| Distance / Altitude | Location | Report Date / Time | Live Weather | Wind | Gusts | Temp. | Visibility | Cloud |
|---|---|---|---|---|---|---|---|---|
| 1 km NNE / 3 m | BUOY-BLTM2 (Marine) | 2025-12-24 07:00 local (2025/12/24 12:00 GMT) | moderate winds from the NNW (22 km/h at 330) | — | - | |||
| 7 km SE / 3 m | BUOY-44080 (Marine) | 2025-12-24 07:06 local (2025/12/24 12:06 GMT) | light winds from the NW (18 km/h at 320) | 8°C | - | |||
| 7 km SE / 3 m | BUOY-FSKM2 (Marine) | 2025-12-24 07:00 local (2025/12/24 12:00 GMT) | moderate winds from the NW (22 km/h at 310) | 10°C | - | |||
| 10 km SE / - m | SHIP402 (ocean) | 2025-12-24 06:00 local (2025/12/24 11:00 GMT) | - | light winds from the W (14 km/h at 270) | 6°C | - | no observation | |
| 13 km SSW / 217 m | Baltimore/Washington International Thurgood Marshall Airport (Maryland) | 2025-12-24 05:54 local (2025/12/24 10:54 GMT) |  Clear | light winds from the N (6 km/h at 1) | 2°C | 16 | ||
| 10 km SE / - m | SHIP243 (ocean) | 2025-12-24 05:00 local (2025/12/24 10:00 GMT) | - | light winds from the ESE (7 km/h at 120) | 2°C | - | no observation | |
| 10 km SE / - m | SHIP1247 (ocean) | 2025-12-24 07:00 local (2025/12/24 12:00 GMT) | - | moderate winds from the NW (22 km/h at 310) | 8°C | - | no observation | |
| 10 km SE / - m | SHIP234 (ocean) | 2025-12-24 06:00 local (2025/12/24 11:00 GMT) | - | light winds from the W (14 km/h at 270) | 6°C | - | no observation | |
| 10 km SE / - m | SHIP183 (ocean) | 2025-12-24 06:00 local (2025/12/24 11:00 GMT) | - | light winds from the W (14 km/h at 270) | 4°C | - | no observation | |
| 10 km SE / - m | SHIP35 (ocean) | 2025-12-24 06:00 local (2025/12/24 11:00 GMT) | - | light winds from the W (14 km/h at 270) | 4°C | - | no observation |
* NOTE: not all live weather reports for Fort McHenry Marsh, Patapsco River, Maryland update at the same frequency which is why some locations can show data from stations that are more remote if the report is more recent than known closer ones. We also include live weather reports from ships and buoys if data are submitted close to Fort McHenry Marsh, Patapsco River, Maryland, United States and within an acceptable time window.
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