Tuesday, June19, 2018 L-36.com


Marine Weather and Tides
Fort Bragg, CA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:45AMSunset 8:43PM Tuesday June 19, 2018 8:38 PM PDT (03:38 UTC) Moonrise 11:31AMMoonset 12:00AM Illumination 42% Phase: First Quarter Moon; Moon at 7 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- 214 Pm Pdt Tue Jun 19 2018
Tonight..NW winds 5 to 15 kt. Waves nw 5 ft at 5 seconds... And nw 4 ft at 12 seconds. Patchy fog.
Wed..NW winds 10 to 15 kt. Waves nw 4 ft at 5 seconds...and W 3 ft at 13 seconds. Patchy fog.
Wed night..NW winds 10 to 15 kt. Waves nw 4 ft at 5 seconds... And W 3 ft at 12 seconds. Patchy fog.
Thu..NW winds 10 to 15 kt. Waves nw 6 ft at 7 seconds...and W 3 ft at 11 seconds.
Thu night..NW winds 10 to 20 kt. Waves nw 6 ft at 7 seconds.
Fri..NW winds 15 to 25 kt. Waves nw 7 ft at 7 seconds.
Sat..NW winds 10 to 20 kt. Waves N 7 ft at 8 seconds...and N 2 ft at 17 seconds.
Sun..NW winds 10 to 20 kt. Waves N 6 ft at 9 seconds...and N 2 ft at 16 seconds.
PZZ400 214 Pm Pdt Tue Jun 19 2018
Synopsis for northern california waters..With high pressure building toward the west coast, N winds will return today and will gradually increase through the end 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 192144
afdeka
area forecast discussion
national weather service eureka ca
244 pm pdt Tue jun 19 2018

Synopsis A significant warm up is expected for the interior
late this week into the weekend. Marine air will keep coastal
areas seasonably cool. Also, a brief thunderstorm will be possible
late Wednesday afternoon in far northeast trinity county.

Discussion Once again a fair amount of cumulus has been
sprouting up with daytime heating over the interior mountains.

There is significant amount of cinh which most likely will not be
overcome by the daytime heating alone. Wednesday is looking
slightly better for convection with less cinh over NE trinity
county. The combination of strong winds aloft associated with a
shortwave trough from the southwest and some instability may yield
a small risk for strong thunderstorms along the fringes of ne
trinity county. The main threat for strong storms will most likely
be just north of the border in siskiyou county and southern oregon.

A prolonged period of above normal interior temperatures can be
expected across for the interior late this week and this weekend
as an upper ridge takes hold of northwest california weather.

While temperatures will certainly be warm through Thursday, the
hottest air is expected Friday through the weekend. Over these
three days, temperatures will likely peak well into the 90s with
some sites hitting 100f or more. While these temperatures are not
particularly out of the ordinary for this time of year, the
prolonged nature of these temperatures may result in a moderate
risk for health effects for heat sensitive groups.

Extensive stratus has been lurking along or just offshore the
coast once again this afternoon. Expect a quick return this
evening. An approaching shortwave trough may deepen the layer
slightly by early Wednesday. Thus low clouds and marine air may
push deeper into the coastal river valleys by daybreak wed.

Drizzle appears to be particularly likely overnight tonight
through Wednesday morning. Limited sky clearing is expected
Wednesday afternoon as slightly stronger onshore flow develops.

Coastal areas will likely remain seasonably cool, even as the
stratus coverage and duration decreases later this week and
over the weekend. We will probably see diurnal low clouds for
the north coast while brisk northerlies offshore keep the
mendocino coast mostly stratus free. There is a slight hint of a
wind reversal on Sunday. There is uncertainty on how long the
mendocino coast will enjoy bright sunshine before stratus returns
either Sunday or Monday.

500mb heights will start to fall as broad westerly flow aloft
develops in response to a transient trough that will approach the
west coast early next week. The models are typically too fast with
these transitions, so for now will go with a slower cooling trend
and keep temperatures near or above normal for interior locales.

Aviation Most of the north coast was entrenched by an
expansive layer of marine stratus well into mid-afternoon.

Aviation impacts were variable as conditions dipped down into
ifr lifr. Vis Sat imagery was showing binovc from eka to cec by 1
pm. Therefore, partial clearing is possible along sections of the
coast this afternoon. Even so, model data, along with persistence
indicated marine stratus staying quite prevailing for the most
part. Model guidance also indicating some low cloud intrusion into
uki Wednesday morning, although confidence at this time is a
little wobbly. Otherwise, interior mountain valley areas will
remain mostlyVFR except for some pockets of fog over a few river
valleys in the early morning.

Marine (issued 407 am pdt Tue jun 19 2018) latest ascat pass
this morning still shows very light winds in place across the
waters. High pressure will begin to build across the area today
which will cause northerly winds to slightly strengthen especially
south of CAPE mendocino. Seas will continue to gradually subside
for the next few days as a westerly and northerly swell move
through the waters.

Winds will really begin to strengthen Thursday through the weekend
when gale force conditions are possible across the waters. These
strong winds will lead to steep and hazardous seas this weekend.

Wci

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... None.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46263 7 mi38 min 53°F4 ft
ANVC1 - 9416841 - Arena Cove, CA 35 mi50 min WNW 5.1 G 8.9 54°F 49°F1017.9 hPa
46014 - PT ARENA - 19NM North of Point Arena, CA 274 mi38 min NNW 9.7 G 12 53°F 55°F1017.7 hPa (-0.0)53°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA37 mi1.7 hrsN 710.00 miFair86°F45°F24%1013.4 hPa

Wind History from UKI (wind in knots)
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Last 24hrN4CalmCalmNW3S3CalmW3CalmCalmCalmCalmCalmNW3333NE4S46W8
G17
W11W6N7N10
1 day agoNE4CalmCalmCalmCalmS3CalmCalmSE3CalmCalmCalmCalmCalm3E443NW10NW11NW10N10N10N12
2 days agoN6SW3S4SE4S43S8S5S5S3S3S4SE5S54SE7SE9SE9SE10
G15
6S9SW8W56

Tide / Current Tables for Noyo River, California
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Noyo River
Click for Map
Tue -- 01:00 AM PDT     Moonset
Tue -- 03:50 AM PDT     5.23 feet High Tide
Tue -- 05:48 AM PDT     Sunrise
Tue -- 10:42 AM PDT     -0.53 feet Low Tide
Tue -- 12:30 PM PDT     Moonrise
Tue -- 05:44 PM PDT     5.32 feet High Tide
Tue -- 08:45 PM PDT     Sunset
Tue -- 11:33 PM PDT     2.07 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
33.74.55.15.24.942.81.50.4-0.4-0.5-00.92.23.54.55.25.34.94.23.32.62.1

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Tue -- 01:00 AM PDT     Moonset
Tue -- 01:51 AM PDT     0.68 knots Max Flood
Tue -- 04:39 AM PDT     -0.00 knots Slack
Tue -- 05:48 AM PDT     Sunrise
Tue -- 07:46 AM PDT     -1.20 knots Max Ebb
Tue -- 11:40 AM PDT     0.00 knots Slack
Tue -- 12:30 PM PDT     Moonrise
Tue -- 02:48 PM PDT     1.05 knots Max Flood
Tue -- 06:09 PM PDT     -0.00 knots Slack
Tue -- 08:41 PM PDT     -0.83 knots Max Ebb
Tue -- 08:45 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.60.70.60.3-0.2-0.7-1.1-1.2-1-0.7-0.30.20.7110.90.60.1-0.5-0.8-0.8-0.7-0.5

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 (23,6,7,8)
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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.