Monday, December10, 2018 L-36.com


Marine Weather and Tides
Fort Bragg, 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 7:20AMSunset 4:51PM Monday December 10, 2018 5:46 AM PST (13:46 UTC) Moonrise 10:08AMMoonset 8:03PM Illumination 9% Phase: Waxing Crescent; Moon at 3 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- 258 Am Pst Mon Dec 10 2018
.small craft advisory in effect through this evening...
Today..N winds 10 to 20 kt. Waves nw 4 ft at 5 seconds...and W 12 ft at 16 seconds.
Tonight..N winds 10 to 20 kt. Waves nw 5 ft at 6 seconds... And W 9 ft at 15 seconds.
Tue..NE winds 5 to 15 kt. Waves nw 3 ft at 5 seconds...and nw 8 ft at 14 seconds. Chance of rain.
Tue night..NE winds 5 to 10 kt. Waves W 2 ft at 4 seconds... And W 7 ft at 12 seconds.
Wed..N winds 5 to 15 kt. Waves nw 3 ft at 5 seconds...and nw 13 ft at 17 seconds.
Thu..SE winds 5 to 15 kt. Waves W 3 ft at 5 seconds...and nw 14 ft at 18 seconds.
Fri..NW winds 5 to 10 kt. Waves W 5 ft at 7 seconds...and W 15 ft at 15 seconds.
PZZ400 258 Am Pst Mon Dec 10 2018
Synopsis for northern california waters..A substantial westerly swell will continue to move through the coastal waters today before gradually diminishing tonight into Tuesday. Another significant swell will enter the waters during the middle of the week and persist into the weekend. Winds and short period seas will remain fairly benign through much of the week.


7 Day Forecast for Marine Location Near Fort Bragg, CA
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location: 39.42, -123.8     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 101321
afdeka
area forecast discussion
national weather service eureka ca
521 am pst Mon dec 10 2018

Synopsis Fog and low clouds will give way to some partial
clearing this afternoon, with overall cooler temperatures compared
to the weekend. Another weak system will arrive on Tuesday and
Tuesday night with generally light rain, followed by a couple of
days of high pressure and dry weather. A more vigorous front will
then push through on Friday.

Discussion While radar indicates shower activity in association
with a passing cold front has largely exited the region, quite a
bit of low-level moisture lingers across northwest california this
morning. This is manifesting in the form of low cloudiness, fog
and areas of drizzle. The low-level flow is becoming less
westerly onshore and more northerly, which will gradually bring in
some drier air and tend to put an end to the drizzle early this
morning. As an upper-level trough passes overhead this morning and
off to our east this afternoon, drier and more stable conditions
should allow for partial clearing this afternoon. The extent of
that clearing in some of the valley areas, and particularly along
the redwood coast, is somewhat in question... But expect there
will be some sunshine in those areas by the end of the day. While
inland temperatures will not be that much cooler in the wake of
the aforementioned cold front, and current temps this morning are
still quite mild, coastal areas will only rise into the low to mid
50s today. This will be a solid 5 to 10 degrees cooler than the
highs over the weekend.

High pressure will continue to build in on Monday night, and with
fairly clear skies we should expect that valley fog will develop.

A weak warm front will then approach with increasing cloudiness on
Tuesday over most of northwest california. The exception may be
in mendocino county, where some Sun is likely after the valley
fog clears. Temperatures will continue to be seasonably cool as
light rain pushes in Tuesday afternoon across del norte, humboldt,
and then trinity county. Rainfall amounts over humboldt and del
norte will be mainly in the quarter to half-inch range, with
lesser amounts to the south and east. Showers will taper off
quickly Tuesday night. Any snowfall will be limited to the highest
mountain peaks, as the bulk of the precipitation will be over by
the time colder air and falling snow levels arrives.

