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Surf Forecasts:
Navy Island surfForecast / Jamaica / Jamaica
48hr Weather and Surf, issued 6 am Monday 18 May 2026 ESTForecast update in hr min s Forecast update imminent
Navy Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Navy Island sea temperature is
28.6° C
(Which is slightly warmer than usual)How big are the waves at Navy Island today?
The current surf forecast for Navy Island at 2PM is: 0.9m 8s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Northeast direction, 0.1m 10s secondary swell from a Northeast direction (forecast issued at 06:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3ft (0.9m) | 8s |
| Afternoon (18 May) | 3ft (0.9m) | 8s |
| Evening (18 May) | 3ft (0.9m) | 8s |
Table - waves today at Navy Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 29°C on Mon morning, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
113 | 116 | 112 | 144 | 125 | 125 | 101 | 280 | 101 | 99 | 212 | 96 | 232 | 113 | 264 | 116 | 116 | 94 | 212 | 119 | 116 | 113 | 113 | 232 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | |
High Tide | 9:48AM0.17m | 11:12PM0.38m | 10:55AM0.16m | 00:12AM0.37m | 12:18PM0.16m | |||||||||||||||||||
Low Tide | 5:18AM0.09m | 3:42PM-0.00m | 6:26AM0.09m | 4:39PM0.03m | 7:34AM0.09m | 5:46PM0.06m | ||||||||||||||||||
 |  | | | | | | | | | |  | | | |  | | | | | | | | | |
 | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | 5:30 |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 29 | 29 | 29 | 26 | 26 | 26 | 26 | 27 | 29 | 29 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 29 | 29 | 26 | 26 | 26 |
28 | 29 | 30 | 29 | 30 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 29 | 30 | 28 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | NE 10 | NE 10 | NE 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 6 | NE 7 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 113 | 116 | 4 | 4 | 13 | 125 | 101 | 101 | 101 | 99 | 99 | 15 | 116 | 113 | 113 | 116 | 116 | 94 | 96 | 32 | 44 | 113 | 113 | 92 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 10 | E 10 | NE 5 | NE 5 | NE 5 | NE 7 | NE 7 | NE 6 | E 10 | NE 6 | NE 6 | NE 8 | ENE 8 | ENE 8 | NE 7 | NE 7 | — | NE 6 | NE 7 | ENE 7 | NE 7 |
| kJ | 15 | 8 | 8 | 4 | 2 | 13 | 13 | 14 | 12 | 11 | 10 | 2 | 30 | 33 | 45 | 37 | 37 | 27 | 26 | — | 34 | 36 | 31 | 25 |
Swell 3 Height (m) Direction Period (s) | E 11 | NE 11 | NE 11 | — | NE 10 | E 10 | — | — | — | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 5 | 4 | — | 4 | 2 | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 8 | E 8 | ESE 8 | — | — | ESE 9 | — | — | ESE 8 | ESE 8 | ESE 8 | — | ESE 8 | — | — | — | ESE 8 | ESE 8 | ESE 8 | — | — | ESE 8 |
| kJ | — | — | 112 | 144 | 125 | — | — | 280 | — | — | 212 | 96 | 232 | — | 264 | — | — | — | 212 | 119 | 116 | — | — | 232 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 413 | 972 | 1008 | 1008 | 970 | 677 | 20 | 20 | 413 | 978 | 978 | 506 | 506 | 20 | 20 | 20 | 97 | 690 | 970 | 822 | 970 | 20 | 20 |
Best forecast wave conditions in Jamaica | ||||||||||||||||||||||||
Best forecast wave conditions in Jamaica | ||||||||||||||||||||||||
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