St. James, MI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for St. James, MI

May 27, 2024 9:18 AM EDT (13:18 UTC) Change Location
Sunrise 5:49 AM   Sunset 9:20 PM
Moonrise 12:01 AM   Moonset 8:14 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.

Marine Forecasts
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LMZ362 Expires:202405271530;;952461 Fzus63 Kmkx 270812 Glflm
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 312 am cdt Mon may 27 2024
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.

Synopsis -
low pressure of 29.4 inches will slowly move across northern lower michigan and lake huron today. As the low moves into lower michigan breezy northwest winds will be expected for the remainder of the day. West to northwest flow will persist into mid week, with winds gradually weakening over time as high pressure around 30.2 inches eventually builds into the region. The high will hold strong into the early weekend with light to modest north winds from Wednesday through at least Friday.
lmz261-362-364-366-563-565-567-868-271530- lake michigan from seul choix point to rock island passage 5 nm offshore to mid lake- lake michigan south of a line from seul choix point to the mackinac bridge and north of a line from charlevoix mi to south fox island 5 nm offshore- lake michigan from charlevoix to point betsie mi 5 nm offshore to mid lake- lake michigan from point betsie to manistee mi 5 nm offshore to mid lake- lake michigan from rock island passage to sturgeon bay wi- lake michigan from sturgeon bay to two rivers wi 5 nm offshore to mid lake- lake michigan from two rivers to sheboygan wi 5 nm offshore to mid lake- lake michigan from pentwater to manistee mi 5 nm offshore to mid lake- 312 am cdt Mon may 27 2024
sheboygan wi to pentwater mi north - .

Today - North winds 15 to 25 kt becoming northwest to 30 kt. Patchy fog. Scattered showers and slight chance of Thunderstorms this morning, then scattered showers this afternoon. Waves 4 to 6 ft occasionally to 8 ft.

Tonight - Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers. Waves 3 to 5 ft subsiding to 2 to 4 ft.

Tuesday - Northwest winds 10 to 20 kt. Chance of showers in the afternoon. Waves 1 to 3 ft.

Tuesday night - North winds 10 to 20 kt. Chance of showers in the evening. Waves 2 to 4 ft.

Wednesday - North winds 10 to 20 kt increasing to 15 to 25 kt. Waves 3 to 5 ft.

Wednesday night - North winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.

Thursday - North winds 5 to 10 kt becoming northwest 10 to 15 kt. Waves 1 to 2 ft.

Friday - South winds 10 to 15 kt becoming southwest. Waves 1 to 2 ft.

LMZ300
No data


7 Day Forecast for Marine Location Near St. James, MI
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Area Discussion for - Gaylord, MI
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FXUS63 KAPX 270924 AFDAPX

Area Forecast Discussion National Weather Service Gaylord MI 524 AM EDT Mon May 27 2024

KEY MESSAGES

- Cool, brisk and wet Memorial Day.

- Quick moving disturbance brings chances for showers and storms again Tuesday.

- Potential for frost Wednesday and Thursday nights?

SHORT TERM /THROUGH TONIGHT/
Issued at 249 AM EDT Mon May 27 2024

Pattern Synopsis/Forecast: Several shortwave troughs embedded in larger scale troughing across the nation's midsection early this morning. These waves will pinwheel across the western Great Lakes today through tonight. At the surface, low pressure over central Lake Michigan will trek northeast across the forecast area through the day today, centered over southern Ontario by this evening.
However, broad low-level cyclonic flow with wrap around moisture on the backside of departing low pressure will dominate the night ahead.

Forecast Details: Most numerous shower activity ongoing early this morning is across northern Lake Michigan, parts of northwest lower and the eastern U.P. with more isolated activity dotting the map across north-central and northeast lower. Much more widespread activity upstream over the central U.P. and northeast WI, which current trends support rotating into the forecast area through the morning/midday hours -- favoring north of M-55 for the most widespread shower activity today.
Suppose some embedded thunder still can't be ruled out through the morning hours with up to ~500 J/kg elevated instability.
Some locally impressive rain totals possible today as well, especially between the M-32 and M-72 corridors in northwest lower where time-lagged ensemble probabilities exceed a 70% chance for greater than 1 inch of QPF, with some localized 30-50% probabilities for 2+ inches. These higher end totals certainly have a better shot of materializing if we can muster embedded thunderstorms and heavier rain rates.

Rain chances continue into tonight as wrap around moisture pinwheels northeast to southwest across northern Michigan. Some uncertainty in how fast this precip exits for the second half of the night with latest trends supporting slow drying from north to south after 06z.

Otherwise, breezy west-northwest winds in place by this afternoon with gusts as high as 25-30 mph. Some gustiness continues through tonight. Highs today in the low 60s for many and into the mid-60s near Saginaw Bay...only made to feel cooler with apparent temps in the 50s thanks to gustiness and damp conditions. Lows tonight generally ranging from the mid-40s to mid-50s.

