Thursday, December12, 2019
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Marine Weather and Tides
Yakutat, AK

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 9:57AMSunset 3:50PM Thursday December 12, 2019 10:19 AM PST (18:19 UTC) Moonrise 3:56PMMoonset 9:39AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 337 Am Akst Thu Dec 12 2019
.small craft advisory through late tonight...
Today..E wind 15 kt. Seas 12 ft. S swell.
Tonight..E wind 20 kt. Gusts to 35 kt late. Seas 12 ft. S swell. Rain.
Fri..E wind 20 kt. Gusts to 35 kt in the morning. Seas 14 ft. S swell. Rain showers.
Fri night..E wind 15 kt. Seas 13 ft. S swell. Rain showers.
Sat..E wind 15 kt. Seas 9 ft.
Sun..E wind 10 kt. Seas 8 ft.
Mon..E wind 10 kt. Seas 10 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 121443 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 543 AM AKST Thu Dec 12 2019

SHORT TERM. The weakening vertically stacked low in the western half of the Gulf of Alaska will drift north about 100 mn east of Kodiak Island to be near southern Kenia Peninsula Friday morning. Another low Friday seem to try and work its way into the southeast gulf by late Friday is being broken down into just a trough. High pressure over western Canada holding most of the weather systems from progressing eastward through the panhandle.

Expect rain/showers to continue into Friday, and then will start improving with shower activity decreasing mainly over the south. This is duee to the low moving further away and weakening. Showers will persist better along the norhteast gulf coast.

Even the northeast improves Saturday as a large flow moves into the southern Bering sea and then the far western gulf on Saturday.

The northern Lynn Canal may bring some exciting weather over the next 24 to 48 hours. Am thinking there may be sufficent cool air around to allow a few inches of snow to fall along the Haines Higway to the border, and then continue into Friday. This all depends on the temperatures cooling and sufficient moisture reaching the area.

LONG TERM. /Saturday through Thursday night/ . The extended range forecast begins with an upper ridge moving east over the Panhandle while a low moves slowly eastward into the far western gulf. By Monday, the low in the gulf will swing a front through the region pushing the ridge to the east. Flow will become onshore next week as several systems rotate around a parent low in the Aleutians bringing multiple rounds of precipitation to the Panhandle. There are still model discrepancies of the timing of each system moving into the region. What does appear to be relatively certain is wet weather will persist through most of the coming week.

Guidance does indicate that there will be low level cold air advection from the west through the weekend. The forecast reflects model guidance by showing a cooling trend through Sunday across the Northern Panhandle with temperatures remaining around average for much of next week.

No major changes were made to the long range forecast tonight as it is hard for models to pin down the exact timing of each system rotating into the region. Sunday appears to be the driest day over the next week as a ridge will be over the Panhandle. A front moves in on Monday increasing the chance for precipitation. P-type could be an issue for areas in the Northern Panhandle as colder air at the surface may be hard to scour out by the time the precipitation moves in. Since there are still inconsistencies with the models, a slight change to one aspect of the forecast will greatly affect the rest of the forecast. Temperatures have an effect on snow levels, which in turn, have an effect on the probability of snow rather than rain for the next week. Current thinking is that the northern Panhandle has the best chance at seeing frozen precipitation, especially along the highways. The southern Panhandle is expected to see predominantly rain. Fortunately, several days remain before this becomes an issue with impacts on the public, so it can be studied closely by multiple shifts.

Overall long range forecast confidence is below average.

AJK Watches/Warnings/Advisories. PUBLIC . Winter Weather Advisory from 3 PM this afternoon to 6 AM AKST Friday for AKZ019. MARINE . Gale Warning for PKZ052. Small Craft Advisory for PKZ022-041>043-051-053.



Bezenek/CM

Visit us at http://www.weather.gov/Juneau


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YATA2 - 9453220- Yakutat, AK 7 mi49 min 45°F993 hPa

Airport Reports
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (13,3,4,5)
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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 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.