Chesapeake Bay
Beginner-friendly
Best conditions around July 27
Sheltered estuary cruising; thunderstorm-aware in summer.
Best time to sail
The best time to sail in the United States is May to June, with peak conditions in May and June.
That verdict comes from 1991–2020 climate normals — wind, rain, sunshine, and air temperature — scored week by week for charter conditions across 5 sailing areas.
Mean weekly values across our sailing areas in the United States. The sail score weighs wind, rain, sun, and temperature — and discounts tropical-storm season where one applies.
| Month | Sail score | Wind (kn) | Rain (mm/day) | Sun (h/day) | Temp (°C) |
|---|---|---|---|---|---|
| January | Fair | 8 | 2.9 | 12 | 6 |
| February | Fair | 8 | 2.6 | 12 | 7 |
| March | Fair | 9 | 3.1 | 12 | 10 |
| April | Fair | 8 | 2.5 | 12 | 13 |
| May * | Excellent | 7 | 2 | 12 | 17 |
| June * | Good | 7 | 2.6 | 12 | 20 |
| July * | Fair | 6 | 1.9 | 12 | 22 |
| August * | Fair | 6 | 2.1 | 12 | 22 |
| September * | Poor | 7 | 2.7 | 12 | 20 |
| October * | Fair | 7 | 2.8 | 12 | 16 |
| November * | Fair | 8 | 3.4 | 12 | 11 |
| December | Fair | 8 | 3.3 | 12 | 8 |
Months marked * fall inside the tropical-storm season.
Parts of the United States sit inside a tropical-cyclone basin. Monthly climate averages smooth over rare but severe storms, so the sail score discounts the weeks from May to November. Check cancellation terms, insurance, and your operator's storm policy before booking inside this window.
Every area below is scored individually in the interactive calendar; where we have an in-depth guide, it's linked.
Beginner-friendly
Best conditions around July 27
Sheltered estuary cruising; thunderstorm-aware in summer.
Intermediate
Best conditions around August 10
Shallow, sheltered, year-round; beware hurricane season.
Advanced
Best conditions around July 13
Pine-clad islands and lobster pots; short, fog-prone season.
Intermediate
Best conditions around August 3
Forested coves, orcas, long summer days.
Advanced
Best conditions around August 3
Big-breeze sailing under the Golden Gate.
May to June offers the most reliable conditions, with May and June scoring best for wind, rain, sunshine, and temperature in the 1991–2020 climate normals.
From May to November. Climate averages hide rare but severe storms, so treat this window with care: check cancellation terms and weather routing before booking.
Around 17 °C air temperature on average in May, with about 12 hours of sun a day.