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Marine Weather and Tides
Version 3.4 |
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 7:56AM | Sunset 5:45PM | Tuesday January 26, 2021 3:49 PM EST (20:49 UTC) | Moonrise 3:33PM | Moonset 6:34AM | Illumination 98% | ![]() |
LMZ845 South Haven To Holland Mi- 1105 Am Est Tue Jan 26 2021
.small craft advisory in effect until 10 pm est this evening...
Rest of today..North winds 20 to 25 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet late in the day.
Tonight..Northeast winds 10 to 20 knots. Mostly cloudy with a slight chance of snow. Waves 2 to 4 feet.
Wednesday..North winds 10 to 20 knots. Mostly cloudy with a slight chance of snow. Waves 1 to 3 feet building to 2 to 4 feet late in the day.
Wednesday night..North winds 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet.
Thursday..North winds 5 to 10 knots backing northwest 10 to 15 knots. Partly Sunny. Waves 2 to 3 feet.
Friday..East winds around 10 knots. Partly Sunny. Waves around 1 foot.
Saturday..Southeast winds 15 to 25 knots. Mostly cloudy with a chance of snow. Waves 1 to 2 feet.
.small craft advisory in effect until 10 pm est this evening...
Rest of today..North winds 20 to 25 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet late in the day.
Tonight..Northeast winds 10 to 20 knots. Mostly cloudy with a slight chance of snow. Waves 2 to 4 feet.
Wednesday..North winds 10 to 20 knots. Mostly cloudy with a slight chance of snow. Waves 1 to 3 feet building to 2 to 4 feet late in the day.
Wednesday night..North winds 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet.
Thursday..North winds 5 to 10 knots backing northwest 10 to 15 knots. Partly Sunny. Waves 2 to 3 feet.
Friday..East winds around 10 knots. Partly Sunny. Waves around 1 foot.
Saturday..Southeast winds 15 to 25 knots. Mostly cloudy with a chance of snow. Waves 1 to 2 feet.
LMZ845 Expires:202101262200;;525767
FZUS53 KGRR 261606
NSHGRR
Nearshore Marine Forecast
National Weather Service Grand Rapids MI
1105 AM EST Tue Jan 26 2021
For waters within five nautical miles of shore on Lake Michigan
LMZ845-262200-
7 Day Forecast for Marine Location Near Grand Ledge, MI
Hourly EDIT Help
location: 42.75, -84.75 debug
Area Discussion for - Grand Rapids, MI
  (on/off)  Help NOTE: mouseover dotted underlined text for definitionFXUS63 KGRR 262032 AFDGRR
Area Forecast Discussion National Weather Service Grand Rapids MI 332 PM EST Tue Jan 26 2021
LATEST UPDATE . Synopsis/Discussion/Marine
SYNOPSIS. Issued at 330 PM EST Tue Jan 26 2021
- Clearing skies tonight for most areas . turning colder
- Some lake effect snow late tonight and Wednesday
- Period of quiet weather latter half of work week
- Questions remain with weekend system
DISCUSSION. (This evening through next Tuesday) Issued at 330 PM EST Tue Jan 26 2021
-- Clearing skies tonight for most areas . turning colder --
Will be dropping the Winter Weather Advisory headline with this issuance as snow is tapering off and road conditions on the MIdrive page are mostly green.
Northerly winds behind the departing system will open holes in the overcast this evening. This occurs for two reasons, one it is a downsloping flow off the higher ground of Northern Lower Michigan and two it is just a greater distance from the water of the Great Lakes for lake cloud production. Skies will for the most part become mostly clear in many areas. We have gone colder than forecast temperature guidance at this point and could see readings going even colder than what we have in the forecast. We have gone lower teens in many areas and would not rule out some single digits given a fresh snow pack leading to decent radiational cooling conditions. The couple of negatives for ideal radiational cooling will be winds that try to hang on aloft a decent portion of the night. 20 knot winds stay in place all the way to near 100am. 10-15 knot winds are still in place the rest of the night. Also, it looks like at least some lake effect stratocumulus will try to remain in place across Central Lower Michigan tonight in northerly flow off of Northern Lake Michigan.
-- Some lake effect snow late tonight and Wednesday --
Some light lake effect snow will mainly affect Big and Little Sable Points late tonight and into Wednesday. Delta T's are fairly substantial in the middle to upper teens. Winds will be shifting slowly from north-northeast to more of a north flow. This is not an ideal setup with the flow wavering between slightly off shore and due north. Also, moisture is quite shallow. Expecting some snow shower activity though. Any accumulation will be on the light side (trace amounts to maybe an inch).
-- Period of quiet weather latter half of work week --
A period of quiet weather is expected from later Wednesday night through at least Saturday morning. High pressure will be in place the bulk of the time both at the surface and aloft. Temperatures will be slightly below normal during the later half of the week, but moderate more towards normal this weekend.
