The RNLI lifeboats were launched at 12:45pm after the skipper of the 7m cabin cruiser radioed Humber Coastguard for urgent assistance after finding water had filled his engine compartment, stopping the motor.
As the lifeboats sped to the rescue, a nearby small boat came across and the occupants helped by using a small handheld pump to try to stop the water getting higher.
The larger Tynemouth all weather lifeboat, which carries a much bigger pump, arrived soon after and although its pump was not needed, the lifeboat took over the tow from the Cullercoats lifeboat, which remained alongside.
The tow back to safety took thirty minutes and passed without further incident and the boat was put on the moorings at its Royal Quays Marina base.
Once the boat was secure and its owner safely on dry land both RNLI lifeboats returned to station.
Lifeboat: 17-20 Spirit of Northumberland