The verdict

Best places to dive with Napoleon wrasses

Cheilinus undulatus

The most reliable place to dive with Napoleon wrasses is Cairns, from All year.

Illustration of a Napoleon wrasse
How many of the top 10 destinations are at their peak for Napoleon wrasses each month
JanFebMarAprMayJunJulAugSepOctNovDec
January: 1 of 10 at peakFebruary: 0 of 10 at peakMarch: 1 of 10 at peakApril: 0 of 10 at peakMay: 1 of 10 at peakJune: 0 of 10 at peakJuly: 3 of 10 at peakAugust: 1 of 10 at peakSeptember: 1 of 10 at peakOctober: 1 of 10 at peakNovember: 0 of 10 at peakDecember: 2 of 10 at peak
Most sites at peak Some at peak Possible only

Based on 2,121 OBIS records of Napoleon wrasse (Cheilinus undulatus) within 60 km of 41 dive destinations.

Top destinations to dive with Napoleon wrasses

41 on record

Ranked on how reliably they turn up, then on how long the record runs.

Destinations to dive with Napoleon wrasses, most reliable first
#DestinationCountry / areaSeasonReliabilityEvidenceDive type
1CairnsAustraliaAll yearNear-guaranteed31 of 32 yearsLiveaboard, Day boat
2Misool, Raja AmpatIndonesiaAll yearNear-guaranteed14 of 18 yearsLiveaboard
3Ribbon ReefsAustraliaJul–Aug, Oct, DecNear-guaranteed24 of 32 yearsLiveaboard
4PalauMicronesiaAll yearNear-guaranteed19 of 27 yearsLiveaboard, Day boat
5Strait of Gubal / ThistlegormRed SeaAll yearNear-guaranteed19 of 27 yearsLiveaboard, Day boat
6Sharm el-Sheikh / Ras MohammedRed SeaAll yearNear-guaranteed19 of 28 yearsDay boat
7Dampier Strait, Raja AmpatIndonesiaAll yearNear-guaranteed13 of 19 yearsLiveaboard, Day boat
8HurghadaRed SeaAll yearNear-guaranteed16 of 26 yearsfew recordsDay boat, Liveaboard
9Fakarava, French PolynesiaFr. PolynesiaJan, Mar, Jul, SepNear-guaranteed12 of 18 yearsLiveaboard, Day boat
10YapMicronesiaMay, Jul, DecNear-guaranteed6 of 9 yearsDay boat

Also on record at Tubbataha, Komodo North, Komodo South, Rangiroa, French Polynesia, SS Yongala, Daedalus Reef, Lembeh Strait, Marsa Alam, Bunaken, Abu Dabbab, Dahab, Moorea / Tahiti, French Polynesia, Brothers Islands, Tulamben / Amed, Nusa Penida, Chuuk (Truk) Lagoon, Banda Sea, Gili Islands, Solomon Islands, Mabul / Kapalai, Sipadan, Wayag / North, Raja Ampat, Baa / Hanifaru, Maldives, El Quseir, Zabargad & Rocky Island, North & Central Atolls, Maldives, Safaga, St John's / Fury Shoals, Wakatobi, Milne Bay, Papua New Guinea and Lombok.

When to dive with Napoleon wrasses

Hover a month to isolate it
Peak and possible months for Napoleon wrasses at each destination
JanFebMarAprMayJunJulAugSepOctNovDec
CairnsJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
Misool, Raja AmpatJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: No survey dataJul: PossibleAug: No survey dataSep: PossibleOct: PossibleNov: PossibleDec: Possible
Ribbon ReefsJan: PossibleFeb: Not commonMar: Not commonApr: Not commonMay: PossibleJun: Not commonJul: Peak seasonAug: Peak seasonSep: PossibleOct: Peak seasonNov: PossibleDec: Peak season
PalauJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
Strait of Gubal / ThistlegormJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
Sharm el-Sheikh / Ras MohammedJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
Dampier Strait, Raja AmpatJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
HurghadaJan: PossibleFeb: PossibleMar: PossibleApr: PossibleMay: PossibleJun: PossibleJul: PossibleAug: PossibleSep: PossibleOct: PossibleNov: PossibleDec: Possible
Fakarava, French PolynesiaJan: Peak seasonFeb: No survey dataMar: Peak seasonApr: Not commonMay: Not commonJun: PossibleJul: Peak seasonAug: PossibleSep: Peak seasonOct: PossibleNov: PossibleDec: Possible
YapJan: PossibleFeb: PossibleMar: No survey dataApr: PossibleMay: Peak seasonJun: Not commonJul: Peak seasonAug: PossibleSep: Not commonOct: Not commonNov: No survey dataDec: Peak season
Peak season Possible Not common No survey data

Napoleon wrasse month by month

January
The one peak month at Fakarava, French Polynesia.
February
Off-peak everywhere. Your best chance is Cairns.
March
The one peak month at Fakarava, French Polynesia.
April
Off-peak everywhere. Your best chance is Cairns.
May
The one peak month at Yap.
June
Off-peak everywhere. Your best chance is Cairns.
July
Season starts at Ribbon Reefs. Also good at Fakarava, French Polynesia and Yap.
August
Last peak month at Ribbon Reefs.
September
The one peak month at Fakarava, French Polynesia.
October
The one peak month at Ribbon Reefs.
November
Off-peak everywhere. Your best chance is Cairns.
December
The one peak month at Ribbon Reefs. Also good at Yap.

What to expect in the water

Water temperature and the suit to pack at the top sites, in the months Napoleon wrasses are there.

Water temperature and wetsuit at the top sites for Napoleon wrasses in season
DestinationSeasonWaterSuit
CairnsAll year2530 °C3 mm full suit
Misool, Raja AmpatAll year2830 °C3 mm full suit
Ribbon ReefsJul–Aug, Oct, Dec2529 °C3 mm full suit
PalauAll year2930 °CSkin or 3 mm shorty
Strait of Gubal / ThistlegormAll year2229 °C5 mm full suit

What else you'll see with Napoleon wrasses

Animals at their peak in the same places and months.

Diving with Napoleon wrasses: common questions

Where is the best place to dive with Napoleon wrasses?
The most reliable place to dive with Napoleon wrasses is Cairns, from All year.
When is the best time to dive with Napoleon wrasses?
July, when 3 of the 10 best-evidenced destinations are at their peak. It varies by place: Cairns peaks All year; Misool, Raja Ampat peaks All year; Ribbon Reefs peaks July to August, October, December.
What wetsuit do you need to dive with Napoleon wrasses?
At Cairns from All year, the water is 25 °C to 30 °C, so bring a 3 mm full suit.
How many places can you dive with Napoleon wrasses?
besttimetodive.com has Napoleon wrasses on record at 41 of the destinations it scores. Not an exhaustive list — these are the sites we hold verified data for.