Sunday, December8, 2019
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Marine Weather and Tides
Elfin Cove, 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 8:28AMSunset 3:10PM Sunday December 8, 2019 11:50 AM AKST (20:50 UTC) Moonrise 2:21PMMoonset 3:58AM Illumination 90% 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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PKZ022 Cross Sound- 314 Am Akst Sun Dec 8 2019
.small craft advisory through late tonight...
Today..E wind 15 kt. Seas 9 ft. S swell. Rain early in the morning.
Tonight..E wind 20 kt. Seas 11 ft. S swell.
Mon..E wind 25 kt. Seas 11 ft. S swell.
Mon night..E wind 25 kt. Seas 14 ft. S swell. Rain.
Tue..E wind 25 kt. Seas 14 ft subsiding to 9 ft.
Wed..E wind 25 kt. Seas 11 ft.
Thu..E wind 20 kt. Seas 13 ft.


7 Day Forecast for Marine Location Near Elfin Cove, AK
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location: 58.08, -136.57     debug


Area Discussion for -
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FXAK67 PAJK 081258 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 358 AM AKST Sun Dec 8 2019

SHORT TERM. Weakening and nearly stationary front draped across the northern Panhandle early this morning. Light rain or drizzle continues in these areas with some light snow still hanging on in far northern Lynn Canal.

To the south, a strong storm system is taking shape over the NPAC as a negatively tilted shortwave on the nose of a 170-180kt Pacific jet begins to interact with a strong baroclinic zone over the western Gulf. This low will rapidly deepen today and lift north-northwest to a location south of Kodiak Island tonight. Warm front associated with this low will combine with the leftovers from our current front and lift northward through the Panhandle today into early this evening. With continued WAA and moisture in the low to mid levels, kept higher precipitation chances from Icy Strait northward through the day today with much lesser chances south where the low to mid levels are drier. Snow levels will rise rapidly today and be above 2000ft across the entire Panhandle by this evening. One exception may be the Chilkat Valley where stubborn low level cold air will tough to scour out with almost no surface gradient in a stable WAA regime.

One thing the strong storm to the southwest will do is to build the mid/upper ridge over the Panhandle tonight. This will effectively direct the best moisture transport back to the west and allow any remaining rainfall to decrease once the warm front passes. With height rises aloft and a cool moist boundary layer present, think low clouds and fog are a good possibility across much of the area through Monday morning. It will be quite warm aloft on Monday with 850mb temperatures approaching 4C. If there are any areas that are able to mix briefly Monday afternoon in any enhanced easterly flow 50 degrees is not out of the question. Places that do not mix at all may not see low cloud cover break out much which could keep temps much cooler. Needless to say, some major bust potential for high temps on Monday. Either way Monday should be a dry day with any rainfall from the next front holding off until late Monday night.

Winds over the Gulf will increase to gale force by tonight as the strong low and associated occluded front lifts northward. Gales will continue through Monday night which will lead to large seas of 20 to 25 ft over the offshore waters by Monday night. Winds on the inside waters will be much lighter, but will begin to increase on Monday night as the occluded front approaches.

LONG TERM. /Tuesday through Sunday as of 10 pm Saturday/ The long range features a period of change in the upper level pattern. First off, the upper ridge just east of the panhandle will break down by Wed. Meanwhile the broad trough upstream over the Bering Sea will be breaking apart into various weaker upper low centers through mid week. One of these upper lows will settle into the Western Gulf by Wed and generally remain there into early next weekend.

The Panhandle, which will be suffering through the remains of a gale force front that entered the panhandle Mon night, will be under the gun for another gale force front as soon as Wed. Wide spread gales expected in the gulf and more gusty winds and rain for the panhandle expected. Warm southerly winds will also continue, keeping snow levels between 1000 and 3000 feet so rain is expected for most sea level areas. Model consensus was reasonable with few forecast changes noted compared to yesterday (main change was increasing land and inner channel winds during frontal passage on Wed).

Forecast confidence starts to slide to low past Wed night as various troughs rotate around the western gulf low and into the panhandle. Little consistency between models for the position and timing of any one of these troughs, so extended forecast is mainly a broad brush of the general trends expected. Those general trends favor wide spread shower activity and a slight cooling trend in the post frontal environment. This cooling trend will be enough to lower snow levels to a few hundred feet in the north, but if it will be enough to get snow at sea level again remains to be seen. Favored WPC and NBM for any updates.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . Gale Warning for PKZ042-043-051-052. Small Craft Advisory for PKZ022-041-053.



DEL/EAL

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CSPA2 - Cape Spencer, AK 9 mi40 min ENE 12 G 16 40°F 1016.3 hPa39°F
ELFA2 - 9452634 - Elfin Cove, AK 14 mi56 min 40°F 45°F1017.5 hPa
BLTA2 - Bartlet Cove AK 44 mi84 min NE 1.9 G 2.9 38°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PAEL

Wind History from AEL (wind in knots)
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Last 24hr--N10--N10
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1 day ago--Calm--Calm--Calm--Calm------------------------------N10
2 days ago--W7--W7--4--Calm------------------------------Calm

Tide / Current Tables for Cape Bingham, Alaska
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Cape Bingham
Click for Map
Sun -- 03:43 AM AKST     3.42 feet Low Tide
Sun -- 03:58 AM AKST     Moonset
Sun -- 08:38 AM AKST     Sunrise
Sun -- 09:58 AM AKST     10.59 feet High Tide
Sun -- 02:21 PM AKST     Moonrise
Sun -- 03:17 PM AKST     Sunset
Sun -- 04:47 PM AKST     1.35 feet Low Tide
Sun -- 10:56 PM AKST     8.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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75.74.53.63.54.15.47.28.910.110.610.18.76.84.72.81.61.42.13.55.37.18.38.6

Tide / Current Tables for North Inian Pass, Cross Sound, Alaska Current
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North Inian Pass
Click for Map
Sun -- 01:03 AM AKST     -3.92 knots Max Ebb
Sun -- 03:58 AM AKST     Moonset
Sun -- 05:30 AM AKST     0.01 knots Slack
Sun -- 07:50 AM AKST     2.07 knots Max Flood
Sun -- 08:38 AM AKST     Sunrise
Sun -- 09:46 AM AKST     -0.00 knots Slack
Sun -- 01:28 PM AKST     -5.03 knots Max Ebb
Sun -- 02:19 PM AKST     Moonrise
Sun -- 03:15 PM AKST     Sunset
Sun -- 06:04 PM AKST     0.00 knots Slack
Sun -- 08:23 PM AKST     2.35 knots Max Flood
Sun -- 10:26 PM AKST     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-3.5-3.9-3.7-2.9-1.9-0.70.61.72.11.3-0.5-2.5-4.1-4.9-4.9-4.3-3.1-1.7-0.11.42.32.10.8-1.1

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (15,3,4,5)
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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.