Saturday, April10, 2021
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Marine Weather and Tides
Port Alexander, AK

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:55AMSunset 8:02PM Saturday April 10, 2021 7:52 PM AKDT (03:52 UTC) Moonrise 6:22AMMoonset 6:24PM Illumination 1% Phase: Waning Crescent; Moon at 29 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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PKZ033 Southern Chatham Strait- 718 Pm Akdt Sat Apr 10 2021 Updated
Tonight..W wind 15 kt in the evening becoming light. Seas 2 ft or less, except 7 ft near ocean entrances.
Sun..Light winds. Seas 2 ft or less, except 4 ft near ocean entrances.
Sun night..SE wind 15 kt. Seas building to 3 ft late.
Mon..S wind 15 kt. Seas 3 ft, except 6 ft near ocean entrances. Rain.
Mon night..S wind 20 kt. Seas 4 ft, except 8 ft near ocean entrances.
Tue..S wind 15 kt. Seas 4 ft.
Wed..S wind 10 kt becoming light. Seas 2 ft or less.
Thu..Light winds. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Port Alexander, AK
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location: 56.17, -134.67     debug


Area Discussion for -
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FXAK67 PAJK 102237 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 237 PM AKDT Sat Apr 10 2021

SHORT TERM. /Through Monday/ Lingering showers are the rule of the day across the panhandle this afternoon. Though the showers are not quite as strong as what was seen in Juneau yesterday, there have been some reports of up to 2 inches in the northern panhandle over the last 12 to 24 hours. Helping the showers stay as snow is a wedge of cold outflow that is blowing down through the northern panhandle right now. Lynn Canal has been blowing around 25 to 30 kt out of the north most of the day and temperatures have been struggling to get out of the 20s this afternoon for places north of Angoon and Sitka (Haines and Skagway are barely out of the teens).

The showers should continue this evening before starting to diminish late as what is left of the trough over the area gets pushed in Canada tonight. One day of relatively quiet weather on Sun as conditions will be mostly dry and the northerly winds diminish Sat night and then switch to a southerly on Sun. Focus then shifts to the next front working its way across the gulf for Mon. This front is looking wet and warm with a moisture stream going all the way back to the tropics (though the integrated moisture transport vectors are not that high with this system), but there is not much wind associated with it (gale force near Cape Suckling at most on Mon). Looks like precip will be starting up again for the NE gulf coast Sun evening and will spread eastward Sun night into Mon (it will stop short of reaching the southern panhandle though with only slight chance to chance pops there). Precip likely to start as snow for a few areas in the north, but is generally expected to switch over to rain with low snow accumulation expected (850 mb temps warming into the 4 to 6 below zero C range in the northern panhandle by Mon night with warmer temps elsewhere). The question mark is Yakutat. Their temperatures are expected to remain near to above freezing Sun night with a rain/snow mix and snow accumulations possibly reaching 4 inches. However a change of temperature of only a few degrees could turn this to all rain with no snow accumulation, or all snow with significant snow accumulations possible. No really clear signal either way at the moment though mos temperatures and ensemble guidance trending toward the warmer side of things, but still with some snow accumulation to start. Forecast confidence here is rather low as a result. Forecast changes were rather minor with most focusing on lowering temps for the north this evening and refining ptype on Sun night into Mon.

LONG TERM. /Monday through Friday night/ . An upper level ridge will be shifting east under the influence of a weakening southwesterly jet. The jet will begin to re-orient by Tuesday morning as an upstream upper trough digs well south of 50N and shifts east over the Alaskan Peninsula. As this happens, the EASTPAC high will build north over the far southeastern Gulf and expand into central British Columbia by Wednesday morning. The surface high will bring with it a substantially warmer low level airmass by mid week which will be most prominent over the southern half of the Panhandle. Look for daytime highs to reach the mid 50s for locations south of Sumner Strait on Wednesday. These conditions should expand north to Frederick Sound by Thursday. Locations farther north will warm up also as we go through the upcoming week, but not as much as the far southern zones.

The warming temperatures will not coincide with dry conditions, at least at first. A front will be moving across the northern two thirds of the Panhandle on Monday morning. Cold low level air left over from Sunday night will result in more snow on Monday morning, but the rain/snow line will retreat quickly to the north as the warmer airmass moves in from the south. Overnight lows Monday night will see the rain/snow line shift south somewhat, but it will surge north again on Tuesday as precipitation from the front continues. What is left of this first front will be absorbed by rapidly moving second front Wednesday afternoon/evening. The associated parent low will remain over the western Gulf and upper level steering will keep this front focused over the northeast Gulf Coast from Tuesday night through Wednesday afternoon.

Long range models are indicating a drying trend from south to north beginning over the far southern zones by Tuesday afternoon. By late Wednesday night, all of Southeast Alaska should be dry and remain so through at least Friday night. -FCF

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . None. MARINE . Gale Warning for PKZ052. Small Craft Advisory for PKZ012-013-021-022-041>043-051.



EAL/Fritsch

Visit us at http://www.weather.gov/Juneau


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PLXA2 - 9451054 - Port Alexander, AK 5 mi58 min W 1.9 G 4.1 36°F 42°F1027.2 hPa
CDEA2 - Cape Decision, AK 31 mi30 min W 19 G 23 38°F 1026.9 hPa25°F
FFIA2 - Five Finger, AK 94 mi52 min NNE 6 G 7 36°F 1025.3 hPa (+1.8)

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PAAP

Wind History from AAP (wind in knots)
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Last 24hr--1--NW15
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1 day ago--1--1----------------------------------NE15
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2 days ago--W5--N5--4------------------------------Calm--E1

Tide / Current Tables for Cape Ommaney, Alaska
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Cape Ommaney
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Sat -- 12:40 AM AKDT     9.65 feet High Tide
Sat -- 06:04 AM AKDT     Sunrise
Sat -- 06:21 AM AKDT     Moonrise
Sat -- 06:52 AM AKDT     1.09 feet Low Tide
Sat -- 12:49 PM AKDT     9.25 feet High Tide
Sat -- 06:24 PM AKDT     Moonset
Sat -- 06:59 PM AKDT     0.60 feet Low Tide
Sat -- 07:56 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.49.68.774.92.91.51.11.83.45.57.58.99.28.56.94.72.71.10.61.22.85.17.4

Tide / Current Tables for Port Conclusion, Baranof Island, Alaska
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Port Conclusion
Click for Map
Sat -- 12:41 AM AKDT     11.05 feet High Tide
Sat -- 06:04 AM AKDT     Sunrise
Sat -- 06:21 AM AKDT     Moonrise
Sat -- 06:53 AM AKDT     1.09 feet Low Tide
Sat -- 12:50 PM AKDT     10.65 feet High Tide
Sat -- 06:24 PM AKDT     Moonset
Sat -- 07:00 PM AKDT     0.60 feet Low Tide
Sat -- 07:56 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.7111085.53.21.61.11.93.86.28.610.210.69.87.95.531.30.61.33.15.78.4

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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