Wednesday and Thursday will bring dry weather and sunshine for
most of our region, as fairly strong high pressure builds in both
at the surface and aloft. Inland valley fog will form under the
otherwise clear skies Wednesday night into Thursday morning, with
a chillier morning in areas where the fog does not develop.

High temperatures will otherwise moderate into Thursday as
southerly winds develop ahead of the next storm system. This storm
will pack more of a punch, with a fairly vigorous but fast-moving cold
front carrying a band of heavy rain and gusty winds across
northern california on Friday. Saturday may end up in with a brief
break in the weather before another front moves through on Sunday.

However, details with regard to timing of these systems and any
dry breaks are a bit sketchy at that range. The pattern will
continue to favor relatively mild temperatures with snow levels
staying on the higher side. Aad

Aviation Low ceilings coupled with patchy fog and drizzle prevail
across much of the area this morning as rain tapers off in the wake
of the front. This is yielding predominantly MVFR conditions with
intermittent bouts of ifr lifr within locally dense fog which has
developed at both cec and acv overnight. Expect conditions to
improve as fog dissipates around sunrise, however MVFR ceilings may
linger well into the afternoon before lifting toVFR between 21 and
00z. Cb

Marine A significant mid period westerly swell on the order of 11
feet at 15 to 17 seconds will remain the dominant wave group within
the coastal waters today, prompting small craft advisories through
this evening before the swell gradually diminishes overnight.

Moderate to fresh northerly breezes will persist across the southern
waters, with lighter winds across the northern waters, yielding
relatively calm short period waves through much of the week.

However, another substantial northwesterly swell will begin to move
into the waters by Tuesday night, likely necessitating additional
small craft advisories for the middle of the week. Shorter period
seas will also begin to increase by Friday in response to increasing
winds ahead of an approaching front. Cb

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... Small craft advisory until 9 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 16 mi37 min NNW 12 G 16 56°F 57°F1023.5 hPa55°F
ANVC1 - 9416841 - Arena Cove, CA 35 mi29 min ENE 1.9 G 2.9 53°F 56°F1023.7 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA37 mi51 minN 02.50 miFog/Mist49°F46°F93%1023.4 hPa

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmSW3CalmCalmNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW5CalmCalmCalmCalmCalmCalmCalmCalmNW3CalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmE3CalmCalmSW3SW3CalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalm

Tide / Current Tables for Noyo River, California
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Noyo River
Click for Map
Mon -- 01:48 AM PST     4.85 feet High Tide
Mon -- 06:39 AM PST     3.26 feet Low Tide
Mon -- 07:24 AM PST     Sunrise
Mon -- 10:07 AM PST     Moonrise
Mon -- 12:04 PM PST     5.72 feet High Tide
Mon -- 04:51 PM PST     Sunset
Mon -- 07:15 PM PST     -0.25 feet Low Tide
Mon -- 08:03 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.14.74.84.64.13.73.33.33.64.24.95.45.75.54.83.72.41.10.2-0.2-0.10.51.52.5

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Mon -- 02:12 AM PST     -0.00 knots Slack
Mon -- 04:16 AM PST     -0.58 knots Max Ebb
Mon -- 07:24 AM PST     Sunrise
Mon -- 07:37 AM PST     0.00 knots Slack
Mon -- 10:07 AM PST     Moonrise
Mon -- 10:16 AM PST     0.60 knots Max Flood
Mon -- 12:56 PM PST     -0.00 knots Slack
Mon -- 04:20 PM PST     -1.28 knots Max Ebb
Mon -- 04:51 PM PST     Sunset
Mon -- 08:03 PM PST     Moonset
Mon -- 08:23 PM PST     0.00 knots Slack
Mon -- 11:27 PM PST     0.97 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.60.1-0.4-0.6-0.5-0.4-0.20.10.40.60.50.3-0-0.5-1-1.3-1.2-0.9-0.6-0.20.30.70.9

Weather Map and Satellite Images
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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 (8,2,3,4)
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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.