Monday, December16, 2019
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Marine Weather and Tides
Beluga, 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 10:05AMSunset 3:43PM Sunday December 15, 2019 11:50 PM AKST (08:50 UTC) Moonrise 7:02PMMoonset 12:09PM Illumination 79% Phase: Waning Gibbous; Moon at 19 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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PKZ140 Cook Inlet North Of Kalgin Island- 341 Pm Akst Sun Dec 15 2019
.small craft advisory through Monday...
Tonight..NE wind 30 kt. Seas 9 ft subsiding to 6 ft after midnight.
Mon..NE wind 25 kt. Seas 5 ft.
Mon night..NE wind 20 kt. Seas 5 ft.
Tue and Tue night..NE wind 20 kt. Seas 5 ft.
Wed..NE wind 20 kt. Seas 4 ft.
Thu..N wind 15 kt. Seas 3 ft.
Fri..N wind 10 kt. Seas 3 ft.


7 Day Forecast for Marine Location Near Beluga, AK
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location: 61.05, -151.17     debug


Area Discussion for -
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FXAK68 PAFC 160122 AFDAFC

Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 422 PM AKST Sun Dec 15 2019

ANALYSIS AND UPPER LEVELS. Large Scale upper cyclonic flow, associate with a resident low just south of the AK Pen, continued. At the surface, a 970s mb low was located just south of the AK Pen with an occluded front stretching from Bristol Bay to over the northern Gulf of Alaska. Areas of light snow were observed over the Kuskokwim Delta, mixed rain and snow over Bristol Bay to rain across the AK Pen to over the Gulf. The heaviest rain was over the eastward Kenai Peninsula due to upslope enhancement. Downslope drying, due to southeast cross-barrier flow across the Kenai an Chugach Mountains, is minimizing precipitation to the lee of the aforementioned ranges. Gale to storm force easterly winds were evident from the Barren Islands to the northern Gulf waters. Northerly gales, on the backside of the surface low, were observed across the eastern Aleutians. A frontal system approaching the western Aleutians this afternoon brought increasing easterly flow.

MODEL DISCUSSION. Models are in generally good synoptic agreement. Will likely use the GFS out west and generally hand edits to existing grids in the east.

AVIATION. PANC . VFR conditions and light winds will persist.

SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2). The front along the northern Gulf weakens overnight as the surface low slowly fills on an easterly track from the Alaska Peninsula to the southern Gulf. The front stalls across the Northeast Gulf, Prince William Sound and eastern Kenai bringing light rain through Monday with snow for higher elevations. A few isolated showers may pull farther inland, however interior locations will mainly stay dry and cool.

On Tuesday, the next surface low moves to just south of Kodiak Island early in the morning. The associated front pushes quickly from the southern Gulf to the coast by the afternoon. This system will be relatively weak with small craft winds along the boundary. Yet another front pushes to Kodiak Island late Tuesday afternoon, taking a similar northward track. This front is expected to be better organized Tuesday night through Wednesday.

SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2). A 974 mb low over the Alaska Peninsula is responsible for a few scattered showers of rain this afternoon in Southwest Alaska. Temperatures in the Kusko Delta are cold enough for snow to fall in Kipnuk. The low will continue to fill over the next 24 hours and precipitation will diminish as well. Northeast winds will continue across the Kusko Delta and keep conditions cold and dry the next 2 days. Another low pressure system will move out of the western Aleutians and bring gusty winds to much of Southwest Alaska on Tuesday evening, precipitation will be limited to the Gulf side of the Alaska Peninsula.

SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2). A weakening low over the western AKPEN is still creating gusty winds and scattered rain showers from Nikolski eastward. A storm force low in the north Pacific will bring strong winds and a mix of rain and snow to Shemya later Sunday evening into Monday afternoon. This system will track across the Aleutian chain through Tuesday evening and bring a band of rain through the area. The low will track east of Adak early Tuesday morning followed by a swath of gusty northwest winds and scattered showers that will last through Tuesday across the Aleutian chain and the Pribilof Islands.

