Weather windows, hidden anchorages, and the tranquil rhythm of cruising New Zealand’s rugged coastlines.
Stargazing on a remote, off-grid barrier island powered solely by renewable energy and located within a dark sky sanctuary. My feet are buried in the sand, my bum is snug in a moon chair, and my hands are warmed by a cup of hot tea as I wait my turn at the eight-inch Dobsonian telescope. Watching the Milky Way stretch across the sky above Great Barrier Island, the careful planning and patience needed to wait for the right weather window suddenly make perfect sense.
Why is sailing to Great Barrier Island considered a rite of passage? Perhaps it’s the allure of solitude, the dark-sky sanctuary, or the quiet thrill of finding a spot to anchor where you might be the only boat around?

The crossing
Sailing to Great Barrier Island seems deceptively simple on the chart. It’s close enough to make it doable in a single day, yet far enough to be a real getaway. For many first timers, the crossing provides quiet anchorages, long beaches, and a laid-back pace, though the island has a knack for catching those who come unprepared off guard.
About 50 nautical miles from Westhaven across the Hauraki Gulf, the crossing to Great Barrier Island is largely a game of timing. With little protection from swell in the outer gulf, waiting for a settled forecast and favorable wind can mean the difference between a comfortable passage and a rough, pounding day.

Summer through early autumn generally provides the best sailing windows. December to February offers warm weather and light morning winds, but anchorages can get crowded. March and April are often the sweet spot, with settled weather and fewer boats, while May becomes less predictable as autumn fronts begin moving through the Gulf.
On a clear day, the island appears long before you arrive. The wooded ridges rise from the deep blue, and soon the calm anchorages of Port Fitzroy are close enough to smell the land. By the time the anchor drops and the chain rattles through the bow roller, the long crossing already feels worth it.
Stargazing on Great Barrier Island
Why it’s special
The International Dark-Sky Association has designated Great Barrier Island as an International Dark Sky Sanctuary, indicating that artificial light is minimal and the night sky looks exceptionally clear.
Where to go
Good Heavens Dark Sky Experiences: located at Medlands Beach, this guided experience uses a powerful eight-inch Dobsonian telescope to explore the southern sky.
What the experience is like
- Gather beneath a truly dark sky, far from city lights
- Relax in moon chairs with a warm drink
- Explore the southern constellations with expert guides
- Observe planets and star clusters through a telescope
- Watch the Milky Way rise like a glowing river in the sky
What you might see
- Saturn’s rings
- The Southern Cross
- Star clusters and distant galaxies
- The Milky Way in remarkable clarity
What to bring
- Layer up for warmth, as nights cool quickly
- Curiosity and patience
- Your phone for astrophotography, though you might forget it when the sky takes over
Best time to visit
April to October: crisp, clear skies. Moonless nights are ideal for deep-sky viewing. Tours typically begin about 90 minutes after sunset.
Getting there by boat
Most cruisers visiting Port Fitzroy can get to Medlands Beach either by a pre-arranged shuttle or by renting a car.

Insider tip: Turn off your phone screen and give your eyes about 20 minutes to adjust to the darkness. The longer you sit with the sky, the more stars you will see.
Port Fitzroy: Gateway to the barrier
To get the salty experience you sailed this rum line for, steer the bow toward Port Fitzroy. With its many coves tucked away from the swell, you’ll find comfort, and the company of salty sailors, from first timers to those who long ago swallowed the anchor.
Once inside Port Fitzroy, the temptation might be to drop the hook in the first open patch of water, but the harbour rewards patience. Holding is generally good, though wind direction and swing room quickly become part of the equation when the bay begins to fill.

Take a moment to consider what you most want from your time on Great Barrier Island, a specific view, a well-known anchorage, or a hike ashore. Weather windows and cruising schedules don’t always line up, and it’s easy to leave the island wishing you had experienced the scene that’s etched in your mind.
Finding your perfect cove
Waiahi Bay
If you’re after a simple soundtrack of birds and water gently lapping against the hull, Waiahi Bay is hard to beat. It’s the kind of anchorage where you can stretch your legs on shore, explore the trails, and stop to watch a fantail dart through the trees chasing insects.
Smokehouse Bay
Looking for the social side of cruising, maybe a smoker for your fresh catch, a spot to spin dough for a wood-fired pizza, or even a hot bath shared with fellow salt-soaked sailors? Then you’ll want to drop the hook in Smokehouse Bay, widely known as the social hub of Port Fitzroy.

Kiwiriki Bay
If disappearing from the rest of the world is your goal, point the bow toward Kiwiriki Bay. Bathing suits are optional, the water is usually calm, and the anchorage encourages you to slow down and enjoy the scenery. It’s so calm that you can steady your binos on the birdlife along the shore.
Rarohara Bay
Want to stretch your legs ashore and meet some locals? Drop anchor near Rarohara Bay, where you can find basic provisions and enjoy a laid-back island vibe. Celebrate your walk with a burger and a beer at the Fitzroy Boat Club, just make sure to check their hours before setting out.
First-timer’s tips
- Wait for the right weather window. The Hauraki Gulf often reminds sailors who’s really in control. Waiting an extra day for a settled forecast can turn a slog into a pleasant sail.
- Have a second anchorage in mind. What appears protected on the chart can feel very different once the wind shifts. Many cruisers have a preferred anchorage but keep a backup option ready in case swell or wind direction changes the plan.
- Bring more provisions than you think you’ll need. Part of the charm of Great Barrier Island is its remoteness. Supplies ashore are limited, and opening hours are unpredictable, so most cruisers arrive well stocked and see anything found ashore as a bonus.
- Leave room in your schedule. The Barrier often slows people down. A calm anchorage, a friendly cruiser gathering, or perfect weather can easily turn a planned overnight stay into a longer visit.

Letting the barrier set the pace
Perhaps the biggest change for first timers on Great Barrier Island is learning to slow down. Weather can alter plans, anchorages invite you to stay longer, and soon the island seems to find its own rhythm. Stop fighting the schedule and just let the Barrier set the pace.

Under the barrier sky
Back onboard after sunset, with the boat quietly settled at anchor and the occasional creak of the single can rolling around, the sky gradually fills with stars. The Milky Way arches overhead, brighter than many first-time visitors expect, and the only other sound is the whistling call of a kiwi.
It’s at this moment you realise why sailing to Great Barrier Island is a rite of passage for New Zealand cruisers, and why so many keep returning.













