Thursday, October1, 2020
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Marine Weather and Tides
Hollis, AK

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:02AMSunset 6:31PM Thursday October 1, 2020 12:13 PM AKDT (20:13 UTC) Moonrise 6:56PMMoonset 6:23AM Illumination 100% Phase: Full Moon; Moon at 14 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- 340 Am Akdt Thu Oct 1 2020
Today..Light winds. Seas 2 ft or less. Patchy fog early in the morning.
Tonight..SE wind increasing to 15 kt late. Seas building to 3 ft. Rain late.
Fri..SE wind 20 kt. Seas 4 ft. Rain.
Fri night..SE wind 10 kt. Seas 2 ft or less, except 5 ft near ocean entrances. Rain.
Sat..NW wind 10 kt. Seas 2 ft or less.
Sun..SE wind 10 kt increasing to 20 kt late. Seas building to 4 ft late.
Mon..S wind 10 kt. Seas diminishing to 2 ft or less.


7 Day Forecast for Marine Location Near Hollis, AK
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location: 55.48, -132.65     debug


Area Discussion for -
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FXAK67 PAJK 011356 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 556 AM AKDT Thu Oct 1 2020

SHORT TERM. /Thursday and Friday/ Dry weather to start out the short term won't last long as rain moves back into the region by Friday morning. Low clouds and dense fog have been reported across much of the central and southern Panhandle through the early morning hours on Thursday. Dense fog advisories are in effect until 9 AM for zones 24, 26, 27, and 28. Expect skies to clear out through the morning leading to a pleasant fall afternoon. Light sea breezes may develop during the peak heating of the afternoon with temperatures rising into the upper 50s and low 60s.

By Thursday evening, clouds begin streaming back into the region ahead of the next rain maker approaching the Panhandle. A ~975mb low heading north toward Kodiak Island will swing a front into the coast just after midnight on Friday. Rain will spread eastward through the morning hours and stick around for much of the day. Despite the front weakening as it pushes through, it still features a healthy stream of moisture coming up from the south. Ensembles show IVT values approaching 750 kg m/s along the coast and PW nearing all time max values for this time of year around 1.25 to 1.50 inches. Models are also indicating a small wave riding up the front, further enhancing rainfall coverage and intensity. There are some discrepancies where the axis of heaviest rainfall sets up. The GFS and hi-res models place highest amounts around the Central Panhandle and along the Coast Mountains whereas the EC has the heaviest precipitation further north and west across the northern Panhandle. Decided to blend to the GFS and Hi-res solutions with 24 hr rainfall totals 1 to 1.5 inches from Juneau to Sitka to Wrangell with slightly lower amounts across the far north and south.

Winds will pick up ahead of the front with up to 20 kt southerlies expected in the central and southern Inner Channels and small craft conditions through Icy Strait and Cape Spencer. Gales expected in the coastal waters and in the central gulf with the strongest winds further north and west towards Cape Suckling.

Overall forecast confidence is average. No major changes made to the short term. Used NAM/GFS for small updates.

LONG TERM. /Saturday through Wednesday/ As of 10pm Wednesday. Friday's front will be departing to the east early Saturday morning. Showers will linger, especially along the northern gulf coast due to CAA and SWLY onshore flow. Most locations will see a diminishing trend to the showers through mid-day, especially on the lee side of the mountains, with sunny breaks. As with all cold fronts in the fall time, will need to watch for possible thunderstorm development over the gulf.

Another low moves into the western gulf from the SW late Saturday night. The assoc front will likely cause another round of gale force winds over the outside waters and heavy rain looks likely for Sunday. Rainfall amounts in excess of 2 inches are forecasted near Yakutat for this event and around 1 inch elsewhere. Some models are showing enhancement near a triple point, which may shift the focus of the greatest rainfall rates to the southern panhandle Sunday night into Monday. Warm air is again drawn up by this system, but not to the extreme of the previous systems. More pronounced will be the cooling trend behind it and into the start of next week. Again, the CAA and onshore flow will keep potential for showers in the forecast and thunderstorm potential will need to be monitored. The coldest air looks to stay over the western gulf/Aleutians, but could see brisk mornings if timing of breaks in the clouds line up with overnight hours. Also the snow level will likely fall to the level of White Pass mid-week. Models remain in relatively good agreement on the timing of fronts through the mid range, so only minor adjustments were made to the extended forecast.

AJK Watches/Warnings/Advisories. PUBLIC . Dense Fog Advisory until 9 AM AKDT this morning for AKZ021-024- 026-028. MARINE . Gale Warning for PKZ042-043-051-052. Small Craft Advisory for PKZ021-022-041-053.



CM/Ferrin

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCNA2 - Lincoln Rock, AK 40 mi63 min Calm G 1.9 51°F 1024 hPa50°F
GIXA2 41 mi30 min NW 1 G 1.9 57°F 1021.7 hPa55°F
KECA2 - 9450460 - Ketchikan, AK 55 mi55 min NW 8 G 9.9 55°F 53°F
46145 - Central Dixon Entrance Buoy 78 mi73 min 53°F 3 ft1028.5 hPa (+0.1)

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Klawock - Klawock Airport, AK24 mi20 minVar 310.00 miFair60°F54°F80%1023.1 hPa

Link to 5 minute data for PAHY

Wind History from AHY (wind in knots)
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Last 24hrSW4SW4W3----------------------------------------SE7
1 day ago------------------------------------------------
2 days ago------------------------------------------------

Tide / Current Tables for Hollis Anchorage, Kasaan Bay, Alaska
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Hollis Anchorage
Click for Map
Thu -- 01:05 AM AKDT     15.78 feet High Tide
Thu -- 06:23 AM AKDT     Moonset
Thu -- 06:54 AM AKDT     Sunrise
Thu -- 07:04 AM AKDT     0.18 feet Low Tide
Thu -- 01:06 PM AKDT     Full Moon
Thu -- 01:29 PM AKDT     15.99 feet High Tide
Thu -- 06:24 PM AKDT     Sunset
Thu -- 06:55 PM AKDT     Moonrise
Thu -- 07:22 PM AKDT     0.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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14.715.814.912.28.34.41.40.213.4710.713.915.715.713.710.15.92.50.70.936.310

Tide / Current Tables for Karta Bay, Kasaan Bay, Alaska
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Karta Bay
Click for Map
Thu -- 01:06 AM AKDT     16.08 feet High Tide
Thu -- 06:23 AM AKDT     Moonset
Thu -- 06:54 AM AKDT     Sunrise
Thu -- 07:13 AM AKDT     -0.02 feet Low Tide
Thu -- 01:06 PM AKDT     Full Moon
Thu -- 01:30 PM AKDT     16.29 feet High Tide
Thu -- 06:23 PM AKDT     Sunset
Thu -- 06:55 PM AKDT     Moonrise
Thu -- 07:31 PM AKDT     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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14.916.115.312.68.74.71.500.636.610.61416161410.56.32.70.60.52.55.99.9

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
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 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.