You should plan your travel with the tides where possible. Smaller tides do make travel possible anytime. Paddlers can cover 10 miles a day on average. Many factors can affect this range. Physical conditioning, the type of trip, weather, and tides and currents.
Water is usually available from many streams that run from mountainsides.
In planning your trip the vessel regulation map shows areas where the Park Service has restricted boats and visitors due to wildlife. Hypothermia means lowered body temperature. It can happen not only from cold water immersion but from cooling due to exposure to rain and wind. Proper clothing is essential. If you are planning an open water crossing it is recommended that you wear a dry suit.