Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Jam's Right surfForecast / Mainland / Tanzania
48hr Weather and Surf, issued 2 am Thursday 18 Dec 2025 EATForecast update in hr min s Forecast update imminent
Jam's Right surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jam's Right sea temperature is
29.3° C
(Which is slightly warmer than usual)How big are the waves at Jam's Right today?
The current surf forecast for Jam's Right at 7AM is: 0.6m 8s primary swell from a East direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 02:00am December 18). The wind direction is predicted to be offshore.
| Time (EAT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 1.5ft (0.5m) | 7s |
| Afternoon (18 Dec) | 1.5ft (0.5m) | 7s |
| Evening (18 Dec) | 2ft (0.6m) | 7s |
Table - waves today at Jam's Right. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 6 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 60 | 42 | 41 | 28 | 27 | 26 | 72 | 35 | 35 | 25 | 14 | 15 | 15 | 21 | 34 | 13 | 26 | 25 | 40 | 39 | 40 | 41 | 116 | 41 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | off | cross- off | cross- on | on | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | on | cross- on | cross- on | cross- on | on | glass | glass | on | on | cross- on | on |
High Tide / height (m) | 3:01AM 2.99 | 3:33PM 2.49 | 3:37AM 3.10 | 4:07PM 2.58 | 4:11AM 3.18 | 4:40PM 2.64 | ||||||||||||||||||
Low Tide / height (m) | 9:26AM 0.54 | 9:12PM 0.71 | 10:00AM 0.42 | 9:48PM 0.62 | 10:32AM 0.33 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - |
 | | |  |  | | | | | |  |  |  | | | |  | | | | | | |  | |
Rain (mm) | 4 | 11 | 2 | - | - | - | - | 2 | 2 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 27 | 25 | 26 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 28 | 29 | 30 | 28 | 28 |
| Feels °C (?) | 28 | 32 | 29 | 30 | 32 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 31 | 31 | 30 | 30 | 31 | 31 | 33 | 32 | 31 | 30 | 31 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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