Thursday, April19, 2018 L-36.com


Marine Weather and Tides
Egegik, AK

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:19AMSunset 9:37PM Thursday April 19, 2018 1:31 AM AKDT (09:31 UTC) Moonrise 7:33AMMoonset 12:00AM Illumination 16% Phase: Waxing Crescent; Moon at 4 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
    EDIT      (on/off)   Help
7 Day Forecast for Marine Location Near Egegik, AK
   Hourly   EDIT   Help
location: 58.45, -157.5     debug


Area Discussion for -
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxak68 pafc 190023
afdafc
southcentral and southwest alaska forecast discussion
national weather service anchorage ak
423 pm akdt Wed apr 18 2018

Analysis and upper levels
Large scale cyclonic flow associated with a broad low over the
eastern bering sea and a weakening front extending from western
alaska to the southern gulf of alaska are the two main synoptic
features. Generally cloudy conditions continued across much of the
forecast area. A broad area of showers associated with the
cyclonic flow continued out west. A weakening front over the gulf
continued rain across the gulf coast, with snow at higher
elevations. Easterly flow across the chugach kenai mountains has
mitigated precipitation inland across southcentral.

The pinch in the pressure gradient with northward drift of the
gulf front is producing brisk easterly winds along the coast and
through turnagain arm. Out west, northwest to west gales are
evident on western southern periphery of the bering sea low mainly
impacting the western central bering sea and aleutians.

Model discussion
Short term (through Friday afternoon) model solutions overall are
in fairly good agreement. The one main issue is that the gfs
continues being the faster of the model solutions bringing the
surface low into prince william sound on Thursday. Will continue
to lean toward a slower and further east nam ECMWF solution across
southcentral.

Aviation
Panc...VFR conditions and light winds will persist.

.Short term forecast southcentral alaska (days 1 and 2: Thursday
and Friday)...

a weak front moving northward into the north gulf coast this
afternoon is causing widespread precipitation along the southern
kenai peninsula and prince william sound. Due to the broad
easterly flow, the usual upslope trouble spots in the chugach
around whittier will be picking up several days worth of
precipitation, nearly non-stop, though the precipitation is
expected to become increasingly cellular due to more instability
with an upper level low moving into the gulf. The same easterly
flow will continue to keep the leeside areas such as the matanuska
valley, anchorage, and the western kenai peninsula mainly dry,
through a stray shower can't be ruled out. Abundant cloud cover
from the matanuska valley southward will keep low temperatures
mainly above freezing in most communities tonight.

On Thursday, a more consolidated area of low pressure forms over
the central gulf. For a time, this will also consolidate the
associated cloud cover, which may allow for anchorage and points
north and west to see some sunshine mixed in with the clouds
during the day. The precipitation may also stop for a time in
northern prince william sound Thursday afternoon as it moves
towards the low pressure system centered near middleton island. As
the low moves into western prince william sound Thursday night,
the rain and mountain snow will return in earnest.

Friday is when things get a bit more interesting across the cook
inlet region. As the moisture from the low in prince william sound
moves inland, a new low will develop near the western susitna
valley, which will pull the precipitation further inland as a
result of cold air moving into southwest alaska. The end result
will be a period where rain and snow showers will be common
through anchorage, the matanuska valley, and especially the
susitna valley Friday afternoon and evening. Higher elevations may
pick up several inches of wet snow as the entire area of moisture
moves westward. Stay tuned as precipitation types and amounts get
clearer over the next day or so.

Short term forecast southwest alaska (days 1 and 2)
A weakening low over the bering sea is exerting its influence
over southwest this afternoon. Southeast winds aloft and at the
surface are generally keeping most places downsloped, but some
showers are impacting parts of the bristol bay region, and these
will continue through the night until diminishing Thursday. The
low will eventually weaken and move southeast, with drying and
warming Thursday before a trough digs in late Friday. This trough
will generally be dry but will bring cooler air into the region.

