North-west Guyana around Mabaruma is a dark-sky candidate with sparse settlement glow. Pair weather layers with a moonless dark-sky window for the best hours.
Coastal moisture from the Atlantic often raises dew by midnight.
Guyana · Barima-Waini · north-west
Check the live Tonight score, best clear window, and next ISS pass on this page, then open a tool with coordinates prefilled.
Learn: Is tonight good for stargazing? · How to see the Milky Way