
A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >
| Current Marine Weather Observations* |
| Great Lakes Buoy Observations - GLOS |
| National Data Buoy Center - NDBC |
| Experimental Great Lakes Observation Page |
*Use these links in tandem to see all available marine-related weather observations.
| Today | Tonight | Thursday | Thursday Night | ||||||||||||||||||||||||||||||||||||||||||||
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a |
Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
| Today | Tonight | Thursday | Thursday Night | ||||||||||||||||||||||||||||||||||||||||||||
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a |
Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
| Today | Tonight | Thursday | Thursday Night | ||||||||||||||||||||||||||||||||||||||||||||
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a |
Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
| Today | Tonight | Thursday | Thursday Night | ||||||||||||||||||||||||||||||||||||||||||||
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a |
Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
| Today | Tonight | Thursday | Thursday Night | ||||||||||||||||||||||||||||||||||||||||||||
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a |
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)
| Marine Hazards Legend | ||
| Threat | Sustained Wind Speed or Gusts (kts) | Wave Height (ft) |
| None | < 15 | < 1.5 |
| Kayak Caution | 15-18 knots | 1.5-2.0 ft |
| Limited | 19-23 knots | 2.1-3.9 ft |
| Elevated | 24-33 knots | 4.0-6.9 ft |
| Significant | ≥ 34 knots | ≥ 7.0 ft |
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