MARINE (Days 3 through 5). At the onset of this forecast period there are two lows, one near Kodiak Island and a Kamchatka low. The low near Kodiak will push into the Gulf Of Alaska bringing small craft advisory and possibly a few gales. And the Kamchatka low will move into the Bering bringing a widespread storm force winds that will taper down towards the end of the period. Anticipate light to heavy freezing spray from Hooper Bay to Nunivak Island.

LONG TERM FORECAST (Days 3 through 7). The global models are in decent agreement with the main synoptic pattern for north Pacific and Bering through Saturday December 21st. At the onset of this forecast period, there are two surface lows. One is near Kodiak Island and a Kamchatka low. There is a ridge axis between the two systems. There are some minor differences with the timing of two surface lows. There is another noteworthy feature. A piece of arctic energy gets kicked out from an upper low well north the Brooks Range and tracks into southwest Alaska. Then a second arctic impulse dives southward and the models bring this feature south of the Alaska Range. Expect cooler temperatures from SW AK to the Copper River Basin. At this point, Saturday looks brutally cold for southcentral AK.

AFC WATCHES/WARNINGS/ADVISORIES. PUBLIC . NONE. MARINE . Storm Warning 119 120 177. Gale Warning 125 130 131 139 155 172>176 178. FIRE WEATHER . NONE.



SYNOPSIS AND MODEL DISCUSSION . RC SOUTHCENTRAL ALASKA . AH SOUTHWEST ALASKA/BERING SEA/ALEUTIANS . LB MARINE/LONG TERM . PJS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NKTA2 - 9455760 - Nikiski, AK 28 mi56 min NE 19 G 24 38°F 37°F996.5 hPa
ANTA2 - 9455920 - Anchorage, AK 69 mi68 min NE 6 G 8.9 32°F 33°F998.7 hPa

Wind History for Nikiski, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kenai, Kenai Municipal Airport, AK33 mi57 minN 1710.00 miOvercast36°F23°F59%996.2 hPa

Link to 5 minute data for PAEN

Wind History from AEN (wind in knots)
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1 day agoN19NE12N14N11N11N10N14N12N15NE12NE8NE4NW3N6NE4N6N8N10N9NE12NE14N15N13NE13
2 days agoNE9NE9N14NE10N17NE16NE14NE10N11NE10N10N10N11NE11NE14NE11NE13N11N14N12N13N14N17NE14

Tide / Current Tables for North Foreland, Alaska
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North Foreland
Click for Map
Mon -- 02:52 AM AKST     -2.62 feet Low Tide
Mon -- 09:10 AM AKST     21.04 feet High Tide
Mon -- 10:13 AM AKST     Sunrise
Mon -- 01:28 PM AKST     Moonset
Mon -- 03:10 PM AKST     4.84 feet Low Tide
Mon -- 03:47 PM AKST     Sunset
Mon -- 08:48 PM AKST     21.70 feet High Tide
Mon -- 09:36 PM AKST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.32.1-1.5-2.6-0.549.61519.12120.317.713.99.86.44.95.89.213.717.920.921.720.116.5

Tide / Current Tables for East Foreland, Alaska
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East Foreland
Click for Map
Mon -- 01:44 AM AKST     -1.89 feet Low Tide
Mon -- 08:00 AM AKST     20.66 feet High Tide
Mon -- 10:10 AM AKST     Sunrise
Mon -- 01:27 PM AKST     Moonset
Mon -- 02:02 PM AKST     4.43 feet Low Tide
Mon -- 03:51 PM AKST     Sunset
Mon -- 07:38 PM AKST     21.22 feet High Tide
Mon -- 09:39 PM AKST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.9-1.2-1.80.65.210.615.619.320.719.616.812.88.85.74.45.89.413.91820.721.119.315.610.9

Weather Map
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wmap_P
GEOS Local Image of Alaska    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 Kenai, 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.