Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Angoon, AK

Version 3.4
NOTICE
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 5:31AMSunset 8:30PM Wednesday August 21, 2019 8:27 AM AKDT (16:27 UTC) Moonrise 10:32PMMoonset 12:26PM 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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PKZ034 Frederick Sound- 358 Am Akdt Wed Aug 21 2019
Today..NW wind 10 kt becoming sw in the afternoon. Seas 3 ft early in the morning then 2 ft or less, then then 3 ft in the afternoon. Showers early in the morning.
Tonight..S wind 15 kt. Seas 3 ft.
Thu..S wind 20 kt. Gusts to 35 kt in the afternoon. Seas 4 ft. Rain.
Thu night..SE wind 30 kt. Seas 6 ft. Rain.
Fri..SE wind 20 kt. Seas 5 ft.
Sat..SE wind 20 kt. Seas 4 ft.
Sun..S wind 15 kt. Seas 4 ft.


7 Day Forecast for Marine Location Near Angoon, AK
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location: 57.31, -134.13     debug


Area Discussion for -
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Fxak67 pajk 211414
afdajk
southeast alaska forecast discussion
national weather service juneau ak
614 am akdt Wed aug 21 2019

Synopsis A gale force low over the north shore of haida gwaii
tracks NE and moves ashore around portland canal late this
morning. Low pressure then resides over western canada this
afternoon and this evening as a weak ridge of high pressure builds
over the gulf and panhandle. A new gale force low emerges in the
central gulf Thu morning as the ridge migrates to canada.

Short term The gale force low took a more southerly course
across northern haida gwaii overnight, thus avoiding the worst
possible wind impacts. While there were some strong wind gusts,
the worst of the winds remained to the south over haida gwaii,
first with southeasterlies and this morning with westerlies behind
the system. The low will then make landfall around the mouth of
portland canal.

Perhaps the main impacts for this storm was the copious rainfall.

The southern and south-central panhandle received 2 to 6 inches
of rainfall, much needed to make up for the drought deficits.

Ketchikan even set a new record precipitation total for the date
of august 20th. The 4.85 inches was the most the city has received
on a single day since february of 2016. While we are certain it
was a potentially difficult day to endure if outdoors, it was
badly needed. Petersburg, craig, klawock, and wrangell also
received beneficial rains. Showers coverage will essentially
shrink to the coast mountains and far south by afternoon. Places
to the north like juneau barely received a trace, and gustavus and
yakutat both fell into the 30s due to clear skies and a much drier
air mass.

A weak forerunner system arrives from the gulf tonight and
applies enough forcing to enhance shower activity late tonight
into early Thursday. However the next big system we watch will be
a new gale force low entering the central gulf Thursday. There is
still model spread on this feature, but largely our previous
forecast differed little from the cluster of solutions, so changes
were not needed. While steady rainfall spreads across southeast
Thursday and Thursday night, we do not anticipate it will produce
anywhere near what Tuesday's system brought. We additionally
cooled temperatures across the board on Thursday. Breezy
conditions will likely occur along the coast and through many of
the inner channels.

Forecast confidence is generally good. High res models like the
hrrr and the namnest aided re-positioning of the low this morning.

Long term Friday through Wednesday night as of 10 pm
Tuesday active zonal pacific jet will continue just to the south
of the panhandle through Saturday. In general this means the
continuation of a general onshore flow pattern and periods of
showery weather. As usual in zonal flow, forecast guidance is
having trouble nailing down individual shortwave features, but
overall a damp forecast through the long term period. There are
some indications early next week of upper ridging beginning to
develop over the eastern npac. This would tend to be a pattern
that would direct more subtropical moisture northward and into the
gulf of alaska but exactly when and where this sets up is still in
question. Very little in the way of change was made to the
forecast as the inherited forecast represented the above pattern
well. Temperatures were cooled slightly into the early part of the
weekend to account for more cloud cover and rainfall. Potential
for some warming early next week as the pacific ridge begins to
assert itself. Forecast confidence is high in the general pattern
but as usual, low on the details.

