Port Hope, MI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Port Hope, MI

September 23, 2023 11:31 AM EDT (15:31 UTC)
Sunrise 7:10AM   Sunset 7:21PM   Moonrise  3:29PM   Moonset 11:40PM 

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Marine Forecasts
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LHZ363 Expires:202309232200;;862334 Fzus63 Kdtx 231337 Glflh
open lake forecast for lake huron national weather service detroit/pontiac mi 937 am edt Sat sep 23 2023
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum.
Synopsis..High pressure, 30.10 inches, will bring light winds today as wind direction backs from the southeast to east- northeast. High pressure again holds tomorrow, however, a modest increase in the pressure gradient will bring slightly stronger wind gusts, particularly across the saginaw bay with the northeast fetch. This will result in some elevated wave action during the afternoon and evening hours.
lhz362-363-232200- lake huron from presque isle light to sturgeon point mi beyond 5nm off shore- lake huron from sturgeon point to alabaster mi beyond 5nm off shore- 937 am edt Sat sep 23 2023
Rest of today..East winds 5 to 10 knots. Waves 2 feet or less.
Tonight..Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
Sunday..East winds 5 to 10 knots becoming northeast 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon.
Sunday night..East winds 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
Monday..East winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet.
Tuesday..East winds 15 to 20 knots decreasing to 10 to 15 knots until early evening...then increasing to 15 to 20 knots in the late evening and early morning. Waves 3 to 5 feet.
Wednesday..East winds 10 to 15 knots. Waves 2 to 4 feet.

No data

7 Day Forecast for Marine Location Near Port Hope, MI
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Area Discussion for - Detroit/Pontiac, MI
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Area Forecast Discussion National Weather Service Detroit/Pontiac MI 639 AM EDT Sat Sep 23 2023


Surface observations have reported nothing more than minor shallow ground fog at a few locations this morning. Will continue to mention br/hz the first hour, otherwise any fog will rapidly dissipate. An upper level blocking pattern will support surface ridging over Southeast Michigan through tonight. A concerted push of drier and cooler air between 3.0 and 12.0 kft agl is expected to result in more clear skies for today. SKC with light easterly winds are expected tonight.


* None.

Issued at 359 AM EDT Sat Sep 23 2023


Tropical Storm Ophelia moves inland up the east coast today after making landfall on the coast of North Carolina while a mid/upper level closed low moves over the northern plains. A northern stream trough will also be moving across eastern Canada. Southeast Michigan will be pinned between these features through this weekend which will result in ridging over the CWA that keeps weather conditions relatively quiet.

There are some high clouds spilling into Michigan from Wisconsin early this morning downstream of a weak shortwave feature and associated showers. These could hamper some patchy fog development across southeast Michigan if they hold together, though the lower dewpoints leading to larger dew point depressions across have been a greater limiting factor for any fog development thus far. A surface ridge drifts across the south end of the Hudson Bay today maintaining a relatively dry easterly flow over southeast Michigan. Today is expected to remain dry, though am hesitant to have a 0 POP forecast given the development of showers and even some thunder yesterday that were generated in a weakly capped/weakly forced/easterly flow environment. Today however, will see stronger ridging and a stronger cap that leads to keeping any mention of precipitation out of the forecast. The ridging will lock in the airmass for this weekend resulting in daytime highs today and tomorrow in the low to mid 70s range.

A weak backdoor cold front will be drawn south into the central Great Lakes Sunday afternoon/evening by the aforementioned surface high over Hudson Bay/northern Ontario. The lack of moisture and forcing tied to the front will should keep another dry day in the forecast for Sunday. Temperatures for a few locations for Monday will come down slightly into the upper 60s with the persistent cooler east to northeast flow. The next chance for precipitation comes Monday/Tuesday as models point toward a shortwave being drawn into MI from the south into the weakening Midwest low as it drifts southeast. Confidence in timing this interaction is low at this time, so will maintain some low end chances for Monday/Tuesday given the uncertainty. Temperatures mainly in the 60s for midweek with greater cloud coverage will result from the troughing over the region.


The western periphery of a high pressure system will continue to provide dry weather along with lighter winds through the day. Wind direction from the southeast will back to the east-northeast through the afternoon and evening. There will then be a modest increase in the pressure gradient over the Great Lakes tomorrow in response to Tropical Storm Ophelia riding up the Atlantic coast. This will reinforce northeast flow over the Great Lakes while bringing some elevated wind gusts during the afternoon and evening. Small Craft Advisories will be in consideration mainly for the Saginaw Bay as wave heights near four feet.

Lake Huron...None.
Lake St Clair...None.
Michigan waters of Lake Erie...None.

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
45008 - S HURON 43NM East of Oscoda, MI 16 mi32 min ESE 7.8G9.7 64°F 65°F30.2560°F
KP58 41 mi37 min ESE 9.9 67°F 30.2261°F
HRBM4 - 9075014 - Harbor Beach, MI 48 mi44 min SE 7G8 65°F 65°F30.1960°F

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Wind History for Harbor Beach, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KP0 sm36 minESE 10--66°F61°F83%30.24

Wind History from P58
(wind in knots)

Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   

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