Kupreanof, AK Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Kupreanof, AK

April 21, 2024 8:14 PM AKDT (04:14 UTC) Change Location
Sunrise 5:24 AM   Sunset 8:27 PM
Moonrise 5:58 PM   Moonset 5:05 AM 
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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.

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Marine Forecasts
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PKZ035 Sumner Strait- 208 Pm Akdt Sun Apr 21 2024

Tonight - SE wind 10 kt. Seas building to 3 ft in the evening, then then 2 ft or less late.

Mon - E wind 10 kt. Seas 2 ft or less.

Mon night - E wind 10 kt. Seas 2 ft or less.

Tue - N wind 10 kt. Seas 3 ft.

Tue night - Light winds. Seas 2 ft or less.

Wed - S wind 10 kt. Seas 2 ft or less.

Thu - SE wind 10 kt. Seas 2 ft or less.

Fri - Light winds. Seas 2 ft or less.

PKZ005
No data


7 Day Forecast for Marine Location Near Kupreanof, AK
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Area Discussion for - Juneau, AK
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FXAK67 PAJK 212229 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 229 PM AKDT Sun Apr 21 2024

SHORT TERM
A weakening low continues to push into the southern panhandle this afternoon bringing rain showers to parts of the panhandle. Most of the rain has been relegated to the southern portion or offshore. For the rest of the panhandle, cloud cover has returned allowing for some relief from the record warmth that was experienced yesterday. As we head into the overnight hours, rain showers are expected to continue across the southern panhandle while slowly working northward. The chances of rain showers for the northern panhandle remains low as showers will be moving from west to east trying to come over the Coast Mountains.
Any places that do see rain from the passing showers will see only light accumulations. With the cloud cover continuing over the area for the short term, temperatures will stay moderated during the daytime and overnight hours.

LONG TERM
Key Message: -Minor changes to the forecast with precipitation chances on the downtrend by Monday night, somewhat dry conditions return by mid- week.

Discussion: Minor changes to the long term forecast with down trends in PoP chances through mid week. The dynamics with the system on Monday afternoon still aren't impressive given a lack of upper or mid level support in addition to the lack of any significant amount of moisture. For now, went with low end slight chance of PoPs in the forecast on Monday afternoon as the weak front occludes over southern portions of the AOR with the main parent low sliding southeast towards CONUS.

One change to the forecast is Wednesday with an aloft low system passing south of the panhandle. Easterly flow aloft combined with modest vorticity advection and clearing skies may lead to some easterly showers developing around Skagway, Juneau, Petersburg, Wrangell, and Hyder. At this time, the chance is not great, represented in roughly 20 PoPs for the time frame. However, if these showers do generate, then high temperatures for these areas will likely be lower than expected.

Looking ahead, confidence continues grow that by Tuesday onwards dry conditions should prevail, with partly to mostly sunny skies and high temperatures increasing into the 50s & 60s.



AVIATION
VFR to MVFR conditions expected through the TAF period with increasing cloud cover and isolated rain chances. Winds should range from calm up to 15 kt, especially near any shower activity.



AJK WATCHES/WARNINGS/ADVISORIES
PUBLIC...None.
MARINE...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
WGXA2 43 mi31 min ENE 2.9G5.1 50°F 30.0745°F
LCNA2 - Lincoln Rock, AK 48 mi64 min N 1.9G4.1 49°F 41°F


Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
PAPG PETERSBURG JAMES A JOHNSON,AK 15 sm18 mincalm10 smOvercast Lt Rain 46°F46°F100%30.14
Link to 5 minute data for PAPG


Wind History from APG
(wind in knots)
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Tide / Current for Castle Islands, Duncan Canal, Alaska
   
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Castle Islands
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Sun -- 12:32 AM AKDT     14.54 feet High Tide
Sun -- 05:04 AM AKDT     Moonset
Sun -- 05:28 AM AKDT     Sunrise
Sun -- 06:26 AM AKDT     1.38 feet Low Tide
Sun -- 12:53 PM AKDT     13.97 feet High Tide
Sun -- 05:57 PM AKDT     Moonrise
Sun -- 06:32 PM AKDT     1.48 feet Low Tide
Sun -- 08:15 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Castle Islands, Duncan Canal, Alaska, Tide feet
12
am
14.3
1
am
14.3
2
am
12.7
3
am
9.7
4
am
6.2
5
am
3.2
6
am
1.6
7
am
1.6
8
am
3.1
9
am
5.6
10
am
8.6
11
am
11.4
12
pm
13.4
1
pm
14
2
pm
12.9
3
pm
10.2
4
pm
6.8
5
pm
3.7
6
pm
1.8
7
pm
1.7
8
pm
3.2
9
pm
5.9
10
pm
9.1
11
pm
12.2



Tide / Current for Wrangell Narrows (off Petersburg), Alaska Current
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Wrangell Narrows (off Petersburg)
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Sun -- 12:46 AM AKDT     -0.01 knots Slack
Sun -- 04:12 AM AKDT     -3.60 knots Max Ebb
Sun -- 05:04 AM AKDT     Moonset
Sun -- 05:27 AM AKDT     Sunrise
Sun -- 06:58 AM AKDT     0.00 knots Slack
Sun -- 10:17 AM AKDT     3.51 knots Max Flood
Sun -- 01:09 PM AKDT     -0.00 knots Slack
Sun -- 04:28 PM AKDT     -3.47 knots Max Ebb
Sun -- 05:57 PM AKDT     Moonrise
Sun -- 07:07 PM AKDT     0.01 knots Slack
Sun -- 08:15 PM AKDT     Sunset
Sun -- 10:25 PM AKDT     3.74 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Wrangell Narrows (off Petersburg), Alaska Current, knots
12
am
1.3
1
am
-0.4
2
am
-1.9
3
am
-3
4
am
-3.6
5
am
-3.3
6
am
-1.9
7
am
0
8
am
1.7
9
am
2.8
10
am
3.5
11
am
3.2
12
pm
2
1
pm
0.3
2
pm
-1.4
3
pm
-2.7
4
pm
-3.4
5
pm
-3.3
6
pm
-2.2
7
pm
-0.2
8
pm
1.7
9
pm
2.9
10
pm
3.6
11
pm
3.6




Weather Map
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GEOS Local Image of Pacific Northwest   
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Sitka/Juneau,AK



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