Remember, lots of big fish have been hauled aboard in lousy weather. The ideal camera for your tackle box or boat should be water resistant, or water proof, and lave a rubberized no slip grip. There, a professional can help recommend something suited to your needs. Olympus Super Zoom 2800, Canon Sureshot A1, and the Minolta Weathermatic dual 35. While we are on the subject of equipment, no discussion on photography would be complete without mentioning film.
Slide film is great, but it is very unforgiving as far as contrast and exposure goes.
Recent innovations in technology have resulted in medium speed films with great colour and fine grain. The higher the number the faster the film. Likewise, ISO 400 film needs only half the light of ISO 200. Experiment to determine which film best suits your needs. A quality film in ISO 200 is a good place to start.