⚓ Zoom in for sea marks
SOG
— kn
COG
—°
POSITION
—
Phone sensors
iOS asks permission for compass and heel. Tap once and allow.
—HDG
Heel
—°
max 0° P · 0° S
—° heel · —° pitch
Anchor alarm
Sounds an alarm if the boat drifts beyond the radius. Keep the app open with the screen on.
Keep screen on (Wake Lock)
off
Sensor check
GPS position …
Compass (heading) …
Heel / motion …
Camera …
Wake Lock …
Barometer (pressure) native only
Weather & sea
Wind
— kn
Gusts
— kn
Wind dir
—°
Waves
— m
Wave period
— s
Temp
—°
Data: Open-Meteo (free). Needs signal and GPS position.
Marine forecast (DHMZ)
+0 h
Source: DHMZ (ALADIN/HR) · drag the slider for +0–72 h. Needs signal.
Open full DHMZ forecast ↗Marine bulletin (DHMZ · 2×/day)
Wind map (Windy)
Interactive forecast (Windy / ECMWF) — needs signal. Drag the timeline for the forecast.
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Guide
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Map
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Tools
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Weather
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Logbook & Trips
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Checklists
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