-- Questions remain with weekend system --
Ensembles from both the GFS and the ECWMF show a low moving through portions of the Ohio Valley this weekend. The GFS is further north and would give us more in the way of precipitation, while the ECMWF is a bit further to the south, which would keep a good deal of the precipitation off to the south of the state of Michigan. The GFS would clearly bring much of the area accumulating system snow, while the ECMWF would be a much drier system for us (possibly even missing us to the south). Confidence is on the low side at this point with this system given model disparity and overall, a weak looking open upper wave. It will be interesting to watch model trends over the next couple days to see what direction this system trends.
Beyond the potential weekend system, ridging builds back into the area for early next week.
AVIATION. (For the 18Z TAFS through 18Z Wednesday afternoon) Issued at 1242 PM EST Tue Jan 26 2021
The first few hours will be the most impactful to aviation interests, before conditions improve this evening and overnight.
The last batch of snow is moving in from the West as of 1745z this afternoon. This snow will drop conditions to LIFR with visibilities likely dropping to below 1sm. This is expected to impact all of the terminals. This will then start to clear out from West to East after 20z, reaching KLAN and KJXN toward 00z.
MVFR conditions will hold in for a bit, with conditions likely going VFR overnight at all sites. In fact, we believe all of the inland sites will partially clear, with KMKG keeping clouds being closer to lake effect.
It does look like some MVFR ceilings may redevelop toward the end of the period for all sites except KLAN and KJXN.
MARINE. Issued at 330 PM EST Tue Jan 26 2021
We have extended the Small Craft Advisory through 700am on Thursday as there will be multiple periods of higher waves through that time. Waves the bulk of the time through Thursday morning will be at or above SCA criteria. Northerly winds will dominate through that time. High pressure builds in after 700am on Thursday which will lead to quiet conditions on the big lake for Thursday and Friday.
GRR WATCHES/WARNINGS/ADVISORIES. MI . None.
LM . Small Craft Advisory until 7 AM EST Thursday for LMZ844>849.
SYNOPSIS . Duke DISCUSSION . Duke AVIATION . NJJ MARINE . Duke
Weather Reporting Stations
EDIT (on/off)  Help NOTE: Click on distance to see the station location on a mapStations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
HLNM4 - 9087031 - Holland, MI | 78 mi | 49 min | N 11 G 16 | 29°F | 32°F | 1011.6 hPa (+2.0) | 26°F | |
MKGM4 - Muskegon, MI | 90 mi | 29 min | NE 15 G 17 | 29°F | 1015.1 hPa | 22°F | ||
SBLM4 - Saginaw Bay Light #1, MI | 91 mi | 49 min | N 28 G 31 | 27°F | 1009.8 hPa (+0.7) |
Wind History for Holland, MI
(wind in knots) EDIT (on/off)  Help3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | |
Last 24hr | NE G15 | NE G18 | NE | NE G18 | NE G14 | NE G15 | NE G24 | NE G18 | NE G26 | NE G25 | NE G24 | NE G21 | NE G17 | NE G15 | NE G18 | N G16 | NE G21 | NE G16 | NE G16 | NE G17 | NE G18 | N G14 | N G17 | N G17 |
1 day ago | S | S | S | SE | SE | SE | SE | SE G7 | SE | SE G6 | SE | E | E | NE | NE | NE | NE G5 | NE | NE G6 | NE | NE | E | NE G11 | NE G9 |
2 days ago | SW G13 | SW | SW | S G11 | S | SE G8 | SE G9 | SE G7 | E | E G9 | E G9 | SE | E | E | E G12 | SE | E G11 | E G13 | E G14 | SE G14 | E G17 | E G17 | SE G11 | S G9 |
Airport Reports
EDIT (on/off)  Help Click EDIT to display multiple airports. Follow links for more data.Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
Capital Region International Airport, MI | 8 mi | 56 min | N 10 G 20 | 0.75 mi | Light Snow Fog/Mist | 29°F | 27°F | 92% | 1010.7 hPa |
Charlotte, Fitch H Beach Airport, MI | 13 mi | 54 min | N 8 | 3.00 mi | Light Snow | 30°F | 28°F | 90% | 1008.8 hPa |
Mason, Mason Jewett Field Airport, MI | 21 mi | 54 min | N 4 | 1.75 mi | Light Snow | 30°F | 28°F | 92% | 1008.8 hPa |
Ionia County Airport, MI | 21 mi | 72 min | N 14 G 20 | 0.75 mi | Light Snow | 28°F | 25°F | 86% | 1010.2 hPa |
Link to 5 minute data for KLAN
Wind History from LAN (wind in knots)
4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | |
Last 24hr | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE G19 | NE | NE | NE | NE | N | NE G21 | NE G24 | NE G22 | NE G21 | N | N G20 | |
1 day ago | SE | SE | SE | SE | SE | Calm | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NE | NE | NE | NE | NE | N |
2 days ago | SW | W | SW | S | Calm | Calm | Calm | Calm | E | Calm | E | SE | E | SE | S | SE | S | SE | SE | SE | SE | SE | SE | SE |
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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Ground Weather Radar Station
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