Aviation While southern airports demanded the most attention
with lower ceilings due to the approaching low, improvement has
already begun. But due to excess moisture around there is still
some chances of periodic very low conditions in fog. Also, some
wind sheer has been added over the far south up to sitka.

Meanwhile, northern sites are much more simple due to much less
impactful weather. Just as eilings gradually improve over the
south today, some will lower again tonight to MVFR.

Marine The only hazards are confined to marine waters over the
far south. A brief small craft advisory early this morning remains
for clarence strait, and strong northwesterlies on the back side
of the low remain in zones 41 and 42. These will quickly diminish
but high seas should linger in zone 41 through tonight. As the
low lifts inland into canada, a wind shift to southerly looks to
occur in the north and north central inner channels.

Hydrology Several southern area streams responded to the 2 to 5
inches of rainfall that fell over the area the last couple of
days. But none reached action stage. The heavier rainfall rates
have ended across the panhandle, and so rivers and creeks have
already begun to respond by falling.

Climate We had two records yesterday, august 20. Yakutat
dipped to 33 degrees which broke the old record of 35 from 1986.

And drought-plagued ketchikan just barely broke a 90 year old
daily precipitation record. The 4.85 inches of rainfall broke the
old record of 4.84 from 1929. Certainly good news for the far
southern panhandle.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz022-036-041-042.

Jwa del
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FFIA2 - Five Finger, AK 27 mi28 min N 7 G 7 49°F 1002.2 hPa (+2.0)
PGXA2 33 mi35 min N 2.9 G 8 52°F 50°F
TKEA2 - Tenakee Springs, AK 66 mi26 min WNW 5.1 G 7 56°F 1001.2 hPa41°F
SDIA2 - South Douglas, AK 68 mi40 min Calm G 1.9 52°F 1001.5 hPa48°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK25 mi3.5 hrsN 02.00 miLight Rain Fog/Mist50°F48°F96%1002.6 hPa

Link to 5 minute data for PAFE

Wind History from AFE (wind in knots)
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Last 24hrCalmNE3--W3W5--W3W4NE5------W5----------5--------Calm
1 day agoCalmCalmCalmSE5SW44W54--S3------5NE6NE10----NE8NE10--------
2 days ago--N8--N13
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Tide / Current Tables for Cannery Cove, Pybus Bay, Alaska
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Cannery Cove
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Wed -- 04:56 AM AKDT     12.36 feet High Tide
Wed -- 05:35 AM AKDT     Sunrise
Wed -- 11:02 AM AKDT     2.16 feet Low Tide
Wed -- 12:26 PM AKDT     Moonset
Wed -- 05:20 PM AKDT     13.28 feet High Tide
Wed -- 08:22 PM AKDT     Sunset
Wed -- 10:31 PM AKDT     Moonrise
Wed -- 11:43 PM AKDT     2.48 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.94.97.610.111.812.411.69.87.44.82.92.22.84.87.410.112.213.21311.69.46.74.42.8

Tide / Current Tables for Eliza Harbor, Admiralty Island, Alaska
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Eliza Harbor
Click for Map
Wed -- 04:58 AM AKDT     11.94 feet High Tide
Wed -- 05:36 AM AKDT     Sunrise
Wed -- 11:04 AM AKDT     2.12 feet Low Tide
Wed -- 12:27 PM AKDT     Moonset
Wed -- 05:22 PM AKDT     12.84 feet High Tide
Wed -- 08:23 PM AKDT     Sunset
Wed -- 10:32 PM AKDT     Moonrise
Wed -- 11:45 PM AKDT     2.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.84.77.29.711.411.911.39.67.24.82.92.12.74.57.19.711.712.812.611.39.26.64.32.8

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (12,3,4,5)
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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.