay today. Marine conditions are expected to remain hazardous through the week due to an active storm track.


7 Day Forecast for Marine Location Near Albion, CA
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location: 39.22, -123.77     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 172300
afdeka
area forecast discussion
national weather service eureka ca
300 pm pst Mon dec 17 2018

Synopsis After a brief break in precipitation, another frontal
system will bring more rain and gusty winds to the area late
tonight into Tuesday. Yet another system will then impact the area
on Thursday.

Discussion This afternoon's satellite imagery shows northwest
california situated in quasi-zonal flow aloft between a longwave
trough over the northeast pacific and a relatively flat ridge
over the subtropical pacific. The resultant broad onshore flow is
yielding cloudy but mostly dry conditions across the area this
afternoon, however rain will begin to spread back into the region
this evening ahead of an approaching frontal system supported by a
160 knot jet MAX riding over the top of the ridge towards the
southern oregon coast. Light overrunning precipitation will begin
this evening across the northern extent of the area ahead of a
weakening warm front, then become heavier and sink southward
across the rest of the area during the day on Tuesday as a cold
front follows closely behind. Rainfall totals will be highest
across del norte county, where as much as 2.5 to 3 inches will be
possible over interior areas. Amounts will be lower farther to the
south, ranging generally from 0.5 to 1.00 inch over most areas of
humboldt and then more on the order of 0.25 inches towards
mendocino county. Rain will quickly taper off to showers overnight
Tuesday and then come to an end by Wednesday morning. The other
primary impact from this system will be another round of gusty
winds from late tonight through early Tuesday afternoon. See below
for additional information on the wind threat from this system.

A break in the active weather pattern is in store for the middle
of the week as the ridge to the south begins to amplify over the
west coast on Wednesday. This will yield at least partial
clearing and some sunshine, particularly over interior areas where
colder temperatures and maybe even some patchy frost in the
colder valleys of trinity county will be possible by Thursday
morning.

The break will be short lived however, as the ridge is quickly
displaced eastward by an approaching trough and another cold
front on Thursday. There is still some uncertainty regarding the
timing of this system, but another round of wind and rain appears
to be in store some time on Thursday, whether in the afternoon or
later in the evening. The progressive pattern then continues for
the remainder of the week, with another relative lull in onshore
zonal flow Friday and Saturday in advance of the next system on
Sunday. Cb

Winds Another round of strong south winds will be possible
late tonight and Tuesday, primarily along the del norte county coast.

Latest guidance continues to indicate a warm sector developing
tonight in advance of the main frontal boundary. Confidence
remains low that winds aloft will mix down to mean sea level due
to an increase in stability. The high resolution models continue
to show 925mb winds hitting 50kt over coastal del norte county
tonight, however feel it will be too stable for winds to reach
mean sea level. Surface gradients will tighten tonight for at
least breezy windy conditions as the warm front lifts northward.

On Tuesday, the main frontal boundary will start to sag southward.

Surface gradients will tighten more while mixing increases near
the boundary. High resolution models indicate 925mb winds (~3000
feet above msl) around 50kt during the morning hours, so decided
to hoist a low end wind advisory for gusts around 45 mph along the
del norte county coast through at least noon on Tuesday. Db

Aviation Layered mid level clouds have been spreading over
the area today.VFR has been prevailing for the coastal terminals
while the interior valleys slowly cleared out of the fog and low
clouds. Even though some light rain is expected tonight with a warm
front, conditions will probably remain mostlyVFR due to a mixed up
layer near the surface arising from s-se winds. The only places
that may see ifr is in the interior valleys once again where winds
will be lighter. The greater cloud cover will probably reduce
this threat with much less longwave cooling. On Tuesday, the main
feed of moisture from an approaching front will likely bring
deteriorating conditions to all terminals through the day. The
potential for low level wind shear will once again be on the rise
as S winds aloft increase. Db

Marine South winds will ramp up tonight into Tuesday as another
frontal system impacts the waters with strong southerly winds and
large steep wind waves. The models indicate the surface boundary
weakening with time as it heads southward on Tuesday. Thus, gale
warnings have been hoisted for only the northern waters. Winds will
probably blow hard around around CAPE mendo though.

