Foggy Fish is the shallower shelf of the broader Foggy Reef system, sitting in 29-32 m immediately adjacent to the deeper, more famous cave section. Terrigal Underwater Group describes it simply as a fantastic dive, and much of that reputation rests on the sheer density and variety of fish holding over this part of the reef — living up to its name in a way that gives operators a reliable second option on the same mark as Foggy's Cave, either as a stand-alone dive on a day when the group doesn't need to push the full depth of the cave, or as the shallower half of a two-tank trip to the same reef system.Structurally, Foggy Fish is typical of the region's deep reef network: solid bommies and ledges rising off the surrounding sand, supporting sponge and gorgonian growth and providing plenty of shelter for the resident and transient fish life that gives the site its name. Grey nurse sharks that use the nearby cave for resting are also seen moving across this shallower section of reef, so there's a real chance of an encounter here without committing to the deeper, more demanding profile of the cave itself.

Because it sits only a few metres shallower than Foggy's Cave, no-decompression time is still limited, and this remains a dive for divers with genuine deep-diving comfort rather than a casual Open Water outing, but it offers a marginally more generous bottom time than the full cave dive for photographers wanting to work the reef and fish life at a slightly less rushed pace.

Boats depart Terrigal Haven and run to Foggy Reef, typically diving Foggy Fish as a slightly shallower option alongside Foggy's Cave on the same reef system.

Terrigal Haven and the boats launching from it are reasonably sheltered by The Skillion headland, but the reefs and wrecks further offshore are exposed to swell from the north-east through south-east; charters generally want under about 1.5 m swell and moderate winds. Visibility improves markedly when the East Australian Current pushes warm water down the coast, typically strongest from late summer into autumn, and drops after prolonged onshore wind or heavy rain feeds sediment out of the Terrigal Lagoon and nearby catchments. Winter brings cooler, sometimes clearer water and the best chance of grey nurse shark sightings at Foggy Reef.

Descend onto the shallower Foggy Fish section of the reef around 29-30 m and work the ledges and bommies for schooling fish and resting grey nurse sharks, before crossing toward the deeper cave section or ascending directly depending on remaining bottom time.

Pro Dive Central Coast (Terrigal Haven) and Central Coast Divers run regular boat charters to the Terrigal reef network; Terrigal Underwater Group club members dive the full spread of sites from private and club boats.