Monday, June26, 2017 L-36.com


Marine Weather and Tides
Ukiah, 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 5:47AMSunset 8:44PM Monday June 26, 2017 8:48 PM PDT (03:48 UTC) Moonrise 7:50AMMoonset 10:04PM Illumination 10% 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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PZZ540 Point Arena To Point Reyes To 10 Nm- 128 Pm Pdt Mon Jun 26 2017
.small craft advisory in effect from Tuesday afternoon through Tuesday evening...
Tonight..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. SWell sw 3 ft at 15 seconds.
Tue..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. Mixed swell nw 2 to 3 ft at 10 seconds and sw 3 to 4 ft at 14 seconds.
Tue night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. Mixed swell nw 3 to 5 ft at 9 seconds and sw 3 ft at 13 seconds. Patchy fog after midnight.
Wed..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 4 to 6 ft at 9 seconds. Patchy fog in the morning.
Wed night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 7 to 9 ft at 9 seconds. Patchy fog after midnight.
Thu..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 7 to 9 ft. Patchy fog.
Fri..NW winds 20 to 30 kt. Wind waves 4 to 6 ft. NW swell 7 to 9 ft. Patchy fog.
Sat..NW winds 20 to 30 kt. Wind waves 4 to 6 ft. NW swell 7 to 9 ft. Patchy fog.
PZZ500 128 Pm Pdt Mon Jun 26 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure remains located over the eastern pacific. Locally gusty winds are forecast along the immediate coast and in san francisco bay today. A dominant southerly swell will persist into Wednesday morning.

7 Day Forecast for Marine Location Near Ukiah, CA
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location: 39.15, -123.21     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 262206
afdeka
area forecast discussion
national weather service eureka ca
306 pm pdt Mon jun 26 2017

Synopsis Isolated thunderstorms over the interior through this
evening, then once again tomorrow afternoon. After that, returning
to typical summer pattern of mostly dry conditions. Warm
temperatures will return to inland areas by Wednesday and persist
through the weekend. Marine stratus continuing along the coast
during the overnight hours through rest of this week.

Discussion Overnight last night, convection was impacting del
norte and trinity counties. Around 50 strikes were detected by the
lightning network in del norte county, which was fairly impressive.

Small hail were also reported in trinity county. These convections
dissipated late overnight.

We started this morning with widespread marine stratus. By this
afternoon, the marine stratus is braking up pretty good, especially
from eureka point south. Do expect the marine stratus to persist
north of humboldt bay through tonight. For areas south of humboldt
bay, there is a break in the sky cover. Do expect some afternoon sun
before the marine stratus creeps back in this evening.

Over the inland area, cumulus and weak convection is trying to
develop as a weak mid-level disturbance is making landfall over sw
oregon coast. For this afternoon, there will be up to 1500 j kg of
mucape with LI as low as -3c. However, proximity sounding shows that
there is a conditional stable layer in the lower part of the
atmosphere. Air parcel will have to overcome that before it can get
to the level of free convection. Think that the threat of
thunderstorm is very marginal for this afternoon into this evening.

However, it cannot be ruled out at this time. Thus, have included
eastern del norte and northern trinity county in the isolated
thunderstorm area.

On Tuesday afternoon, another weak upper level disturbance will
try to make its way across NW california. This feature will
trigger isolated thunderstorms over the interior, similar to the
area being affected today.

Starting on Wednesday, looks like the ridge of high pressure will
finally establish itself over east pacific ocean, and this will
bring in the typical summer weather pattern to NW california.

Temperatures inland will warm up to the 90s, while coastal areas
will remain in the 60s. Marine stratus will be impacting the coastal
area during the overnight hours through this week.

Marine Light winds and low seas will continue into tonight into
Tuesday morning. However, this will change by Tuesday afternoon. We
will return to a strong northerly wind regime as the east pacific
high re-establishes itself. With tight northerly pressure gradient,
the strong northerly wind regime will persist through most of the
week. Gale force wind gusts will be likely starting middle of the
work week.

Forecast is still on track. Little changes were made to the previous
forecast package. GFS is used to update the forecast package.

Aviation A deep marine layer continued today, stretching
extensively into the coastal river valleys. Although the marine
layer is quite prevalent, brief periods of sunshine was occurring
along portions of the north coast by mid-afternoon. The stratus
deck has been enhanced by mid- level troughing... With the layer
penetrating inland as far as uki. Previous discussion: "stubborn
clouds should stick around through most of the day. Ifr to lifr
conditions will return to the coast tonight but troughing aloft
will help keep the marine layer deep and thus visibility should
remain higher". Model guidances generally agree that marine clouds
will spill over into the coastal valleys again Tuesday, thus
allowing for some morning clouds... Including uki. However, overall
cloudiness may not be quite as extensive as this morning. Ta

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... Small craft advisory from 9 pm Tuesday to 3 am pdt Friday for
pzz470-475.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 31 mi48 min W 4.1 G 7 60°F 54°F1017.4 hPa (-0.6)
46014 - PT ARENA - 19NM North of Point Arena, CA 41 mi38 min NNW 7.8 G 12 59°F 1017 hPa56°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA1 mi1.9 hrsN 510.00 miFair78°F54°F43%1013.5 hPa

Wind History from UKI (wind in knots)
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Last 24hrCalmN3CalmCalmS3S5S5S4S5CalmN4N54E3E43SE53N7NW7
G16
N10N12N5NE6
1 day agoCalmS8S6S6SW4S3CalmSE3CalmCalmS5SE6SE6SE7SE54SE3E5SE7W6S4N6N5N5
2 days agoCalmCalmCalmS3S5S4S4S3SE3CalmCalmCalmSE5SE6SE7SE6SE5SE64SE76NE6N6N5

Tide / Current Tables for Albion, California
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Albion
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Mon -- 12:41 AM PDT     6.55 feet High Tide
Mon -- 05:50 AM PDT     Sunrise
Mon -- 07:37 AM PDT     -1.52 feet Low Tide
Mon -- 08:52 AM PDT     Moonrise
Mon -- 02:42 PM PDT     5.22 feet High Tide
Mon -- 07:46 PM PDT     2.38 feet Low Tide
Mon -- 08:45 PM PDT     Sunset
Mon -- 11:06 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.46.55.94.62.81-0.5-1.4-1.5-0.90.21.634.255.24.83.93.12.52.42.83.64.5

Tide / Current Tables for Point Arena, California
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Point Arena
Click for Map
Mon -- 12:36 AM PDT     6.61 feet High Tide
Mon -- 05:51 AM PDT     Sunrise
Mon -- 07:44 AM PDT     -1.63 feet Low Tide
Mon -- 08:52 AM PDT     Moonrise
Mon -- 02:32 PM PDT     4.87 feet High Tide
Mon -- 07:34 PM PDT     2.10 feet Low Tide
Mon -- 08:44 PM PDT     Sunset
Mon -- 11:06 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.56.65.94.62.91.1-0.5-1.4-1.6-10.11.634.24.84.84.33.52.72.22.12.63.54.6

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Eureka, CA (23,6,7,8)
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Ground Weather Radar Station Beal 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.