LONG TERM /TUESDAY THROUGH SUNDAY/
Issued at 249 AM EDT Mon May 27 2024

Pattern Synopsis / Forecast:

Longwave troughing set to dominate through midweek, sending a series of waves into the Great Lakes region. First wave will commence on Tuesday as low pressure dives south and east from Manitoba, bringing a chance of showers to the region highs largely in the 60s. Primary trough axis swings through Wednesday, scouring out stubborn moisture as surface high pressure moves overhead on its heels. This will open the door for calming winds and clearing skies, and thus potential for frost Wednesday night, and possibly again Thursday despite temperatures moderating into the 60s and 70s. High pressure dominates the remainder of the week as a robust ridge builds into the Great Lakes ahead of a trough digging into the northern Plains.
Result will be a quick return of mid-summer like warmth Friday and Saturday, with highs peaking in the 70s and 80s. Next trough set to (somewhat) intrude some time into the weekend as the ridge axis clears the region, setting up a more zonal flow that would be more conducive for waves (perhaps convectively charged?) to move into the region as we progress through the upcoming weekend.

Primary Forecast Concerns:

Tuesday Precip: Rain Tuesday morning will be on the downswing as an initial wave moves to the east. On its heels, the second wave will make its approach through the day Tuesday. As stated by the previous forecaster, the gap between these two disturbances could lead to some clearing developing, which should provide a modest boost of surface temps into the 60s for most. With relatively steep lapse rates, could see CAPE blossom in the order of 500-1,000 J/kg, particularly across NE lower. Result will be potential for thunder after noon, primarily east of a Cheboygan to Cadillac line, where surface temps may approach or even exceed 70, helping to drive greater surface instability. Severe potential continues to remain marginal at best, though any storm could be locally gusty with some hail, particularly across NE lower.

Frost Potential: Still watching frost potential across interior locales Wednesday night and maybe again Thursday night. Drier air moving into the region will lead to more diurnal cooling responses with clearing skies and calming winds. Will have to see how much rain falls to influence low level moisture... but if rain can be on the lighter side, drier soil conditions will allow for more efficient mixing to transpire, scouring out low level moisture (dewpoints may drop well into the 20s Wednesday afternoon and perhaps Thursday too?). Could be conducive for frost as temps drop well into the 30s across the interior regions Wednesday night. Could see it happening again Thursday night (albeit probably more localized) as high pressure moves directly overhead, and drier air scours out more low level moisture.

AVIATION /12Z TAFS THROUGH 12Z TUESDAY/
Issued at 523 AM EDT Mon May 27 2024

Low pressure currently making headway into western lower Michigan, which will continue northeast across the state today...centered over southeast Ontario by this evening. Periods of showers and some embedded thunderstorms likely at times through the TAF period...most widespread later this morning through this evening. Any lingering VFR CIGs early this morning expected to fall to MVFR area-wide through the TAF period. Medium probabilities (50-60%) for periods of IFR CIGs today/tonight with lower chances (15-25%) for LIFR.

Winds this morning in the process of turning out of the west- northwest, becoming breezy at times this afternoon through tonight.

APX WATCHES/WARNINGS/ADVISORIES
MI...None.
MARINE...Small Craft Advisory until 2 AM EDT Tuesday for LHZ345.
Small Craft Advisory from 6 PM this evening to 8 AM EDT Tuesday for LHZ347>349.
Small Craft Advisory until 2 AM EDT Tuesday for LMZ341-342.
Small Craft Advisory from 11 AM this morning to 2 AM EDT Tuesday for LMZ323-344>346.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
GTLM4 - Grand Traverse Light, MI 26 mi38 min E 4.1G7 55°F 29.51
PNLM4 - 9087096 - Port Inland, MI 32 mi48 min NNE 9.9G23 55°F 55°F29.52
NABM4 - Naubinway, MI 35 mi38 min N 5.1G9.9 56°F 29.54
45175 44 mi18 min E 1.9 56°F 0 ft
MACM4 - 9075080 - Mackinaw City, MI 45 mi48 min ESE 1.9G2.9 52°F 51°F29.4752°F
45002 - N MICHIGAN- Halfway between North Manitou and Washington Islands. 49 mi38 min NNE 14G16 50°F 46°F29.5350°F


Wind History for Port Inland, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSJX BEAVER ISLAND,MI 8 sm23 minNE 065 smOvercast Rain 55°F55°F100%29.53
KCVX CHARLEVOIX MUNI,MI 24 sm23 minE 054 smOvercast Rain 57°F55°F94%29.50
Link to 5 minute data for KSJX


Wind History from SJX
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Gaylord, MI,




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