Sunday, September19, 2021
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Marine Weather and Tides
Sitka and, AK

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:35AMSunset 7:06PM Sunday September 19, 2021 6:51 AM AKDT (14:51 UTC) Moonrise 6:26PMMoonset 3:34AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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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PKZ032 Northern Chatham Strait- 347 Am Akdt Sun Sep 19 2021
Today..Light winds becoming S 10 kt in the afternoon. Seas 2 ft or less.
Tonight..SE wind increasing to 20 kt. Seas building to 4 ft. Rain late.
Mon..S wind 25 kt. Seas 5 ft. Rain.
Mon night..S wind 20 kt. Gusts to 35 kt. Seas 5 ft. Rain.
Tue..S wind 15 kt. Seas 3 ft.
Wed..S wind 15 kt. Seas 3 ft.
Thu..S wind 15 kt. Seas 3 ft.


7 Day Forecast for Marine Location Near Sitka and , AK
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location: 57.04, -135.39     debug


Area Discussion for -
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FXAK67 PAJK 191426 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 626 AM AKDT Sun Sep 19 2021

SHORT TERM. Satellite imagery and sfc analysis show a weak vort max moving across SE AK bringing isold-sct shra to the panhandle early this morning. Although this feature weakens, persistent onshore flow will maintain schc to low end chc PoPs through Sunday. Focus then shifts to the gale force low the moves through the SW gulf to the N gulf coast through Mon. This will bring a round of gales to the eastern gulf waters late tonight into Mon. Expect SCA winds over most of the inside waters as the front moves through and some gusts to 40-45 mph to western coastal areas of POW. This front also features IVT anomaly values around +3 to +4 with mdt-hvy precip expected for the panhandle into Tue. The heaviest precip amounts look to remain S of the Dixon Entrance into W BC, but total precip amounts from this system of 1.5-3 inches expected through Tue. Given low flow on area rivers and streams, do not expect hydro impacts from this system. Modeled instability indices increase over the NE gulf and adjacent coastal areas Mon night into Tue, so introduced mention of thunder overnight into Tue morning. Inherited forecast represented this well with changes focused on adjusting mass fields to obs, adding mention of thunder and increasing QPF over the S panhandle slightly. Overall forecast confidence remains above average through the period.

LONG TERM. /Tuesday through Saturday night/ . The extended period will be an active, stormy period for SE Alaska and the surrounding waters as a couple of robust low pressure systems move through the Gulf. An upper level low will have moved over the region by Monday and be exiting to the east as an open wave trough Wednesday. Ridging behind the low will quickly move across the panhandle before the next upper level low tracks over the Gulf Thursday, again staying in place for a few days. Although this pattern has above average predictability it continues to have spread within the timing, location and strength.

There will be a rather short period of calmer weather Wednesday into Thursday under the upper level ridge. The late week system expected to track across the Gulf of Alaska with very strong maritime winds (potential to be storm force) and wave threats. More heavy precipitation due to a long fetch of moisture pushing northeastward into Southeast Alaska is also expected. But here model recurrence intervals for QPF showing much larger spread.

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . None. MARINE . Gale Warning for PKZ042. Small Craft Advisory for PKZ022-033-036-041-043-051-052.



99/Fritsch

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SHXA2 2 mi18 min E 2.9 G 4.1 48°F 1003.3 hPa47°F
ITKA2 3 mi51 min 47°F 55°F1005.2 hPa (+1.8)
STXA2 5 mi18 min Calm G 1.9 48°F 1002.8 hPa47°F
PGXA2 41 mi18 min Calm G 1 50°F 47°F
46084 - Cape Edgecumbe Buoy AK 48 mi31 min WNW 5.8 G 9.7 54°F 54°F1004.6 hPa51°F
TKEA2 - Tenakee Springs, AK 52 mi19 min Calm G 1.9 48°F 1003.5 hPa47°F
PLXA2 - 9451054 - Port Alexander, AK 67 mi51 min Calm G 0 49°F 49°F1005.2 hPa (+1.7)
ELFA2 - 9452634 - Elfin Cove, AK 94 mi51 min 50°F 53°F1005.3 hPa (+1.8)

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sitka - Sitka Airport, AK3 mi58 minE 510.00 miMostly Cloudy49°F45°F86%1004.8 hPa

Link to 5 minute data for PASI

Wind History from ASI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmSW3SW3CalmCalmCalmNW6SE3CalmCalmCalmN3E5E3CalmCalmE5
1 day agoSE15
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E8E6E5E6SE7E9E73CalmNW3CalmNE4NE3CalmCalmN4NW6N4CalmN3NE3Calm
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W15------E6E12
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Tide / Current Tables for Sitka, Alaska
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Sitka
Click for Map
Sun -- 12:04 AM AKDT     9.92 feet High Tide
Sun -- 04:33 AM AKDT     Moonset
Sun -- 06:36 AM AKDT     -0.82 feet Low Tide
Sun -- 06:41 AM AKDT     Sunrise
Sun -- 01:00 PM AKDT     9.59 feet High Tide
Sun -- 06:52 PM AKDT     1.50 feet Low Tide
Sun -- 07:07 PM AKDT     Sunset
Sun -- 07:26 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.99.47.85.52.90.7-0.6-0.70.42.44.97.399.697.55.43.31.91.52.23.96.18.2

Tide / Current Tables for Dog Point, Lisianski Peninsula, Sitka Sound, Alaska
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Dog Point
Click for Map
Sun -- 12:00 AM AKDT     10.02 feet High Tide
Sun -- 04:33 AM AKDT     Moonset
Sun -- 06:36 AM AKDT     -0.82 feet Low Tide
Sun -- 06:41 AM AKDT     Sunrise
Sun -- 12:56 PM AKDT     9.69 feet High Tide
Sun -- 06:52 PM AKDT     1.50 feet Low Tide
Sun -- 07:07 PM AKDT     Sunset
Sun -- 07:26 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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109.57.85.52.90.7-0.6-0.70.42.55.17.59.19.797.45.43.31.91.52.246.28.4

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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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