Nambour has its own creek. Petrie Creek runs through the town and joins the Maroochy system downstream. Maritime Safety Queensland treats it as navigable by shallow-draught vessels up to 12 metres, but only as far as the David Low Way road bridge at Diddillibah, which carries about three metres of clearance at the highest tide. The one launch point on Nambour's own creek is informal, off Petrie Creek Road at Diddillibah, and it appears in neither the council ramp register nor the MSQ facilities database.
Nambour is a creek town, and the creek has a ceiling written into it. Maritime Safety Queensland records Petrie Creek as navigable by shallow-draught ships up to 12 metres, but only as far as the David Low Way road bridge at Diddillibah, where the clearance is about three metres at the highest astronomical tide. Above the Paynter Creek junction the creek meanders at 90 degrees or less and becomes very narrow and shallow, under 10 metres wide just downstream of the Bruce Highway at Rosemount. That is real water with a real size limit, and it is worth knowing which boat fits it before you buy one.
Start with where a trailer boat actually goes in. The only launch point on Nambour's own creek is an informal ramp off Petrie Creek Road at Diddillibah, and MSQ records that it appears in neither the council ramp register nor the MSQ boating facilities database. An unrecorded ramp carries no published lane count, no tide flag and no parking detail, so nothing about it can be looked up before you arrive.
The ramps that are recorded sit on the Maroochy itself. Muller Park at Bli Bli, MSQ identifier MA21, is the closest recorded Maroochy River trailer ramp to the northern hinterland, and MSQ flags it Low Tide Restricted; the Cod Hole on Bradman Avenue, MA11, and Fishermans Road, MA14, are not flagged that way. That single field is the difference between a launch that works at any tide and one that does not, and it is public.
There is one rule on your own creek that almost nobody hears about. Water skiing is prohibited on Petrie Creek, gazetted 28 February 1997. It is not a coastal rule or a general one, it applies to the water running through Nambour.
The size ceilings change again once you are out on the river. MSQ puts 2.8 metres of clearance under the David Low Bridge at highest astronomical tide, and because of that the reach above the bridge is navigable only by powered vessels up to seven metres, while below the bridge the limit is twelve. Petrie Creek's own twelve metre figure applies only as far as Diddillibah. One river system, several different ceilings, depending on which reach you are in.
On the course day this stops being trivia. Operating at 6 knots or less is one of the tasks you are assessed on, and reading which limit applies to the water under you is the skill that sits behind it. You do the online theory first, then book your on-water day, and the theory has to fall no more than three months before it. The day runs at our Maroochydore venue on the Maroochy River, the system Petrie Creek drains into, with the run down along the Nambour Connection Road and David Low Way.
The course itself is the same wherever you sit it: the theory online first, in your own time, then a day on the water with a trainer before the assessment. You need a licence for any boat with an engine over 4.5 kilowatts, which is nearly every tinny, runabout and cruiser. Pass, and the Queensland licence never expires. Pick the date that suits you and book online.