Marinette, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Marinette, WI

April 21, 2024 2:31 AM CDT (07:31 UTC) Change Location
Sunrise 5:55 AM   Sunset 7:46 PM
Moonrise 5:39 PM   Moonset 5:03 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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LMZ521 Green Bay South Of Line From Cedar River To Rock Island Passage And North Of A Line From Oconto Wi To Little Sturgeon Bay Wi- Green Bay South Of Line From Oconto Wi To Little Sturgeon Bay Wi- 112 Am Cdt Sun Apr 21 2024

Overnight - W wind 10 to 15 kts. Clear. Waves 2 ft or less.

Today - W wind 10 to 20 kts. Sunny in the morning then becoming partly Sunny. Waves 2 ft or less.

Tonight - E wind 5 to 10 kts veering S after midnight. Clear. Waves 2 ft or less.

Monday - SW wind 10 to 20 kts with gusts to around 25 kts. Mostly Sunny in the morning then becoming mostly cloudy. Waves 1 to 3 ft. A small craft advisory may be needed.

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7 Day Forecast for Marine Location Near Marinette, WI
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Area Discussion for - Green Bay, WI
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Area Forecast Discussion National Weather Service Green Bay WI 1014 PM CDT Sat Apr 20 2024

Updated aviation portion for 06Z TAF issuance


- Elevated fire weather conditions are likely Sunday and Monday during the afternoon and early evening hours due to relative humidities ranging from 20 to 30 percent and winds of 15 to 25 mph.

- The next chance for precipitation is Monday evening through Tuesday. A few thunderstorms are possible Tuesday, but severe weather is not expected.

Issued at 249 PM CDT Sat Apr 20 2024

Short Term...Tonight and Sunday

Low level moisture remains locked in the region for the early afternoon hours, keeping low clouds in for at least the middle to late afternoon before incoming surface ridging begins to scour out the lingering cloud cover. As a result, lowered the afternoon high temperatures a few degrees.

Tonight, surface ridging should fairly quickly bring an end to lingering low clouds from northwest to southeast, with clear skies across most of the region by the overnight hours. The only exception to this could be areas near the Upper Peninsula border, as satellite and water vapor trends do bring in some additional high clouds for tonight. Winds should decrease a bit from the afternoon but could remain breezy overnight, with a few gusts to around 10 to 15 mph at times. Overnight low temperatures remain in the upper 20s near the Upper Peninsula border to the lower 30s near east-central.

Sunday, skies will be largely sunny through the day, which should allow for some warmer surface temperatures into the 50s and possibly lower 60s. Deep mixing through ~800-700mb will also mean another fairly breezy day in the afternoon and evening, and the potential for fairly low relative humidity values around 20 to 30 percent in the afternoon, which will create a period of elevated fire weather conditions.

Long Term...Sunday Night Through Saturday

The upper air pattern for next week is pretty typical for this time of the year, with a few significant weather systems coming by and temperatures not too far from seasonable averages.

A surface high over the Midwest will allow for clear skies Sunday night, with temperatures falling below freezing thanks to dry air and light winds. Winds will become southwesterly Monday as the surface high moves east and a cold front approaches from the Plains. Forecast soundings from the RAP and Canadian models look best as far as mixing heights and surface dewpoints. That will make for elevated fire weather conditions Monday afternoon and early evening. Showers along the front will probably not arrive until the evening hours.

A sharp upper trough will move across the area Tuesday. Cold temperatures aloft will make for showers and thunderstorms. It could be cold enough aloft for some graupel or snow showers in the far north. A surface high and upper ridge will follow and bring dry and cooler weather for Wednesday and Thursday. Milder weather is expected Thursday as southerly flow returns ahead of the next systems, which will bring showers and thunderstorms for Friday.

for 06Z TAF Issuance Issued at 1007 PM CDT Sat Apr 20 2024

Stratocumulus clouds should be east of the region by issuance time, with only patchy mid/high clouds expected overnight. SCT- BKN high-based cumulus clouds are expected to form during the late morning and afternoon on Sunday, then dissipate in the evening. Light west winds are anticipated overnight, with gusty WNW winds picking up in the late morning and afternoon Sunday, before diminishing again around sunset.

Issued at 249 PM CDT Sat Apr 20 2024

Moderating temperatures and a dry airmass will lead to elevated fire weather conditions on Sunday and Monday. Relative humidity will be low (20-30 percent in the sandy soil regions) both days, but winds look to be a little stronger on Monday.

Another period of elevated fire weather conditions is possible next Wednesday and Thursday, as a dry airmass moves into the region. Ensembles indicate PWATs are forecast to be 20-40% of normal. Winds will likely be below critical levels due to the proximity of the prevailing high pressure system.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MN4 - 9087088 - Menominee, MI 1 mi44 min SW 8.9G11 34°F 50°F30.0225°F
CBRW3 - Chambers Island, WI 14 mi52 min S 7G15 36°F
NPDW3 - Northport Pier at Death's Door WI 35 mi92 min SSW 4.1G8.9 30.08
KWNW3 - 9087069- Kewaunee, WI 43 mi44 min W 7G8.9 35°F 30.05
GBWW3 44 mi44 min WSW 4.1G7 35°F 30.06

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMNM MENOMINEE RGNL,MI 4 sm34 minW 0410 smClear32°F23°F69%30.07
KSUE DOOR COUNTY CHERRYLAND,WI 19 sm35 minW 0610 smClear34°F27°F75%30.08
KOCQ OCONTOJ DOUGLAS BAKE MUNI,WI 23 sm16 minWSW 0510 smClear30°F23°F74%30.07
Link to 5 minute data for KMNM

Wind History from MNM
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   

Green Bay, WI,

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