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Motuara Island (-41.093883°, 174.271459°)
Okukari Bay (-41.201612°, 174.311423°)
Te Weka (-41.249400°, 174.192815°)
Port Marlborough maintains a tide station at Waitohe Wharf. It has a radar sensor. Measurements are taken once a minute and reported distributed via NMEA.
Waitohe Wharf (-41.282436°, 174.006476°)
AIS Messages
Stations transmit AIS messages 21 and 8 once every six minutes on each channel, offset by three minutes. Message 21 reports the station name and coordinates. Message 8 reports a composite tide height that considers inputs from both pressure and radar sensors.
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Data is available for:
Motuara Island on port 4506012020
Okukari Bay on port 4506112021
Te Weka on port 12022
Waitohe Wharf on port 4506212029
| Code Block |
|---|
$WIXDR,D,1.148,M,HTIDE,D,0.016,M,SDTID,*6D |
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More complete data is available for Marlborough-managed tide stations via JSON messages, available on request. Message format is:
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