Northern Lakes issued a wake-up call to Erina in Central Coast rugby league, downing the second-placed Eagles by 12 points.
In the other round 13 results, Kincumber was too good for Umina Beach and Berkeley Vale thumped Terrigal.
Ourimbah got the points over Toukley and The Entrance maintained its unbeaten record with a win over Woy Woy.
Full results:
NORTHERN LAKES 36
ERINA 24
KINCUMBER 24
UMINA BEACH 4
BERKELEY VALE 86
TERRIGAL 8
OURIMBAH 34
TOUKLEY 14
THE ENTRANCE 54
WOY WOY 18
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