Saturday, March23, 2019 L-36.com


Marine Weather and Tides
Petersburg, 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 6:51AMSunset 7:17PM Friday March 22, 2019 8:11 PM AKDT (04:11 UTC) Moonrise 9:44PMMoonset 7:59AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 716 Pm Akdt Fri Mar 22 2019
Tonight..E wind 15 kt. Gusts to 35 kt late. Seas 4 ft, except 7 ft near ocean entrances. Rain late.
Sat..SE wind 20 kt. Gusts to 35 kt in the afternoon. Seas 4 ft, except 7 ft near ocean entrances.
Sat night..E wind 15 kt. Seas 3 ft.
Sun..NE wind 10 kt. Seas 2 ft or less, except 5 ft near ocean entrances.
Sun night..N wind 15 kt. Seas 3 ft.
Mon..NE wind 15 kt. Seas 3 ft.
Tue..NE wind 15 kt becoming nw. Seas 3 ft.
Wed..N wind 10 kt. Seas building to 3 ft.


7 Day Forecast for Marine Location Near Petersburg, AK
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location: 56.63, -132.93     debug


Area Discussion for -
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Fxak67 pajk 222242
afdajk
southeast alaska forecast discussion
national weather service juneau ak
242 pm akdt Fri mar 22 2019

Short term A small quick moving feature will be moving along
the older frontal band over the eastern gulf of alaska. The low
will be 60-100 nm west of dixon entrance early Friday evening
about 60-100 nm and then south of prince william sound by Saturday
morning. Tee wave will bring a band of rain and wind into the
southern panhandle starting about midnight. Am not expecting much
prefrontal where the east-west channels would be preferred,
though the winds will increase after the front when the southerly
will pick up behind the front for a few hours. Believe the burst
of winds should be in the 25-30 kt range for the inside marine
forecasts.

The front will bring through some light rain, with less than a
quarter inch rainfall accumulations. Behind the front high
pressure will build north through the panhandle and british
columbia through Saturday night into Sunday. The ridge will push a
lobe into the northern gulf and anchor over the northern gulf by
late Sunday. The ridge should shut off the precipitation by
Sunday, although the clearing skies could be a little slower.

Long term Sunday through Friday as of 10 pm Thursday
yet another mid to upper tropospheric blocking pattern looks to
emerge over the next week. Both the us and european ensembles are
bullish in building heights over the gulf and northward into the
central and eastern interior of alaska Sunday and continuing
through the work week. This will effectively prevent significant
storm systems from approaching SE alaska.

Higher heights to our north and west will promote generally north
to northeast low level flow through the week. During the winter
months, this is typically a colder and drier pattern for the
panhandle. GEFS and european ensemble 850mb temperature anomalies
indicate very little cold air will be able to build over NW canada
and thus warm, dry, and pleasant weather is likely to be the rule
next week with highs in the 50s and overnight lows dropping into
the 30s.

Winds over the inside waters will generally be northerly or
northeasterly. A few more aggressive model solutions indicate the
potential for a brief late season outflow event early next week
but the lack of a true arctic airmass to the north casts some
doubts on this prospect.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz012-013-031>034-036-041>043-051-052.

Small craft advisory due to seas for pkz022-053.

Bezenek del
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCNA2 - Lincoln Rock, AK 42 mi61 min ESE 9.9 G 14 47°F 1004.3 hPa42°F
FFIA2 - Five Finger, AK 58 mi71 min S 4.1 G 4.1 44°F 1006 hPa (-1.0)

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Petersburg, AK13 mi15 minSE 410.00 miMostly Cloudy45°F39°F80%1006.7 hPa

Wind History from APG (wind in knots)
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Last 24hrS7CalmN3Calm3CalmNE4W4SW3CalmW3W3CalmCalmCalmCalmE3CalmCalmE4CalmCalmSE4SE4
1 day agoSW5SE4CalmCalmCalmE3W4CalmW6NW4CalmCalmCalmW5CalmNE4NE3NE3SE64CalmE4NE5SE4
2 days agoW5CalmCalmSW3CalmCalmS3CalmCalmCalm3CalmNE3W3W5E43SE63SE3NE4CalmW5SW3

Tide / Current Tables for Anchor Point, Alaska
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Anchor Point
Click for Map
Sat -- 05:16 AM AKDT     22.44 feet High Tide
Sat -- 06:45 AM AKDT     Sunrise
Sat -- 08:17 AM AKDT     Moonset
Sat -- 11:20 AM AKDT     -3.45 feet Low Tide
Sat -- 05:45 PM AKDT     20.95 feet High Tide
Sat -- 07:11 PM AKDT     Sunset
Sat -- 11:09 PM AKDT     Moonrise
Sat -- 11:34 PM AKDT     -1.47 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.13.49.315.32022.321.617.8125.3-0.3-3.2-2.80.65.811.616.820.120.918.6148.22.6-0.9

Tide / Current Tables for Wrangell Narrows (off Petersburg), Alaska Current
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Wrangell Narrows (off Petersburg)
Click for Map
Sat -- 12:50 AM AKDT     5.47 knots Max Flood
Sat -- 03:47 AM AKDT     -0.01 knots Slack
Sat -- 06:45 AM AKDT     Sunrise
Sat -- 07:00 AM AKDT     -5.43 knots Max Ebb
Sat -- 08:17 AM AKDT     Moonset
Sat -- 10:06 AM AKDT     0.01 knots Slack
Sat -- 01:17 PM AKDT     5.14 knots Max Flood
Sat -- 04:16 PM AKDT     -0.01 knots Slack
Sat -- 07:12 PM AKDT     Sunset
Sat -- 07:22 PM AKDT     -4.75 knots Max Ebb
Sat -- 10:20 PM AKDT     0.00 knots Slack
Sat -- 11:09 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.15.54.52.3-0.6-3.1-4.8-5.4-4.9-3.1-0.32.54.35.14.83.20.7-1.8-3.7-4.7-4.6-3.3-11.9

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 (0,6,7,8)
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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.