Tide 1-2 feet variation, waves get big, from east to west swell. Reef brake and sharp corals. Very nice surf. Surf in winter runs from 3 feet to triple overhead. Sea urchins along most of the shore line. Locals can be a hazard - respect the locals.
Shoreline is flat shelf. Small sandy beach. Launch from point and stay leeward of exposed reef rock. Land same area or downwind sandy spots. Good to walk the bay to get a feel for rocky/sandy sections of beach.
Warm and sunny weather year round. Tropical marine, mild. Little seasonal temperature variation. Water temp 79°F, air 85°F. No wetsuit needed. The northeast is typically humid with frequent showers.
Best wind December to September, trade winds, wind 12-25 knots. Blows East to West. Wind is about 50% even in season. Very fluky on the inside due to wind shadow. The windy season starts from December and tapers off in mid-April. Winds are somewhat inconsistent in the 10-25 knots range, blowing sideoffshore to sideonshore. The North Atlantic high generates the trade winds that blow during late spring and summer at a steady 12-18 knots.
From San Juan drive westwards to Isabela. From Isabela further west to Jobos. Drive about 5 minutes further West and ask for Shacks. About 2hrs drive from San Juan.