Marshall Islands in March: Weather, Crowds & What to Expect

Majuro & Central Atolls (capital and nearby lagoons)

March still feels summery but the sky can be clearer than mid-winter; daytime temperatures hover near 29-31°C while nights stay around 25-27°C. This is a good window for land-based activities: the Alele Museum and the waterfront boardwalk are pleasant without heavy rain, and inter-island ferry options remain fairly dependable. Book fishing charters or lagoon trips now - operators are active before the wetter months - and be prepared for occasional short squalls.

Kwajalein & Western Atolls (Ebeye, Kwajalein Atoll, nearby dive sites)

March offers some of the clearest water windows of the year around many western atolls; sea surface temperatures stay around 28-29°C while the land remains warm. This is a popular time for wreck and reef diving at sites near Kwajalein; operators run early departures to avoid increased wind later in the day. Travelers should reserve dive slots ahead of time and bring a lightweight dry bag for equipment, as sudden rains still occur but clear quickly.

Bikini, Enewetak & remote northern/western atolls (atomic-test sites and expedition diving)

March continues to be attractive for remote diving: stable sea states, warm air and more predictable weather windows make it easier to reach atolls that are otherwise difficult. The sparse local populations mean shore facilities are minimal, so travelers rely on liveaboards and should pack spare parts and chargers; daylight hours are long and photo opportunities abound. Be aware that air services to support charters are limited, so once dates are set weather delays can cascade.

Southern atolls (Jaluit, Mili, Ailinglaplap and quieter outer islands)

March typically keeps steady weather with warm seas and reliable breezes, making it one of the more pleasant times for cycling the compact atoll roads or visiting archeological sites. Local festivals sometimes occur in this season and are easier to attend when the weather is cooperative. Travelers planning to move between islands should still allow buffer time for sporadic weather-related delays.