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Location: Seattle, Washington, United States

The following ISS sightings are possible from Friday Apr 25, 2025 through Saturday May 10, 2025

Date Visible Max Height Appears Disappears Share Event
Sat Apr 26, 3:16 AM 2 min 23° 23° above ESE 10° above E  
Sat Apr 26, 4:49 AM 6 min 62° 16° above W 10° above ENE  
Sun Apr 27, 4:03 AM 4 min 83° 47° above WSW 10° above ENE  
Mon Apr 28, 3:17 AM 3 min 48° 48° above E 10° above ENE  
Mon Apr 28, 4:50 AM 6 min 43° 10° above W 10° above ENE  
Tue Apr 29, 2:31 AM 1 min 18° 18° above E 10° above ENE  
Tue Apr 29, 4:04 AM 5 min 50° 27° above WNW 10° above ENE  
Wed Apr 30, 3:18 AM 3 min 63° 62° above N 10° above ENE  
Wed Apr 30, 4:51 AM 6 min 39° 10° above WNW 10° above ENE  
Thu May 1, 2:31 AM 2 min 26° 26° above ENE 10° above ENE  
Thu May 1, 4:04 AM 6 min 40° 15° above WNW 10° above ENE  
Fri May 2, 1:45 AM < 1 min 11° 11° above ENE 10° above ENE  
Fri May 2, 3:18 AM 4 min 43° 37° above NW 10° above ENE  
Fri May 2, 4:52 AM 7 min 47° 10° above WNW 10° above E  
Sat May 3, 2:31 AM 3 min 41° 41° above NNE 10° above ENE  
Sat May 3, 4:05 AM 6 min 41° 10° above WNW 10° above E  
Sun May 4, 1:45 AM 1 min 19° 19° above ENE 10° above ENE  
Sun May 4, 3:18 AM 5 min 39° 20° above WNW 10° above ENE  
Sun May 4, 4:53 AM 7 min 73° 10° above WNW 10° above ESE  
Mon May 5, 2:31 AM 3 min 40° 39° above NNW 10° above ENE  
Mon May 5, 4:05 AM 7 min 56° 10° above WNW 10° above E  
Tue May 6, 1:45 AM 2 min 26° 26° above NE 10° above ENE  
Tue May 6, 3:18 AM 6 min 46° 13° above WNW 10° above E  
Tue May 6, 4:54 AM 7 min 56° 10° above WNW 10° above SE  
Wed May 7, 12:59 AM < 1 min 10° 10° above ENE 10° above ENE  
Wed May 7, 2:31 AM 4 min 41° 32° above NW 10° above ENE  
Wed May 7, 4:06 AM 7 min 83° 10° above WNW 10° above ESE  
Thu May 8, 1:45 AM 2 min 34° 34° above NE 10° above ENE  
Thu May 8, 3:18 AM 7 min 71° 10° above WNW 10° above ESE  
Thu May 8, 4:55 AM 6 min 25° 10° above W 10° above SSE  
Thu May 8, 9:40 PM 4 min 19° 10° above S 14° above ESE  
Thu May 8, 11:16 PM 2 min 28° 10° above WSW 28° above WSW  
Fri May 9, 12:59 AM < 1 min 10° 10° above ENE 10° above ENE  
Fri May 9, 2:32 AM 4 min 55° 41° above NW 10° above E  
Fri May 9, 4:07 AM 6 min 38° 10° above WNW 10° above SE  
Fri May 9, 10:28 PM 7 min 64° 10° above SW 10° above ENE  
Sat May 10, 12:05 AM 4 min 44° 10° above W 40° above NNE  
Sat May 10, 3:22 AM 3 min 59° 57° above SSW 10° above SE  
Sat May 10, 4:57 AM 2 min 11° 10° above WSW 10° above SSW  
{ts '2025-04-26 10:16:00'},Sat Apr 26, 3:16 AM,2 min,23°,23° above ESE,10° above E|{ts '2025-04-26 11:49:00'},Sat Apr 26, 4:49 AM,6 min,62°,16° above W,10° above ENE|{ts '2025-04-27 11:03:00'},Sun Apr 27, 4:03 AM,4 min,83°,47° above WSW,10° above ENE|{ts '2025-04-28 10:17:00'},Mon Apr 28, 3:17 AM,3 min,48°,48° above E,10° above ENE|{ts '2025-04-28 11:50:00'},Mon Apr 28, 4:50 AM,6 min,43°,10° above W,10° above ENE|{ts '2025-04-29 09:31:00'},Tue Apr 29, 2:31 AM,1 min,18°,18° above E,10° above ENE|{ts '2025-04-29 11:04:00'},Tue Apr 29, 4:04 AM,5 min,50°,27° above WNW,10° above ENE|{ts '2025-04-30 10:18:00'},Wed Apr 30, 3:18 AM,3 min,63°,62° above N,10° above ENE|{ts '2025-04-30 11:51:00'},Wed Apr 30, 4:51 AM,6 min,39°,10° above WNW,10° above ENE|{ts '2025-05-01 09:31:00'},Thu May 1, 2:31 AM,2 min,26°,26° above ENE,10° above ENE|{ts '2025-05-01 11:04:00'},Thu May 1, 4:04 AM,6 min,40°,15° above WNW,10° above ENE|{ts '2025-05-02 08:45:00'},Fri May 2, 1:45 AM,< 1 min,11°,11° above ENE,10° above ENE|{ts '2025-05-02 10:18:00'},Fri May 2, 3:18 AM,4 min,43°,37° above NW,10° above ENE|{ts '2025-05-02 11:52:00'},Fri May 2, 4:52 AM,7 min,47°,10° above WNW,10° above E|{ts '2025-05-03 09:31:00'},Sat May 3, 2:31 AM,3 min,41°,41° above NNE,10° above ENE|{ts '2025-05-03 11:05:00'},Sat May 3, 4:05 AM,6 min,41°,10° above WNW,10° above E|{ts '2025-05-04 08:45:00'},Sun May 4, 1:45 AM,1 min,19°,19° above ENE,10° above ENE|{ts '2025-05-04 10:18:00'},Sun May 4, 3:18 AM,5 min,39°,20° above WNW,10° above ENE|{ts '2025-05-04 11:53:00'},Sun May 4, 4:53 AM,7 min,73°,10° above WNW,10° above ESE|{ts '2025-05-05 09:31:00'},Mon May 5, 2:31 AM,3 min,40°,39° above NNW,10° above ENE|{ts '2025-05-05 11:05:00'},Mon May 5, 4:05 AM,7 min,56°,10° above WNW,10° above E|{ts '2025-05-06 08:45:00'},Tue May 6, 1:45 AM,2 min,26°,26° above NE,10° above ENE|{ts '2025-05-06 10:18:00'},Tue May 6, 3:18 AM,6 min,46°,13° above WNW,10° above E|{ts '2025-05-06 11:54:00'},Tue May 6, 4:54 AM,7 min,56°,10° above WNW,10° above SE|{ts '2025-05-07 07:59:00'},Wed May 7, 12:59 AM,< 1 min,10°,10° above ENE,10° above ENE|{ts '2025-05-07 09:31:00'},Wed May 7, 2:31 AM,4 min,41°,32° above NW,10° above ENE|{ts '2025-05-07 11:06:00'},Wed May 7, 4:06 AM,7 min,83°,10° above WNW,10° above ESE|{ts '2025-05-08 08:45:00'},Thu May 8, 1:45 AM,2 min,34°,34° above NE,10° above ENE|{ts '2025-05-08 10:18:00'},Thu May 8, 3:18 AM,7 min,71°,10° above WNW,10° above ESE|{ts '2025-05-08 11:55:00'},Thu May 8, 4:55 AM,6 min,25°,10° above W,10° above SSE|{ts '2025-05-09 04:40:00'},Thu May 8, 9:40 PM,4 min,19°,10° above S,14° above ESE|{ts '2025-05-09 06:16:00'},Thu May 8, 11:16 PM,2 min,28°,10° above WSW,28° above WSW|{ts '2025-05-09 07:59:00'},Fri May 9, 12:59 AM,< 1 min,10°,10° above ENE,10° above ENE|{ts '2025-05-09 09:32:00'},Fri May 9, 2:32 AM,4 min,55°,41° above NW,10° above E|{ts '2025-05-09 11:07:00'},Fri May 9, 4:07 AM,6 min,38°,10° above WNW,10° above SE|{ts '2025-05-10 05:28:00'},Fri May 9, 10:28 PM,7 min,64°,10° above SW,10° above ENE|{ts '2025-05-10 07:05:00'},Sat May 10, 12:05 AM,4 min,44°,10° above W,40° above NNE|{ts '2025-05-10 10:22:00'},Sat May 10, 3:22 AM,3 min,59°,57° above SSW,10° above SE|{ts '2025-05-10 11:57:00'},Sat May 10, 4:57 AM,2 min,11°,10° above WSW,10° above SSW|

