Friday, May24, 2019 L-36.com


Marine Weather and Tides
Coffman Cove, AK

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 4:10AMSunset 9:38PM Friday May 24, 2019 5:13 PM AKDT (01:13 UTC) Moonrise 1:40AMMoonset 9:38AM Illumination 65% Phase: Waning Gibbous; Moon at 21 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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PKZ035 Sumner Strait- 257 Pm Akdt Fri May 24 2019
Tonight..W wind 13 kt. Seas 3 ft.
Sat..W wind 10 kt. Seas 2 ft or less.
Sat night..W wind 10 kt. Seas 3 ft in the evening then 2 ft or less.
Sun..W wind 10 kt. Seas 2 ft or less.
Sun night..W wind 10 kt. Seas 2 ft or less.
Mon..SW wind 10 kt. Seas building to 3 ft.
Tue..SW wind 15 kt. Seas 3 ft.
Wed..SW wind 10 kt. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Coffman Cove, AK
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location: 56.02, -132.92     debug


Area Discussion for -
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Fxak67 pajk 242250
afdajk
southeast alaska forecast discussion
national weather service juneau ak
250 pm akdt Fri may 24 2019

Short term Some residual shower activity is still present over
the southern half of the panhandle associated with a low tracking
south over the eastern gulf. None of the showers are particularly
strong, so expect low precipitation totals, if it does rain this
afternoon.

North of the low, a glance into the weekend forecast presents
itself. Skies will continue to clear, and a warm air mass will
station itself over the panhandle. This will allow temperatures on
Saturday and Sunday to climb into the 70s across the interior
portions of southeast alaska (60s closer to the coast).

Sunday a front will track north over the western half of the gulf
which has the potential to keep conditions a bit cloudier along
the coastline; however, outside of the northeast gulf coast no
precipitation is expected Sunday. Overall forecast confidence is
above average with little change required in the short term.

Long term Sunday through Friday as of 10 pm Thursday
upper ridge will remain over and just east of the area into early
next week. After mon, they hint that the ridge will be nudged
slowly E as several shortwaves move N on its W side. Still a lot
of model differences on track of these shortwaves though, so
confidence in making any forecast changes after Mon was on the low
side, so pretty much left the forecast as is beyond then. Did use
an 18z GFS 12z ec blend to tweak pressures and winds for Sun into
early mon.

Did not change pops for the early part of the period due to some
differences in how far E the weakening occluded front would get.

Majority of the models would suggest slowing the eastward shift to
the pops however. Later shifts can change this if the model ideas
become more consistent with this front.

The upper ridge may weaken and drift far enough E by midweek to
better allow systems to move across the area. However, kept in
only chance pops for that time frame given significant model
timing track differences with those systems.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory due to seas for pkz022-041>043-051-052.

Jb rwt
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCNA2 - Lincoln Rock, AK 12 mi63 min WSW 11 G 15 55°F 1018.7 hPa46°F
CDEA2 - Cape Decision, AK 64 mi51 min W 20 G 22 49°F 45°F
KECA2 - 9450460 - Ketchikan, AK 84 mi43 min NW 8 G 13 53°F 49°F1019.9 hPa

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Klawock - Klawock Airport, AK33 mi80 minVar 610.00 miOvercast52°F44°F75%1021.4 hPa

Wind History from AKW (wind in knots)
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Last 24hr--SW654SW3SW3------SW3--CalmCalmS43344--SW6SW8SW7
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1 day agoS9S8S7SW5SW4S3SW3S3Calm--3Calm--SW3--CalmCalmSW3SW5SW7CalmSW43--
2 days ago3--3Calm--Calm--S4S4CalmCalmCalmS4S3--S5S855--SW9S7SW8SW5

Tide / Current Tables for Lake Bay, Alaska
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Lake Bay
Click for Map
Fri -- 01:39 AM AKDT     Moonrise
Fri -- 04:23 AM AKDT     Sunrise
Fri -- 04:52 AM AKDT     14.17 feet High Tide
Fri -- 09:38 AM AKDT     Moonset
Fri -- 11:22 AM AKDT     0.80 feet Low Tide
Fri -- 06:16 PM AKDT     12.62 feet High Tide
Fri -- 09:14 PM AKDT     Sunset
Fri -- 11:41 PM AKDT     5.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.67.49.812.113.714.213.2117.94.72.20.91.12.54.77.49.811.712.612.310.98.96.95.6

Tide / Current Tables for Exchange Cove, Alaska
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Exchange Cove
Click for Map
Fri -- 01:40 AM AKDT     Moonrise
Fri -- 04:23 AM AKDT     Sunrise
Fri -- 04:51 AM AKDT     13.27 feet High Tide
Fri -- 09:38 AM AKDT     Moonset
Fri -- 11:25 AM AKDT     0.80 feet Low Tide
Fri -- 06:15 PM AKDT     11.72 feet High Tide
Fri -- 09:16 PM AKDT     Sunset
Fri -- 11:44 PM AKDT     5.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.47.19.311.412.813.312.410.37.54.52.20.912.34.46.89.110.911.711.410.28.46.75.6

Weather Map and Satellite Images
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wmap_P
GOES 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 (21,6,7,8)
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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 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.