Saturday, June24, 2017

Marine Weather and Tides
Yakutat, AK

Version 3.4
What's New / NOTES
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 4:25AMSunset 11:40PM Saturday June 24, 2017 5:00 PM PDT (00:00 UTC) Moonrise 4:21AMMoonset 9:53PM Illumination 1% Phase: New Moon; Moon at 1 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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PKZ053 Yakutat Bay- 330 Pm Akdt Sat Jun 24 2017
Tonight..Light winds. Seas 4 ft. Showers in the evening.
Sun..SW wind increasing to 15 kt in the afternoon. Seas 5 ft.
Sun night..SW wind 10 kt. Seas 4 ft.
Mon..SW wind 15 kt. Seas 4 ft.
Mon night..SW wind 15 kt. Seas 5 ft.
Tue..SW wind 15 kt. Seas 6 ft.
Wed..S wind 15 kt. Seas 6 ft.
Thu..S wind 15 kt. Seas 8 ft.

7 Day Forecast for Marine Location Near Yakutat CDP, AK
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location: 59.56, -139.61     debug

Area Discussion for -
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Fxak67 pajk 242256
southeast alaska forecast discussion
national weather service juneau ak
256 pm akdt Sat jun 24 2017

Short term tonight through Monday todays front moved in
several hours earlier than expected with every corner of SE alaska
getting a wetting rain. But, this also means that the main part
of the front has already moved out and precip has already
transitioned to showers with breaks already forming this
afternoon. Expect showers to continue tonight and tomorrow with
relatively light and variable winds through the inner channels.

Exception to this tonight will be 20-25kt winds out of cross sound
this evening and near the low center over the gulf.

Have included a slight chance of thunder near the low center over
the SE gulf (marine zones 42 and 43) late tonight into early
Sunday. Lately the peak in lightning activity has been nocturnal,
likely due to radiative cloud top cooling vs. Sst creating greater
instability. The limiting factor during the day is the opposite,
plus overcast skies not allowing land areas to heat up.

The upper level low slowly moves east across the central
panhandle Sunday night with nwly flow prevailing behind it for
Monday. Until this happens, showers will remain in the forecast,
namely on the south side of the low where onshore flow dominates.

The surface low looks to weaken going into Sunday evening as it
passes over the southern panhandle. This weakening trend in part
due to the low center tilting northward as you go aloft, thus less
support. On Monday a ridge of high pressure builds over the gulf
and will help to gradually diminish showers through the day.

Long term Tuesday through Saturday... As of 900 pm fri... Period
begins with models in good agreement depicting an upper ridge
over the E gulf early Tue as a surface low moves into central bc.

Expect a few lingering showers possible tue, but the trend into
wed will be diminishing pops and sky cover. Model solutions
continue to diverge by mid week, mainly with the strength and
timing of the system pushing into the W gulf. Minor perturbations
ejecting out of the parent low are difficult to time this far in
advance and models diverge significantly with timing of these
short waves. Expect dry weather to continue into Wed before
increasing sky cover and precip chances expand from the N gulf
coast early Wed into the panhandle into thu. Ensembles continue to
support slightly above normal temps mid next week with naefs low
level t 1-2 standard dev above normal. Given the inherited
forecast represented this well and model spreads increase in the
extended made minimal changes to forecast before trending toward
wpc guidance.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz022-043-051-052.

Small craft advisory due to seas for pkz041-042.

Ferrin bc
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YATA2 - 9453220- Yakutat, AK 7 mi61 min 54°F1020.1 hPa (+0.6)

Airport Reports
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
IR Satellite Image from GEOS

GOES Local Image of PacificNorthwest    EDIT

Wind Forecast for (20,4,5,8)
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Ground Weather Radar Station Biorka Is., AK
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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 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 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.