Typical Water Teams

Here are the best element combos with water I know of, roughly ordered by preference. In most cases variants exist.

5w is the most popular nowadays, and a good team for beginners who have chosen water.

5/5 Fusion skill: Murmur of the CragsFusion skill: Triple CycleTotem carrying those skills: waterFusion skill: Last FlashFusion skill: Pulse of the AncientsTotem carrying those skills: lightTeam member: Lumira and ApolloTeam member: HyperionTeam member: SolarisTeam member: Tidus and GeloTeam member: Nova
4/5 Fusion skill: The Depths WhisperFusion skill: Triple CycleTotem carrying those skills: waterFusion skill: Last FlashFusion skill: Primal ZealTotem carrying those skills: fireTeam member: HyperionTeam member: ArajiTeam member: Tidus and GeloTeam member: Asherona and PyroTeam member: Novacan beat many earth+light on auto (not with Lumira)
4/5 Fusion skill: Murmur of the CragsFusion skill: Triple CycleTotem carrying those skills: waterTeam member: HyperionTeam member: MairiTeam member: Tidus and GeloTeam member: NovaTeam member: Sigurdmost popular defense for the cow gate of ice
4/5 Fusion skill: Murmur of the CragsFusion skill: Triple CycleTotem carrying those skills: waterFusion skill: Last FlashFusion skill: Primal ZealTotem carrying those skills: earthTeam member: HyperionTeam member: EdenTeam member: Verdoc and PhytoTeam member: Tidus and GeloTeam member: Novaanother good defense, thanks to randomness
4/5 Fusion skill: Murmur of the CragsFusion skill: Primal ZealTotem carrying those skills: darkFusion skill: Ice AgeFusion skill: Triple CycleTotem carrying those skills: waterTeam member: TenebrisTeam member: HyperionTeam member: Tidus and GeloTeam member: MortTeam member: Brustar
3/5 Fusion skill: Murmur of the CragsFusion skill: Triple CycleTeam member: HyperionTeam member: ArajiTeam member: Tidus and GeloTeam member: NovaTeam member: Sigurd
3/5 Fusion skill: Last FlashFusion skill: Triple CycleTeam member: TenebrisTeam member: HyperionTeam member: MairiTeam member: Tidus and GeloTeam member: Nova
3/5 Fusion skill: Flame DanceFusion skill: Pulse of the AncientsTotem carrying those skills: lightFusion skill: Murmur of the CragsFusion skill: Triple CycleTotem carrying those skills: waterTeam member: HyperionTeam member: IyariTeam member: SolarisTeam member: Tidus and GeloTeam member: Rigel

Aside of 5W (five water), all of those teams are only viable if you have two good totems. If you only have a good water totem, stick to 5W.