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Surf Forecasts:
Boston Bay surfForecast / Jamaica / Jamaica
48hr Weather and Surf, issued 12 pm Friday 20 Mar 2026 ESTForecast update in hr min s Forecast update imminent
Boston Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boston Bay sea temperature is
27.2° C
(Which is normal for this time of year)How big are the waves at Boston Bay today?
The current surf forecast for Boston Bay at 9PM is: 0.5m 8s primary swell from a East-southeast direction and 0.2m 9s secondary swell from a East-northeast direction (forecast issued at 12:00pm March 20). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | 2.5ft (0.8m) | 8s |
| Afternoon (20 Mar) | 2.5ft (0.7m) | 8s |
| Evening (20 Mar) | 1.5ft (0.5m) | 8s |
Table - waves today at Boston Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 4 | 5 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 71 | 54 | 52 | 51 | 32 | 32 | 32 | 36 | 93 | 154 | 93 | 67 | 71 | 156 | 216 | 190 | 190 | 196 | 196 | 162 | 162 | 186 | 162 | 157 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | cross- off | off | cross- off | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 9:31AM 0.28 | 10:32PM 0.35 | 10:07AM 0.24 | 11:27PM 0.34 | 10:48AM 0.21 | 12:33AM 0.33 | ||||||||||||||||||
Low Tide / height (m) | 3:44PM 0.04 | 4:56AM 0.12 | 4:21PM 0.03 | 6:08AM 0.13 | 5:06PM 0.04 | |||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - |
 |  | |  | |  |  |  |  | | | | | | |  | | | | | | |  | | |
Rain (mm) | - | 2 | 2 | 2 | 1 | - | 1 | 1 | 1 | 1 | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | 1 | - |
| Temp. °C | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 29 | 28 | 28 | 27 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 22 | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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