Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
St Joe s Island surfForecast / Texas / USA
48hr Weather and Surf, issued 11 pm Tuesday 16 Dec 2025 CSTForecast update in hr min s Forecast update imminent
St Joe s Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Joe s Island sea temperature is
18.2° C
(Which is 2.9°C colder than average for this time of year)How big are the waves at St Joe s Island today?
The current surf forecast for St Joe s Island at 3AM is: 0.7m 5s primary swell from a South-southeast direction and 0.6m 5s secondary swell from a East direction, 0.1m 8s secondary swell from a Southeast direction (forecast issued at 11:00pm December 16). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.0m) | 5s |
| Afternoon (17 Dec) | 3.5ft (1.1m) | 6s |
| Evening (17 Dec) | 5ft (1.6m) | 6s |
Table - waves today at St Joe s Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 8 | 7 | 4 | 5 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 38 | 44 | 24 | 53 | 55 | 33 | 77 | 110 | 171 | 271 | 248 | 175 | 109 | 51 | 47 | 30 | 29 | 40 | 35 | 72 | 105 | 105 | 113 | 98 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- on | on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:48PM 0.44 | 4:39PM 0.45 | 5:30PM 0.45 | |||||||||||||||||||||
Low Tide / height (m) | 6:35AM -0.08 | 7:12AM -0.10 | 7:50AM -0.12 | 5:58PM 0.45 | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:36 | - |
 | |  | |  | | | |  |  | |  |  | | | | | | | | | | | | |
Rain (mm) | 2 | 3 | 4 | 5 | 5 | 2 | 6 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 24 | 24 | 24 | 18 | 17 | 16 | 16 | 17 | 17 | 18 |
| Feels °C (?) | 20 | 21 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 20 | 20 | 21 | 22 | 24 | 24 | 25 | 11 | 8 | 8 | 9 | 11 | 12 | 15 |
- Map Icons:
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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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