| Distance / Altitude | Location | Report Date / Time | Live Weather | Wind | Gusts | Temp. | Visibility | Cloud |
|---|---|---|---|---|---|---|---|---|
| 3 km NNE / 3 m | BUOY-SFXC1 (Marine) | 2025-12-20 08:45 local (2025/12/20 16:45 GMT) | calm (4 km/h at 330) | 12°C | - | |||
| 13 km S / 3 m | BUOY-PCOC1 (Marine) | 2025-12-20 09:48 local (2025/12/20 17:48 GMT) | light winds from the NE (13 km/h at 50) | — | - | |||
| 15 km NE / 218 m | Travis Air Force Base Airport (California) | 2025-12-20 09:40 local (2025/12/20 17:40 GMT) |  Mist - | wind obs. (9 kph from 130 degs) was rejected (- km/h at -) | 12°C | 10 | overcast | |
| 17 km S / 3 m | BUOY-MZXC1 (Marine) | 2025-12-20 09:48 local (2025/12/20 17:48 GMT) | calm (5 km/h at 60) | — | - | |||
| 17 km S / 3 m | BUOY-UPBC1 (Marine) | 2025-12-20 09:48 local (2025/12/20 17:48 GMT) | light winds from the E (13 km/h at 80) | — | - | |||
| 20 km S / 218 m | Concord Airport (California) | 2025-12-20 08:53 local (2025/12/20 16:53 GMT) | - | light winds from the NW (7 km/h at 320) | 12°C | 0.0 | broken | |
| 21 km S / 15 m | SHIP3959 (Marine) | 2025-12-20 08:00 local (2025/12/20 16:00 GMT) | - (- km/h at -) | — | - km | |||
| 21 km SE / 3 m | BUOY-PSBC1 (Marine) | 2025-12-20 09:48 local (2025/12/20 17:48 GMT) | light winds from the ESE (11 km/h at 120) | — | - | |||
| 21 km S / 15 m | SHIP8653 (Marine) | 2025-12-20 08:00 local (2025/12/20 16:00 GMT) | - (- km/h at -) | — | - km | |||
| 21 km WSW / 202 m | Napa Airport (California) | 2025-12-20 09:42 local (2025/12/20 17:42 GMT) |  Moderate rain | calm (0 km/h at 0) | 14°C | 2 | overcast |
* NOTE: not all live weather reports for Joice Island, Suisun Slough, Suisun Bay, California 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 Joice Island, Suisun Slough, Suisun Bay, California, United States and within an acceptable time window.
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