When can you see the ISS over Charleston?
ISS over Charleston: Next Pass 03:18 (W→NNE) at 11.8° for about 9 min .
This is our current prediction for the next visible ISS pass over Charleston. The International Space Station will be visible from Charleston starting at 03:18.
We don't see any visible passes over Charleston for the next 36 hours. Check back later!
Updated: 06:02 · Night of 2026-04-26 (local) · Timezone: America/New_York
Local Viewing Conditions
Suburban Bright
Noticeable light pollution.
Stars to look for this month
Look high overhead for the Big Dipper and Leo.
- Leo
- Ursa Major
- Hydra
Tonight’s Viewing Conditions
Next visible pass
Look up at 2026-05-04 05:54
Moves NNW → ESE. Peaks at 23°.
Viewing tips
Starts at 2026-05-04 05:54. Appears NW (329°) and moves toward E (103°). Peaks at 23° (low in the sky).
This pass stays low on the horizon (23°), so you’ll need a clear view (no buildings/trees).
Conditions are evaluated using cloud cover, moon phase, and ISS elevation.
Visible ISS passes in the next 36 hours
| Time (Local) | Visibility | Max Height | Duration | Cloud Cover | Precipitation |
|---|---|---|---|---|---|
| 03:18 | Night | 11.8° | 9 min |
86%
03:00
|
0 mm |
How to spot the next ISS pass
Applies to: 03:18 (local)
| Time (Local) | Starts | Max Height | Ends |
|---|---|---|---|
| 03:18 NEXT | W (274°) | 11.8° | NNE (28°) |
Viewing Gear Guide
Binoculars
While the ISS is visible to the naked eye, a pair of 10x50 binoculars can reveal more structure detail.
Photography
To capture the ISS light trail, use a tripod and a long exposure (10-30 seconds).
Frequently Asked Questions
Can you see the ISS through clouds?
No, the ISS is not visible through thick clouds. If cloud cover is low, you may still catch it through breaks.
How much cloud cover is too much?
Above ~80% cloud cover, viewing is usually difficult. Best results are typically with 0-20% cloud cover.
How accurate is the forecast?
Pass timing is highly accurate. Weather can shift quickly, so re-check cloud cover close to the pass.
What does visible pass mean?
A visible pass means the ISS is sunlit while your sky is dark enough to see it.
ISS fact of the day
The station weighs approximately 925,000 pounds (420,000 kilograms).
Explore Nearby Cities
Tip: Go outside a few minutes before pass time with a clear horizon and minimal direct glare.