What am I looking for in the sky?

The space station looks like an airplane or a very bright star moving across the sky, except it doesn't have flashing lights or change direction. It will also be moving considerably faster than a typical airplane (airplanes generally fly at about 600 miles per hour; the space station flies at 17,500 miles per hour).

Below is a time-lapse photo of the space station moving across the sky.

The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls

Visit the NASA Johnson Flickr Photostream

How do I Spot The Station?

What does all this sighting information mean?

Time is when the sighting opportunity will begin in your local time zone. All sightings will occur within a few hours before or after sunrise or sunset. This is the optimum viewing period as the sun reflects off the space station and contrasts against the darker sky.

Visible is the maximum time period the space station is visible before crossing back below the horizon.

Max Height is measured in degrees (also known as elevation). It represents the height of the space station from the horizon in the night sky. The horizon is at zero degrees, and directly overhead is ninety degrees. If you hold your fist at arm's length and place your fist resting on the horizon, the top will be about 10 degrees.

Appears is the location in the sky where the station will be visible first. This value, like maximum height, also is measured in degrees from the horizon. The letters represent compass directions -- N is north, WNW is west by northwest, and so on.

Disappears represents where in the night sky the International Space Station will leave your field of view.

Astronomical Horizon chart. Click the link for a detailed description of the astronomical horizon and sighting alert messages.

National Aeronautics and Space Administration Page Editor: Bill Keeter NASA Official: Jacob Keaton