Short term forecast bering sea aleutians (days 1 and 2)
A weakening gale force low south of the pribilof islands will
continue to weaken and shift east through Thursday leaving weak
high pressure in its wake. Another low over the north pacific will
clip the western and central aleutians Friday, but easterly winds
should remain below gale force. Otherwise, rather quiet spring
weather will dominate with some fog and stratus.

Long term forecast (Saturday through Wednesday)
On Saturday the remnants of the upper low dropping down through
the interior of the state will produce widespread precip across
the upper kuskokwim valley and interior bristol bay zones before
the low heads out into the eastern bering on Sunday. Bristol bay
locations should be warm enough for rain, but the lower kuskokwim
valley from aniak to stony may stay cold enough for a few inches
of snow accumulation. Meanwhile gusty, cloudy, and cool
conditions across southcentral will slowly dissipate by the end of
the weekend.

The first half of next week will feature a continuation of the
pattern we are in right now, which means southeast flow across
most of southern alaska with rounds of steady rain fronts along
the coastal areas and cloudy cool but mostly dry conditions inland
and in the favored downslope areas.

Afc watches warnings advisories
Public... None.

Marine... Gale warning 119 174>177.

Synopsis and model discussion... Rc
southcentral alaska... Jw
southwest alaska bering sea aleutians... Ja
long term... Ad


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Egegik, Egegik Airport, AK7 mi35 minE 510.00 miA Few Clouds30°F28°F96%993.4 hPa

Wind History from AII (wind in knots)
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
Last 24hrSE21
G29
SE24
G31
SE20
G27
SE20
G25
SE17
G26
--------SE19
G25
SE18
G21
SE16
G22
SE17
G24
SE16
G22
SE17
G22
SE17----SE14
G19
SE9--E6E7E5
1 day agoE5--E5--SE9SE10SE9--SE21
G25
------SE19
G29
SE23
G32
SE23
G30
SE26
G32
SE25
G33
SE22
G31
SE23
G34
E19
G28
SE24
G30
E17
G27
E19
G32
SE22
G31
2 days ago--S12----SW7SW7SW4----W11
G17
W11W7W9----W6--W4--3NW3CalmCalm--

Tide / Current Tables for Middle Bluff, Kvichak Bay, Bristol Bay, Alaska
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Middle Bluff
Click for Map
Thu -- 01:25 AM AKDT     -0.30 feet Low Tide
Thu -- 01:34 AM AKDT     Moonset
Thu -- 07:06 AM AKDT     Sunrise
Thu -- 08:02 AM AKDT     20.65 feet High Tide
Thu -- 09:33 AM AKDT     Moonrise
Thu -- 02:23 PM AKDT     4.91 feet Low Tide
Thu -- 07:42 PM AKDT     15.84 feet High Tide
Thu -- 09:53 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.8-0.10.12.77.112.116.519.520.719.717.113.710.16.95.15.37.510.613.515.415.814.311.37.5

Tide / Current Tables for Kvichak Bay (off Naknek River entrance), Alaska Current
   EDIT      (on/off)   Help   One Week of Data
Kvichak Bay (off Naknek River entrance)
Click for Map
Thu -- 01:15 AM AKDT     0.00 knots Slack
Thu -- 01:35 AM AKDT     Moonset
Thu -- 03:32 AM AKDT     3.07 knots Max Flood
Thu -- 07:01 AM AKDT     -0.01 knots Slack
Thu -- 07:04 AM AKDT     Sunrise
Thu -- 09:30 AM AKDT     Moonrise
Thu -- 10:15 AM AKDT     -2.40 knots Max Ebb
Thu -- 02:11 PM AKDT     0.01 knots Slack
Thu -- 03:54 PM AKDT     1.94 knots Max Flood
Thu -- 06:43 PM AKDT     -0.00 knots Slack
Thu -- 09:53 PM AKDT     Sunset
Thu -- 10:00 PM AKDT     -2.52 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.4-0.41.42.932.31.40-1.3-2-2.4-2.3-2.1-1.6-0.31.41.91.50.7-0.3-1.5-2.3-2.5-2.3

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_P
GOES 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 King Salmon
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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 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.