Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Boston Bay surfForecast / Jamaica / Jamaica
48hr Weather and Surf, issued 6 am Monday 15 Dec 2025 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
28.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Boston Bay today?
The current surf forecast for Boston Bay at 2PM is: 1.0m 8s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a Northeast direction (forecast issued at 06:00am December 15). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 3.5ft (1.1m) | 8s |
| Afternoon (15 Dec) | 3.5ft (1.0m) | 8s |
| Evening (15 Dec) | 3ft (0.9m) | 8s |
Table - waves today at Boston Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 169 | 165 | 128 | 128 | 128 | 128 | 103 | 94 | 119 | 137 | 76 | 76 | 76 | 76 | 75 | 58 | 75 | 73 | 54 | 52 | 51 | 48 | 47 | 46 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | glass | glass | cross- on | on | cross- on | cross- on | on | on | on | glass |
High Tide / height (m) | 6:45AM 0.32 | 5:39PM 0.19 | 7:18AM 0.33 | 6:18PM 0.17 | 7:51AM 0.33 | 6:56PM 0.16 | ||||||||||||||||||
Low Tide / height (m) | 1:29PM 0.14 | 11:49PM 0.04 | 2:11PM 0.13 | 12:20AM 0.03 | 2:48PM 0.11 | 12:53AM 0.02 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - |
 |  | | | | |  |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | - | - | - | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 25 | 25 | 27 | 28 | 27 | 26 | 25 | 26 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 25 | 24 |
| Feels °C (?) | 28 | 28 | 29 | 31 | 30 | 30 | 28 | 28 | 27 | 27 | 29 | 29 | 28 | 28 | 29 | 29 | 27 | 28 | 27 | 29 | 29 | 29 | 29 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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