NASA's Artemis II crew is racing home from the moon, and the only thing standing between a clean splashdown off San Diego and a last-minute scramble is a patch of Pacific rain. The Orion spacecraft is set to hit the water at 5:07 p.m. PT on Friday, ten days after launch, but the agency's own weather rules could force a change of plans if showers drift too close to the recovery zone.
The four-person crew completed its lunar flyby on Monday and began the four-day return trip to Earth. By Tuesday afternoon, the USS John P. Murtha had already departed for the planned splashdown site in the Pacific, Fox Weather reported. The crew will re-enter Earth's atmosphere over the Indian Ocean before transiting to the Pacific for splashdown off the California coast.
It is a moment worth savoring. For the first time since Apollo, American astronauts have flown around the moon and are coming home. The mission, which NASA cleared for launch after years of delays, hydrogen leaks, and schedule slips, now hinges on whether the weather cooperates for the final act.
NASA does not leave splashdown conditions to chance. The agency enforces hard thresholds: no precipitation or thunderstorms within 35 miles, 30 nautical miles, of the landing site. Significant wave height must stay below six feet. Winds cannot exceed 29 mph, or 25 knots.
If any rain falls inside that 35-mile radius, NASA will have to find a new location for Orion to come down. The FOX Forecast Center flagged a weather system that could push rain showers over the ocean on Friday, raising the possibility that the primary zone off San Diego may not meet criteria when it counts.
This is not hypothetical. NASA faced exactly this problem during Artemis I. That uncrewed test flight launched from Kennedy Space Center in Florida on November 16, 2022. After 25.5 days in space, Orion returned on December 11, 2022, but a cold front had produced light rain in the primary recovery zone off the California coast.
NASA moved the splashdown south to waters near Guadalupe Island, west of Baja California, Mexico. The USS Portland recovered the capsule from its well deck there. It was a manageable adjustment for an uncrewed vehicle. With four astronauts aboard Orion this time, the stakes are higher and the margin for improvisation is thinner.
The Artemis II mission has followed a path no crewed spacecraft has traveled since the early 1970s. The crew launched atop the Space Launch System rocket from Kennedy Space Center and pressed into deep space, eventually firing their engine to commit to a lunar trajectory.
On April 6, 2026, the crew captured an image of Earthset through the Orion spacecraft window at 6:41 p.m. EDT during their flyby. NASA's Artemis account on X posted photographs from the far side of the moon, including images of the Orientale Basin's rings. It was the kind of imagery that reminded the country what American spaceflight can accomplish when the hardware works and the mission stays on track.
The mission's road to the launch pad was anything but smooth. Hydrogen leak issues forced NASA to postpone the lunar mission earlier in the program's development. Technicians with NASA's Exploration Ground Systems team prepared for integration, attaching Orion on top of the SLS rocket in High Bay 3 of the Vehicle Assembly Building at Kennedy Space Center, on Friday, October 17, 2025.
That long preparation makes the final hours before splashdown all the more consequential. A decade of development, billions in taxpayer investment, and a crew of four are converging on a single point in the Pacific Ocean. Whether the weather clears or forces a redirect will determine how the homecoming unfolds.
The USS John P. Murtha is already steaming toward the recovery zone. NASA confirmed Tuesday afternoon that the ship had begun its transit. The Navy vessel's role mirrors that of the USS Portland, which handled Artemis I recovery off Baja California in 2022.
The crew's commitment to the lunar trajectory earlier in the mission meant there was no turning back. Now the return is locked in, and the only variable left is where exactly Orion touches the Pacific.
If the primary site off San Diego stays dry, the splashdown proceeds as planned at 5:07 p.m. PT. If showers encroach within that 35-mile threshold, NASA will shift to an alternate location, just as it did three and a half years ago.
Several details remain unclear. NASA has not publicly identified which alternate splashdown sites are under consideration if weather forces a move. The exact coordinates of the primary zone have not been disclosed in public reporting. And the names of the four crew members were not specified in the weather-focused coverage, though the crew's early days in orbit have been well documented elsewhere.
What is clear is that the FOX Forecast Center is watching the Pacific closely, and NASA's weather team will make the call based on hard numbers, not optimism.
The Artemis program has tested taxpayer patience with delays, cost overruns, and technical setbacks. But right now, four Americans are aboard a spacecraft heading home from the moon. That matters. The country built the rocket, flew the mission, and put a crew around the far side of the lunar surface for the first time in more than half a century.
A little rain off San Diego would be the most American ending imaginable, a triumph that still has to sweat the details on the way home.
