Friday, September17, 2021
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Marine Weather and Tides
New Glarus, WI

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 6:38AMSunset 7:05PM Friday September 17, 2021 5:14 PM CDT (22:14 UTC) Moonrise 5:58PMMoonset 2:34AM Illumination 86% Phase: Waxing Gibbous; Moon at 11 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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LMZ645 North Point Light To Wind Point Wi- 107 Pm Cdt Fri Sep 17 2021
Rest of today..Southwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 10 to 15 knots late in the afternoon. Scattered showers and isolated Thunderstorms late in the afternoon. Waves 1 to 2 feet.
Tonight..Northwest wind 10 to 15 knots becoming north 15 to 20 knots in the late evening and early morning, then veering northeast early in the morning. Isolated showers and Thunderstorms through around midnight. Waves 1 to 2 feet building to 3 to 4 feet after midnight.
Saturday..Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northeast 10 to 15 knots in the late morning and early afternoon, then easing to 5 to 10 knots late in the afternoon. Sunny. Waves 3 to 4 feet.
Saturday night..Northeast wind 5 to 10 knots veering east late in the evening, then veering southeast after midnight becoming south 10 to 15 knots early in the morning. Clear. Waves 1 to 2 feet.
LMZ645 Expires:202109172200;;774670 FZUS53 KMKX 171807 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 107 PM CDT Fri Sep 17 2021 For waters within five nautical miles of shore on Lake Michigan LMZ645-172200-


7 Day Forecast for Marine Location Near New Glarus, WI
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location: 42.81, -89.63     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 171936 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 236 PM CDT Fri Sep 17 2021

SHORT TERM. (Issued 229 PM CDT Fri Sep 17 2021)

Tonight through Saturday night:

The cold front continue to work its way across the area this afternoon, but shower development remains limited given the drier low-levels and weaker forcing. Winds will continue to shift to the northwest this evening with some lingering mid to high clouds. Otherwise, zonal mid-level flow develops as surface high pressure builds into WI from the Upper Mississippi River Valley overnight. Looking at lighter winds and mostly clear skies tonight, which along with the drier airmass will help temps fall into the low 50s and mid 40s overnight.

Expecting it to be cooler on Saturday as high pressure pushes east across the Western Great Lakes. Looking at temps to be in the 70s across southern WI with a few spots around 80 degrees. The mid-level ridge is progged to build across the Upper Midwest through the day Saturday as winds gradually become more southerly. Saturday night is looking a tad bit warmer with overnight lows in low to mid 50s.

Wagner

LONG TERM. (Issued 229 PM CDT Fri Sep 17 2021)

Sunday through Friday:

With the ridge working its way across the region Sunday and increased southerly flow, summer like temps are expected to make another appearance to southern WI for Sunday. Looking at highs topping off in the mid 80s.

Meanwhile, we are keeping an eye on the system moving into the Pacific Northwest Sunday and across the Central Plains on Monday. There is still a great deal of uncertainty with how this upper-level trough will evolve given the inconsistency between the long range model runs. Previous runs had a slower cutoff low, but the latest runs have more of an open and progressive wave. Nevertheless, there is a general consensus based on the WPC cluster analysis in seeing this trough deepen as it pushes into the Upper Midwest early next week and will provide our next chance for showers and thunderstorms for southern and central WI.

The associated surface low associated with the upper-level trough is progged to work its way across central Canada into the Hudson Bay region, which in turn will likely drag a cold front across WI sometime late Monday into Tuesday. Given the increased southerly flow ahead of this system, WAA and sufficient moisture with EPS members progging a medium-high chance of PWATs greater than 1.5 inches, will be enough to for shower activity to pick up as early as Monday afternoon. However, better chances will be overnight into Tuesday with the arrival of more favorable dynamics and forcing along and ahead of a cold front. Still too early to pinpoint rainfall amounts as models continue to hone in on the forecast, but there will be the potential for thunderstorms with this early week activity as well given some hints of instability from GEFS and EPS members. Will keep an eye on how things evolve over the coming days as if the system trends weaker or speeds up could ultimately limit our precip chances, but the potential for showers and some thunderstorms remains there.

Most of this shower activity should clear out sometime on Tuesday with the frontal passage, but we are expecting stronger northerly winds to develop in the wake of the cold front. Otherwise, it looks to be cooler with more fall-like temps post cold front as upper- level ridging and high pressure build into the area through midweek. Daytime temps may only top off in the 60s with overnight temps in the 50s and even some nights in the 40s. There are hints of another potential for showers and storms later next week, but too far to say anything for certain at this time.

Wagner

AVIATION. (Issued 229 PM CDT Fri Sep 17 2021)

The cold front continues to works its way across southern WI this afternoon with limited shower activity. Winds across all of southern WI will be out of the north-northwest by early evening. Some scattered to broken mid to high clouds will linger a bit into the early evening as well, but skies are progged to clear out overnight as high pressure builds across the region. This high pressure will keep winds on the lighter side through Saturday and VFR conditions will prevail through the period.

Wagner

MARINE. (Issued 229 PM CDT Fri Sep 17 2021)

Breezy southerly winds will give way to more northwesterly winds behind this afternoon's cold front. There will still be a decent thermal gradient between the cooler land and warmer water maintaining breezy northwest to northerly winds overnight, but winds should general remain below 20 knots. Winds should lighten up a bit into Saturday as high pressure tracks across WI and Lake Michigan through Saturday. Sunday breezy southerly winds return as the high pushes east. Shower and thunderstorm chances return early next week as an upper-level system and cold front pushes into the area. This will likely result in stronger northerly winds to develop in the wake of the cold front likely resulting in small craft conditions.

Wagner

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . None.

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Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 94 mi35 min W 7 G 8.9 85°F
KNSW3 - Kenosha, WI 98 mi75 min WSW 8.9 G 12 87°F 1015.6 hPa (-1.3)

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monroe Municipal Airport, WI14 mi20 minNNW 610.00 miFair82°F58°F45%1018.3 hPa
Middleton Muni - Morey Field, WI22 mi20 minNNW 1110.00 miFair79°F60°F53%1019 hPa

Link to 5 minute data for KEFT

Wind History from EFT (wind in knots)
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Last 24hrS11S10S8S9S12S10S6S10S12S11SW10SW10SW10SW9SW9SW11SW13SW10SW13
G18
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1 day agoN4CalmNE4E5E6E8SE7S6S7S7S6S6S8S6SE5S6S9S12
G20
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2 days agoNW8N4NW6NW6NW8NW9NW11NW8NW8NW8NW9NW7W8NW9NW8NW7CalmNE5N7N4CalmN5N6NE6

Tide / Current Tables for
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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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