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Number Fours surf Forecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Thursday 18 Apr 2024 HST
Forecast update in hr min s Update imminent
Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Fours sea temperature is 24.5°C (Statistics for 18 Apr 1981-2005 - mean: 24.5 °C max: 25.3 °C min: 23.5 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Fours sea temperature is 24.5°C (Statistics for 18 Apr 1981-2005 - mean: 24.5 °C max: 25.3 °C min: 23.5 °C)
How big are the waves at Number Fours today?
The current surf forecast for Number Fours at 7AM is: 0.7m 16s primary swell from a Southwest direction (forecast issued at 01:00am April 18). An open ocean swell of 1.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.7m) | 16s |
| Afternoon (18 Apr) | 2.5ft (0.8m) | 16s |
| Evening (18 Apr) | 2.5ft (0.7m) | 16s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |  |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 6 | 7 | 6 | 6 | 6 | 6 | 17 | 17 | 16 | 16 | 6 | 16 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 271 | 264 | 261 | 261 | 326 | 322 | 322 | 258 | 255 | 251 | 248 | 211 | 220 | 219 | 197 | 193 | 193 | 193 | 151 | 156 | 144 | 138 | 140 | 148 | 156 | 142 | 164 | 166 | 164 | 164 | 112 | 160 | 158 | 152 | 167 | 186 | 216 | 261 | 253 | 235 | 252 | 260 | 226 | 226 | 181 | 171 | 145 | 121 | 197 | 201 | 232 | 278 | 352 | 408 | 518 | 514 | 611 | 481 | 437 | 471 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:45AM 0.47 | 1:47PM 0.28 | 1:22AM 0.44 | 2:15PM 0.34 | 1:54AM 0.41 | 2:42PM 0.40 | 2:24AM 0.37 | 3:11PM 0.45 | 2:52AM 0.33 | 3:41PM 0.50 | 3:20AM 0.29 | 4:13PM 0.54 | 3:50AM 0.24 | 4:49PM 0.56 | 4:20AM 0.20 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 7:48AM -0.00 | 7:01PM 0.09 | 8:05AM -0.01 | 7:52PM 0.07 | 8:20AM -0.02 | 8:39PM 0.06 | 8:37AM -0.03 | 9:24PM 0.05 | 8:55AM -0.05 | 10:08PM 0.05 | 9:14AM -0.05 | 10:55PM 0.05 | 9:36AM -0.06 | 11:46PM 0.06 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 |
| Sunset | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 |
| Feels °C (?) | 22 | 23 | 23 | 23 | 23 | 22 | 20 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 19 | 18 | 19 | 20 | 21 | 21 | 20 | 21 | 22 | 22 | 22 | 21 | 22 | 21 | 23 | 22 | 21 | 20 | 20 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 15 | 16 | 18 | 18 | 17 | 15 | 16 | 16 | 17 | 18 |
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