Monday, September21, 2020
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Marine Weather and Tides
Juneau, AK

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:40AMSunset 7:00PM Monday September 21, 2020 12:46 AM AKDT (08:46 UTC) Moonrise 1:01PMMoonset 8:47PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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- 230 Pm Akdt Sun Sep 20 2020
Tonight..S wind 15 kt. Seas 3 ft. Showers in the evening.
Mon..S wind 15 kt. Seas 3 ft.
Mon night..SE wind 15 kt. Gusts to 35 kt late. Seas 4 ft.
Tue..S wind 25 kt. Gusts to 40 kt. Seas 5 ft.
Tue night..S wind 25 kt. Seas 5 ft.
Wed..S wind 20 kt. Seas 4 ft.
Thu..S wind 10 kt. Seas 2 ft or less.
Fri..S wind 10 kt. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Juneau, AK
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location: 58.07, -134.64     debug


Area Discussion for -
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FXAK67 PAJK 202309 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 309 PM AKDT Sun Sep 20 2020

SHORT TERM. A low pressure over the eastern gulf has multiple small circulations and convective clouds seen on satellite this afternoon. The associated frontal band along the outer coast is producing 25-30kt winds and numerous showers with some embedded stronger cells. A marine weather statement was issued for the late afternoon to highlight the enhanced showers and potential for waterspouts over the outside waters, see marine section below. As the frontal band progresses inland, orographic lift may help to enhance the showers further and produce lightning. Isolated thunderstorms with gusty winds are in the forecast for the early evening for Sitka to Metlakatla, including all of Prince of Wales. Some small ice pellet are also possible but have not been observed. The most widespread/heaviest showers will occur over the southern panhandle tonight, and further north the showers will be more scattered.

Scattered to numerous showers linger across the region on Monday as upper level flow will remain SWLY behind the remnant frontal trough. Another low center, currently storm force over the Bering Sea, will track into the gulf on Monday. Gale force winds along the large front will move into the offshore area during Monday, increasing to 45kt as it tracks eastward overnight. Latest models have the low taking a slightly more southerly track, shifting the greatest rainfall threat to the southern panhandle. Wind gusts along the southern outer coast will increase during the day Tuesday with the front and gusts to 40mph likely into Tuesday evening. The shape of the front and position of the low will cause winds through the inside waters to turn primarily out of the north and strongest winds out of the east.

LONG TERM. /Tuesday through Sunday night/ . As of Saturday evening, the forecast continues to hold steady. The autumn system discussed in recent days will finally be arriving. In the upper levels, a broad area of troughing will dominate the Gulf, with vorticity evident in the mid-levels. Closer to the surface, a large corresponding low will move into the Gulf, sending a strong autumn front and embedded shortwaves moving towards the panhandle. Though some discrepancies do remain, operational model runs have started coming into better agreement on the timing of the front. Gale Force winds associated with the system will spread through the Gulf, likely moving into the outer coastal waters through Tuesday. Have continued the trend of increasing winds over the coastal areas and much of the southern panhandle. Depending on how the front evolves, these winds may still need to be increased more as models come into better agreement. Winds over many of the inner channels still anticipated to reach 25 kt or even a bit higher with this system though winds should start to relax through Wednesday and Thursday. Along with the winds will come rain. Still looks like the southern and central panhandle will likely receive the bulk of the precipitation from this event.

Beyond this event, forecast confidence degrades as it becomes difficult to determine just how long the main low will remain in the Gulf. The general trend is to keep most of the panhandle under generally rainy conditions through the rest of the week. Some of the ensembles are hinting at the possibility of another system over the weekend, but still too far out to be very confident. Only minor changes made to temperatures. Forecaster confidence is average.

MARINE. Numerous showers over the outside waters have embedded stronger cells. Some of these could produce squall like conditions with heavy rain, erratic and gusty winds, lightning and ice pellets. As of 1240 PM, a cell approximately 60 nautical miles SW of Sitka and tracking NNW indicated rotation on the radar, making isolated waterspouts a possibility. Mariners should stay away from waterspouts if observed.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . Small Craft Advisory for PKZ042-043-051-052.



