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This is a fairly easy route, if you want to dodge the trainers then surf round them.

[edit] Pokémon Found

Morning	Day	Night

[edit] Trainers

• Fisher Barney
  • Gyarados (lvl. 30, 1375 EXP)
  • Gyarados (lvl. 30, 1375 EXP)
  • Gyarados (lvl. 30, 1375 EXP) and 1200

[edit] Items

• Nugget - Surf left, use cut on bush while surfing
• Calcium - in area above nugget, needs cut
• Super Rod - From Man in house, say yes