A huge ground swell will continue to subside tonight through tue.

Hazardous seas will persist into Tuesday as short period wind waves
combine with the tail end of the decaying westerly swell. Seas may
briefly high 20 feet across the northern outer waters. Another
reinforcing west swell will generate spike on Wednesday. Expect seas
will to remain hazardous through much of the week as this next swell
slowly decays.

The models were in better agreement with another frontal passage
across the waters on Thursday. Confidence is still not high on the
magnitude of the winds and seas, however. Gfs, GEFS and ecmwf
indicate offshore ridging by the end of the week behind this front
for perhaps a day or so of n-nw winds and lower seas. The ECMWF has
another system quickly busting down the ridge on Saturday with winds
switching back to the south again. Db

Eka watches warnings advisories
Ca... High surf warning until 9 pm pst this evening for caz101-103-104-
109.

Wind advisory from 4 am to 1 pm pst Tuesday for caz101.

Northwest california coastal waters... Gale warning from 8 pm this evening
to 1 pm pst Tuesday for pzz450-470.

Hazardous seas warning until 10 pm pst this evening for pzz450-
455-470-475.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46014 - PT ARENA - 19NM North of Point Arena, CA 10 mi36 min SE 18 G 23 56°F 57°F1023.6 hPa (-0.7)55°F
ANVC1 - 9416841 - Arena Cove, CA 21 mi36 min ESE 6 G 8 54°F 56°F1024.8 hPa (-0.5)

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA31 mi40 minN 010.00 miOvercast46°F44°F93%1025.5 hPa

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmE4CalmCalmCalmCalmCalmCalmW3CalmCalmCalmCalmN3W3SE3CalmSE3CalmCalm
1 day agoS5SE6SE8S10
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4NW4N6N6W3W3CalmCalmCalmCalmW3CalmCalm
2 days agoCalmN4CalmCalmCalmCalmCalmCalmNW3CalmCalm3SE8S7S7
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Tide / Current Tables for Albion, California
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Albion
Click for Map
Tue -- 12:44 AM PST     1.79 feet Low Tide
Tue -- 02:50 AM PST     Moonset
Tue -- 07:14 AM PST     5.76 feet High Tide
Tue -- 07:29 AM PST     Sunrise
Tue -- 02:08 PM PST     0.69 feet Low Tide
Tue -- 02:21 PM PST     Moonrise
Tue -- 04:54 PM PST     Sunset
Tue -- 08:28 PM PST     4.05 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.82.12.83.74.65.45.75.6542.81.710.70.91.42.12.93.6443.63.1

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Tue -- 01:47 AM PST     0.00 knots Slack
Tue -- 02:50 AM PST     Moonset
Tue -- 04:50 AM PST     0.84 knots Max Flood
Tue -- 07:30 AM PST     Sunrise
Tue -- 07:54 AM PST     -0.00 knots Slack
Tue -- 10:55 AM PST     -1.18 knots Max Ebb
Tue -- 02:21 PM PST     Moonrise
Tue -- 02:57 PM PST     0.00 knots Slack
Tue -- 04:53 PM PST     Sunset
Tue -- 05:46 PM PST     0.84 knots Max Flood
Tue -- 08:55 PM PST     -0.00 knots Slack
Tue -- 11:15 PM PST     -0.75 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-0.20.10.50.80.80.70.4-0-0.6-1-1.2-1-0.8-0.400.50.80.80.70.4-0-0.5-0.7

Weather Map and Satellite Images
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wmap_P
GOES Local Image of CentralWestCoast    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 Eureka, CA (6,6,7,8)
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Ground Weather Radar Station Eureka, 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.