Ferrin/GFS

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SCXA2 9 mi33 min E 24 G 27 50°F 1005.4 hPa
AJXA2 20 mi34 min ESE 4.1 G 7 49°F 1007.9 hPa49°F
PTLA2 20 mi25 min ENE 8.9 G 14 51°F 1007.1 hPa47°F
JMLA2 20 mi25 min S 5.1 G 8 49°F 1006.1 hPa48°F
JNEA2 - 9452210 - Juneau, AK 20 mi53 min ESE 4.1 G 5.1
SDIA2 - South Douglas, AK 20 mi41 min NW 2.9 G 2.9 50°F 1008.5 hPa50°F
MVXA2 20 mi34 min SSE 5.1 G 11 49°F 1006.2 hPa45°F
MXXA2 20 mi33 min ENE 7 G 11 49°F 1006.3 hPa45°F
JLXA2 20 mi33 min E 1.9 G 5.1 49°F 1005.8 hPa48°F
NKXA2 21 mi33 min E 11 G 14 51°F 1006.4 hPa44°F
MRNA2 22 mi25 min E 1 G 4.1 50°F 1006.5 hPa47°F
RIXA2 23 mi33 min N 6 G 8.9 50°F 1005.7 hPa46°F
PAXA2 25 mi32 min SE 1.9 G 2.9 48°F 1006.4 hPa46°F
PBPA2 - Point Bishop, AK 28 mi37 min NNE 1.9 G 1.9 47°F 1008.8 hPa46°F
PRTA2 - Point Retreat, AK 29 mi37 min W 1 G 1.9 49°F 1008.7 hPa49°F
TKEA2 - Tenakee Springs, AK 37 mi25 min ENE 2.9 G 8 49°F 1006.8 hPa48°F
LIXA2 39 mi34 min Calm G 1.9 50°F 1006.5 hPa47°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Juneau, Juneau International Airport, AK22 mi54 minno data10.00 miOvercast49°F46°F90%1008.5 hPa

Link to 5 minute data for PAJN

Wind History from AJN (wind in knots)
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Last 24hrE5--E6E9E8E10E10E10E9E9E6E7SW5E6E7E8E8SE10E9E7E8E10E9--
1 day agoCalmCalmCalmCalmCalmE3E4E4E3E5E5E5E5CalmCalmSW4E5E5E7E5CalmE4E3NE5
2 days agoW4CalmCalmCalmCalmSE3CalmW5CalmW3CalmSW5SW3CalmE4NE5E4CalmCalmNE3E3E3--Calm

Tide / Current Tables for Fritz Cove, Douglas Island, Alaska
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Fritz Cove
Click for Map
Mon -- 04:28 AM AKDT     16.53 feet High Tide
Mon -- 06:42 AM AKDT     Sunrise
Mon -- 10:27 AM AKDT     0.45 feet Low Tide
Mon -- 01:02 PM AKDT     Moonrise
Mon -- 04:33 PM AKDT     18.22 feet High Tide
Mon -- 06:58 PM AKDT     Sunset
Mon -- 08:44 PM AKDT     Moonset
Mon -- 11:07 PM AKDT     -1.52 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.25.710.414.216.316.214.210.66.42.80.70.83.27.311.815.617.91816.112.47.73.2-0.1-1.5

Tide / Current Tables for Funter, Funter Bay, Lynn Canal, Alaska
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Funter
Click for Map
Mon -- 04:29 AM AKDT     15.73 feet High Tide
Mon -- 06:43 AM AKDT     Sunrise
Mon -- 10:23 AM AKDT     0.55 feet Low Tide
Mon -- 01:03 PM AKDT     Moonrise
Mon -- 04:34 PM AKDT     17.42 feet High Tide
Mon -- 06:59 PM AKDT     Sunset
Mon -- 08:46 PM AKDT     Moonset
Mon -- 11:03 PM AKDT     -1.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.35.59.913.515.515.513.510.16.12.60.713.37.111.41517.117.215.311.87.32.9-0.2-1.4

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Biorka Is., AK
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