Ashland, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Ashland, WI

November 28, 2023 2:27 PM CST (20:27 UTC)
Sunrise 7:26AM   Sunset 4:25PM   Moonrise  4:59PM   Moonset 9:08AM 

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Marine Forecasts
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LSZ121 / 632 Pm Cdt Thu Oct 5 2023
.the special marine warning is cancelled...
the affected areas were... Chequamegon bay-bayfield to oak point wi... Sand island to bayfield wi...
the showers have moved out of the warned area and no longer pose a significant threat to boaters.
lat...lon 4673 9060 4674 9068 4687 9063 4695 9044 4713 9035 4714 9013 4672 9040 time...mot...loc 2331z 263deg 31kt 4709 9022 4693 9031 4678 9056

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7 Day Forecast for Marine Location Near Ashland, WI
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Area Discussion for - Duluth, MN
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Area Forecast Discussion National Weather Service Duluth MN 1146 AM CST Tue Nov 28 2023

(Today through Monday)
Issued at 431 AM CST Tue Nov 28 2023

Key Messages...

1) Lake effect snow affecting northern Iron County early this morning to come to an end within the next few hours. We have a a Winter Weather Advisory in effect until 6 AM.

2) A wave of snow will move across the area this afternoon and tonight bringing light snowfall amounts to mainly the Arrowhead and Borderlands, with amounts of less than 2 inches.

3) Much below normal temperatures this morning to moderate through the middle part of the week, with near to above normal temperatures for the latter half of the week and next weekend.

Our weather radar is currently mostly overshooting the lake effect snow showers that are streaming over northern Iron county, but satellite shows streamers of clouds that are bringing light snow to Ironwood and also periodically to La Pointe. These clouds have been weakening over the Bayfield Peninsula so far this morning as generally drier air moves into the area from the west.
The wind direction has been slowly shifting from northwest to the west, which should help push the lake effect streamers east of the area, and reducing the snowfall rates over northern Iron county.
For now, these trends support the expiration time of 6 am of the Winter Weather Advisory, but it may need a short term extension depending on these trends. Temperatures early this morning have gotten well below normal, with a large portion of the area in the single digits, with parts of northeast MN even below zero. The coldest temperatures are under a ridge axis where skies have also cleared over the western portions of the forecast area.

A new clipper will move across the forecast area this afternoon and evening, which should produce an area of light snow that will affect mainly the Arrowhead of MN, bringing light snowfall amounts of an inch or less to much of the Arrowhead. One exception is the very tip of the Arrowhead, where around 2 inches are possible today and tonight. The strong warm air advection aloft that is part of this shortwave will also allow temperatures to warm significantly today, with high temperatures rising into the 20s for most of the area. Even as this shortwave moves back out of the area tonight snow showers will linger overnight tonight and even into Wednesday morning. Temperatures warm to above normal on Wednesday, then cool back off again for the latter half of the work week as more cold air moves back into the area again for Thursday and Friday. Thursday and Friday currently appear to have a dry forecast, but I would not rule out some flurries/light snow showers as we remain in a cyclonic flow pattern that together with a weak ripple could produce them.

Late this weekend and early next week a fairly strong upper level trough axis will move across the region. For now the best chances appear to be on Sunday, with some chance pops on Saturday night and Sunday before it moves off to the east on Monday. There is rather poor agreement in the operational models starting Sunday night, but the ensembles show that an upper level low moves across the central CONUS Sunday through Tuesday, supporting the precipitation chances. Temperatures remain near to above normal through this time range.

(For the 18Z TAFS through 18Z Wednesday afternoon)
Issued at 1134 AM CST Tue Nov 28 2023

Largely VFR conditions are expected for the rest of today. Some sites expecting light snowfall from a passing clipper this afternoon and evening could see brief reductions in visibility and/or ceiling to MVFR. Low level wind shear is expected this afternoon and into the evening for most sites due to winds aloft reaching as high as 40 kts. Ceilings will lower briefly overnight as cold air behind today's clipper is advected over northeastern Minnesota and portions of northwest Wisconsin.

Issued at 431 AM CST Tue Nov 28 2023

A ridge of high pressure settling over western Lake Superior has allowed winds to diminish this morning, and have expired or cancelled the Small Craft Advisories that were in effect overnight. There may be some locally stronger wind gusts for a few more hours early this morning, but these too should diminish. Once the ridge axis slides east of the area by mid morning, allowing winds to turn to the west and then southwest by mid morning with speeds rapidly increasing again. Have issued an suite of Small Craft Advisories for all of the zones starting at 10 AM, then upgrading the Outer Apostle Islands zones to a Gale Warning at 6 PM until midnight tonight. A few other locations may also experience a few Gale force gusts, but should be limited in area or time and have refrained from upgrading any other zones. Winds gradually turn to the west tonight, and waves remain built up through Wednesday before diminishing again Wednesday night.

DLH 25 19 35 21 / 10 20 0 0 INL 28 21 34 21 / 50 20 0 10 BRD 29 20 38 21 / 0 0 0 0 HYR 26 16 36 18 / 10 10 0 0 ASX 28 20 38 23 / 20 20 0 0

LS...Small Craft Advisory until 10 PM CST Wednesday for LSZ121- 144>148.

Small Craft Advisory until 4 AM CST Wednesday for LSZ140>143.

Small Craft Advisory until 6 PM CST this evening for LSZ150.

Gale Warning from 6 PM this evening to midnight CST tonight for LSZ150.

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
SXHW3 - Saxon Harbor, WI 25 mi48 min SSW 11G17 21°F 30.01
PNGW3 - Port Wing, WI 30 mi48 min S 9.9G15 21°F 29.99
DISW3 - Devils Island, WI 36 mi88 min SW 14G19 19°F 30.059°F

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Wind History for Duluth, MN
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KASX JOHN F KENNEDY MEMORIAL,WI 2 sm35 minSSW 14G1810 smOvercast23°F5°F45%30.00

Wind History from ASX
(wind in knots)

Tide / Current for
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Weather Map
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GEOS Local Image of Upper Mississippi Valley   

Duluth, MN,

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