St. Marys rivermouth 28.8
#5389 of 5753 surf spots in the world · 🇺🇸 United States of America · Florida · near Jacksonville
Needs the right swell, wind is the enemy here, peaks in September.
Best time to surf St. Marys rivermouth
The best time to surf St. Marys rivermouth is March, September, October. It rarely works. In September the water sits around 28°C, so pack boardshorts, and the typical wave is 0.6 m. The nearest airport is JAX (34 km) and the nearest town is Jacksonville (47 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 48% | 0% | 0.6 m | 16°C | 4/3 |
| Feb | 46% | 0% | 0.6 m | 13°C | 4/3 |
| Mar | 50% | 1% | 0.6 m | 17°C | 3/2 |
| Apr | 45% | 0% | 0.6 m | 21°C | 2mm |
| May | 43% | 0% | 0.6 m | 25°C | boardies |
| Jun | 21% | 0% | 0.5 m | 27°C | boardies |
| Jul | 6% | 0% | 0.5 m | 28°C | boardies |
| Aug | 14% | 0% | 0.4 m | 29°C | boardies |
| Sep | 49% | 3% | 0.6 m | 28°C | boardies |
| Oct | 52% | 1% | 0.6 m | 25°C | vest |
| Nov | 62% | 1% | 0.7 m | 21°C | 2mm |
| Dec | 43% | 1% | 0.6 m | 18°C | 3/2 |
Why 28.8
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
The detail
Faces 57° with 47% open water around it. Friendly morning wind 75% of days. Mean peak period 7.0 s. Days over 3 m: 0%. Mellow days (0.4 to 1.2 m): 72%. Months that work: 3 of 12. Coordinates 30.700, -81.429 (OpenStreetMap).
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