Surf Forecasts:
How big are the waves at Ammonias today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 18ft (5.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 15ft (4.5m), 10s period with ESE swell.
- Evening surf: Evening surf (16 Aug, local time) - 8ft (2.4m), 9s period with ENE swell.
The current surf forecast for Ammonias at 7AM is: 5.0m 10s primary swell from a East direction and 0.7m 13s secondary swell from a South direction, 0.5m 18s secondary swell from a South direction (forecast issued at 01:00am August 16). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 18ft (5.5m) | 10s |
| Afternoon (16 Aug) | 15ft (4.5m) | 10s |
| Evening (16 Aug) | 8ft (2.4m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 65mm), heaviest during Sun afternoon. Warm (max 26°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (near gales from the E on Sun morning, light winds from the E by Sun night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 10 | E 11 | ESE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | S 14 | S 14 | S 14 | ENE 7 | ENE 6 | S 13 | S 13 | S 13 | ENE 6 | ENE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2644 | 3474 | 6323 | 7695 | 3874 | 1353 | 949 | 755 | 554 | 463 | 366 | 408 | 387 | 340 | 329 | 320 | 233 | 219 | 182 | 170 | 165 | 165 | 155 | 139 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:32AM0.43m | 5:50PM0.44m | 7:34AM0.46m | 6:01PM0.36m | 8:46AM0.48m | 5:31PM0.30m | ||||||||||||||||||
Low Tide | 00:00AM0.06m | 12:01PM0.20m | 00:26AM0.06m | 1:11PM0.26m | 00:55AM0.06m | 3:13PM0.30m | ||||||||||||||||||
 |  |  |  | | | | | | |  | | | |  | |  | | | | |  | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 2 | 2 | 6 | 22 | 23 | 5 | 3 | 2 | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 24 |
Feels °C | 23 | 22 | 21 | 21 | 23 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 27 | 27 | 25 | 26 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 14 | S 13 | S 17 | S 16 | SSE 9 | SE 8 | SE 8 | ENE 8 | ENE 8 | SE 7 | S 14 | SSW 6 | S 12 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 225 | 239 | 114 | 204 | 252 | 909 | 372 | 211 | 554 | 463 | 104 | 334 | 56 | 150 | 329 | 320 | 232 | 219 | 165 | 165 | 165 | 165 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | S 13 | S 12 | S 16 | S 8 | S 7 | SSE 7 | SE 7 | SSW 7 | SE 7 | SE 7 | S 6 | SSE 6 | S 6 | SSW 6 | SE 10 | SE 11 | SE 10 | SE 10 | SE 10 | SE 8 | SE 8 |
| kJ | 98 | 98 | 216 | 117 | 110 | 181 | 135 | 94 | 218 | 136 | 77 | 65 | 44 | 29 | 26 | 18 | 12 | 39 | 40 | 46 | 47 | 47 | 35 | 18 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | S 13 | S 13 | S 13 | S 14 | SSW 6 | S 15 | SSW 7 | S 12 | SE 7 | S 6 | SSE 6 | SE 5 | SSW 6 | SW 17 | SW 17 | SW 7 | SW 18 | SW 18 | SW 18 |
| kJ | 49 | 48 | 28 | 25 | 24 | 115 | 212 | 215 | 229 | 66 | 267 | 62 | 138 | 36 | 20 | 15 | 7 | 11 | 70 | 76 | 17 | 80 | 80 | 80 |
Wind waves Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 10 | E 11 | ESE 10 | ENE 9 | ENE 9 | ENE 8 | SE 8 | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 2644 | 3474 | 6323 | 7695 | 3874 | 1353 | 949 | 755 | 143 | — | 366 | 408 | 387 | 340 | 319 | 262 | 233 | 204 | 182 | 170 | 149 | 126 | 155 | 139 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 38 | 330 | 329 | 231 | 133 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 38 | 38 | 33 | 16 | 16 | 33 | 31 | 31 | 31 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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