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Surf Forecasts:
Navy Island surfForecast / Jamaica / Jamaica
48hr Weather and Surf, issued 12 am Thursday 21 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 4AM is: 1.4m 8s primary swell from a East-southeast direction and 1.0m 8s secondary swell from a East-southeast direction, 0.5m 8s secondary swell from a Northeast direction (forecast issued at 12:00am May 21). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.0m) | 8s |
| Afternoon (21 May) | 4ft (1.2m) | 8s |
| Evening (21 May) | 5ft (1.5m) | 8s |
Table - waves today at Navy Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 29°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
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 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
257 | 264 | 270 | 144 | 167 | 197 | 298 | 323 | 306 | 144 | 284 | 122 | 122 | 144 | 119 | 237 | 237 | 237 | 109 | 192 | 94 | 116 | 94 | 96 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 1:13AM0.35m | 1:55PM0.18m | 2:13AM0.33m | 3:27PM0.21m | 3:10AM0.31m | 4:38PM0.25m | ||||||||||||||||||
Low Tide | 8:36AM0.09m | 7:05PM0.10m | 9:28AM0.08m | 8:32PM0.13m | 10:11AM0.08m | 9:56PM0.15m | ||||||||||||||||||
 |  |  | |  | | | | |  |  | | | | | | | | | | | | | | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — |
— | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 27 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 29 | 29 | 29 | 27 | 26 | 26 | 26 | 27 | 29 | 29 | 29 | 27 | 26 |
27 | 27 | 28 | 28 | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 29 | 28 | 30 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | NE 8 | ENE 8 | NE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 8 | NE 7 | NE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 7 | NE 7 | ESE 8 | ESE 8 |
 kJ | 110 | 137 | 116 | 15 | 24 | 32 | 167 | 140 | 140 | 144 | 122 | 14 | 14 | 14 | 119 | 116 | 94 | 116 | 109 | 94 | 14 | 14 | 94 | 96 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | NE 8 | ENE 8 | — | — | — | NE 8 | ENE 8 | NE 8 | ENE 8 | NE 8 | — | — | — | ENE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | — | NE 7 | NE 8 | NE 8 |
| kJ | 45 | 31 | 24 | — | — | — | 51 | 43 | 31 | 24 | 15 | — | — | — | 26 | 32 | 30 | 28 | 14 | 14 | — | 27 | 28 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | 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 | — | ESE 8 | ESE 8 | ESE 8 | — | — |
| kJ | 257 | 264 | 270 | 144 | 167 | 197 | 298 | 323 | 306 | — | 284 | 122 | 122 | 144 | — | 237 | 237 | 237 | — | 192 | 94 | 116 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 20 | 20 | 20 | 20 | 854 | 1109 | 976 | 970 | 20 | 20 | 20 | 413 | 802 | 822 | 818 | 818 | 20 | 20 | 105 | 413 | 812 | 1164 | 822 |
Best forecast wave conditions in Jamaica | ||||||||||||||||||||||||
Best forecast wave conditions in Jamaica | ||||||||||||||||||||||||
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