— Ocean

Celestial Navigation — Atlantic Ocean

Navigating the Atlantic Ocean

The Atlantic Ocean is the classic training ground for celestial navigation. From the trade wind routes of Columbus to the great circle passages of modern racing, the Atlantic offers diverse conditions for mastering sight reduction.

Routes and Conditions

North Atlantic passages include Halifax to Bermuda, Europe to Azores, and the Viking Route. South Atlantic includes Brazil crossings and Canary Islands routes. Conditions range from steady trade winds to challenging North Atlantic weather.

Hemisphere

North and South

Available Passages

Halifax → Bermuda
7 days · Tier 1–2 · Free
Seven days from the NSYS dock to St. George's Harbour. Southwesterlies leaving H...
Carolinas → Bahamas
7 days · Tier 1–2
From the Outer Banks of the Carolinas to the first Bahamian cays. Seven days nav...
Europe → Azores
10 days · Tier 1–2
From Lisbon or La Coruña to Faial, with Radio Manuel on channel 16. Ten days in...
Classic Atlantic East → West
28 days · Tier 1–3
From the Canaries to Bermuda via the Azores — the classic Atlantic crossing. Twe...
Hawaii → California
14 days · Tier 2–2
From Hilo or Honolulu to San Francisco Bay along the Pacific High. Fourteen days...
Viking Route — Bergen → Newfoundland
21 days · Tier 2–3
Bergen, the Faroes, Iceland, Davis Strait, St. John's. Twenty-one days at high n...
Canaries → Caribbean (ARC route)
21 days · Tier 2–3
Las Palmas de Gran Canaria to St. Lucia — the route sailed every November by the...
Pacific Asia → Hawaii
21 days · Tier 2–3
From Japan or China to Honolulu via the northern great circle. Twenty-one days o...
South Atlantic — Brazil → Cape Verde
21 days · Tier 2–3
From Salvador de Bahia to the Cape Verde archipelago. Twenty-one days in the Sou...
Indian Ocean — Réunion → Australia
18 days · Tier 2–3
From La Réunion to Fremantle beneath the Roaring Forties. Eighteen days in the S...
South Pacific — NZ → French Polynesia
14 days · Tier 2–3
From Bay of Islands in New Zealand to Bora-Bora or Papeete. Fourteen days on the...
Cape Town → Brazil
21 days · Tier 2–3
From Table Bay to Salvador de Bahia — the westward South Atlantic crossing. Twen...
Australia → New Zealand (Tasman)
10 days · Tier 2–2
From Sydney or Fremantle to Auckland — the Tasman Sea crossing. Ten days in ofte...
Madagascar → Réunion
7 days · Tier 1–2
From Nosy Be or Tulear to Saint-Denis, Réunion — seven days across the Mozambiqu...
Ushuaia → Cape Town (high latitude)
28 days · Tier 3–4
From Ushuaia to Cape Town via the high southern latitudes — twenty-eight days in...
Polynesia → Hawaii (return north)
18 days · Tier 2–3
From Papeete to Honolulu — the reverse equatorial crossing. Eighteen days as the...
Hawaii → Marquesas ✦
18 days · Tier 2–3
From Hilo to Nuku Hiva — an equatorial crossing. Eighteen days as Polaris descen...
Canaries → Brazil ✦
21 days · Tier 2–3
From Las Palmas to Fortaleza or Salvador — the southwest Atlantic diagonal. Twen...
Lost at Sea
0 days · Tier 3–4 · Free
You wake up not knowing where you are. Somewhere on the ocean — that's all you'r...
World Tour ★
90 days · Tier 3–4
Gibraltar, the Canaries, the equator, Cape Horn, the Roaring Forties, the Indian...
Solar Eclipses ★
0 days · Tier 4–4 · Free
During a partial solar eclipse, two bodies are simultaneously visible through th...

Navigation Challenges

Celestial navigation in the Atlantic Ocean requires mastering sight reduction under varied conditions. Sailcasted passages simulate these conditions with realistic observations generated from USNO/JPL ephemerides.

Each observation includes the data needed for reduction: instrumental altitude, UTC time, observed celestial body, and simulated weather conditions. You practice exactly as at sea.

Ready to Navigate?

Try free with the Halifax — Bermuda passage. No credit card required.

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