Saturday, April4, 2020
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Marine Weather and Tides
Hyder, AK

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:54AMSunset 8:19PM Saturday April 4, 2020 11:50 AM PDT (18:50 UTC) Moonrise 2:30PMMoonset 5:28AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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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PKZ036 Clarence Strait- 352 Am Akdt Sat Apr 4 2020
Today..Light winds becoming nw 10 kt. Seas building to 3 ft in the afternoon.
Tonight..NW wind 15 kt. Seas 3 ft in the evening then 2 ft or less.
Sun..NW wind 10 kt. Seas 2 ft or less.
Sun night..S wind 15 kt. Seas 3 ft.
Mon..S wind 20 kt. Seas 4 ft.
Tue..S wind 10 kt. Seas 2 ft or less.
Wed..SE wind 15 kt. Seas building to 4 ft.


7 Day Forecast for Marine Location Near Hyder, AK
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location: 55.77, -130.18     debug


Area Discussion for -
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FXAK67 PAJK 041412 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 612 AM AKDT Sat Apr 4 2020

SHORT TERM. Friday's weather system is over Hecate Strait and continues southward. Much of Southeast Alaska has cleared out or started clearing overnight. The southern sections of the panhandle will clear during the morning to midday hours. A weak trough of lower pressure will persist along the coastline from south of the Kenia Peninsula to Haida Gwaii. Most of the panhandle is expected to be mostly sunny during the day Saturday. A trough approaching early Sunday will start to spread clouds into Southeast Alaska on Sunday

Temperatures are expected to be near the borderline of snow and rain for the coastal sections of the panhandle Sunday. Think a few areas across the northern panhandle will start as snow escpecially during the night time hours and the early morning. Expect the panhandle p-type should switch over to rain for the lower elevations. Snowfall accumulations are expected to be minor with under an inch accumulation. Depending on the situation that develops as the surface trough advances through SEAK and the upper support enhancing snowfall, a band of snow in the enhanced areas could see slightly higher snow totals.

Aloft the upper level flow is changing from a ridge over the eastern gulf which brought the drying conditions for Saturday to zonal flow across the gulf to the panhandle. This will suggest continued precipitation for the panhandle headed into the start of the week.

LONG TERM. /Monday to Saturday as of 10 pm Friday/ . A ridge over the Gulf of Alaska will slide E out of the panhandle. More zonal flow behind it will enable impulses to move across the Northern Gulf, interacting with the panhandle and bringing a renewed chance of precipitation next week.

In regards to surface features, the first system to impact the panhandle will be a shortwave trough which will interact with the area on early Monday morning. Though a lack of substantial moisture support should prevent substantial snow amounts it still looks possible that Juneau could see measurable snowfall on the ground before joining the rest of the panhandle in a predominantly rainshower regime which will be driven by Cold Air Advection. Following the passage of this system, westerly flow will help continue to encourage the propagation of these showers throughout the panhandle, and there is a chance of follow-up snow showers Monday night in areas where the cloud deck proves insufficient for keeping temperatures above freezing.

The long range model solutions and ensembles have continued to indicate the development of a low in the North Pacific which will enter the Gulf of Alaska and impact the panhandle sometime between Tuesday and Wednesday. There still remains considerable disagreement on what the exact track of the system will be, though in a reversal from yesterday, the most recent model runs have trended further to the east, bringing the low closer to Yakutat. The exact track and timing of the system will need to be monitored closely, as depending on the strength and timing of the warm sector, overrunning could lead to an initial period of accumulating snow in parts of the northern and central panhandle, especially in Yakutat. As it stands currently, outside of Yakutat, it looks like the majority of the panhandle will see mainly rain out of this event, barring a possible period of snow for the northern panhandle and Juneau initially. Ensembles have indicated that ample moisture support will be present, but operational models continue to run the gamut on how much QPF the system will ultimately bring to SE Alaska, and so opted to choose a middle ground for the time being.

After the system pulls out on Thursday, ensembles lean towards drier weather ahead for the remainder of the forecast period.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . None.



Bezenek/GFS

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KECA2 - 9450460 - Ketchikan, AK 82 mi50 min WNW 7 G 9.9 37°F 44°F1015 hPa (+0.4)

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Metlakatla, Metlakatla Seaplane Base, AK78 mi54 minN 410.00 miFair36°F25°F64%1014.3 hPa

Link to 5 minute data for PAMM

Wind History from AMM (wind in knots)
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Last 24hrW5SW6SW7SW6W4SW9SW7SW4E3SW4CalmN4N6NE4E3NE4N4NE5E3E33NE4N7N4
1 day agoNW4NW7NW5--W8----NW9NW11NW9NE4CalmCalmCalmCalmE4E33CalmE3E4NE5E5NW3
2 days ago3NW7W6NW6W4W7NW11--NW12NW10N7E3E5E3CalmE3E3CalmCalmE3E4NE4N5NW3

Tide / Current Tables for Davis River entrance, Alaska
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Davis River entrance
Click for Map
Sat -- 04:22 AM AKDT     4.19 feet Low Tide
Sat -- 05:27 AM AKDT     Moonset
Sat -- 06:01 AM AKDT     Sunrise
Sat -- 10:26 AM AKDT     15.50 feet High Tide
Sat -- 02:30 PM AKDT     Moonrise
Sat -- 04:59 PM AKDT     -0.28 feet Low Tide
Sat -- 07:26 PM AKDT     Sunset
Sat -- 11:23 PM AKDT     15.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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12.610.37.75.54.34.568.611.413.915.315.313.610.66.83.20.6-0.30.73.4710.813.815.4

Tide / Current Tables for Fords Cove, B.C.
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Fords Cove
Click for Map
Sat -- 05:20 AM AKDT     4.29 feet Low Tide
Sat -- 05:26 AM AKDT     Moonset
Sat -- 06:01 AM AKDT     Sunrise
Sat -- 11:25 AM AKDT     15.10 feet High Tide
Sat -- 02:30 PM AKDT     Moonrise
Sat -- 05:57 PM AKDT     -0.18 feet Low Tide
Sat -- 07:25 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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13.412.210.17.65.54.44.66.18.511.313.61514.813.210.36.63.10.7-0.20.83.5710.613.5

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 (14,3,4,5)
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Ground Weather Radar Station Biorka Is., AK
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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 numerous 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.