Surf Forecasts:
How big are the waves at Ammonias today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 16ft (5.0m), 10s period with ENE 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) - 10ft (3.0m), 9s period with E swell.
The current surf forecast for Ammonias at 10AM is: 6.5m 11s primary swell from a East direction and 0.6m 13s secondary swell from a South direction, 0.6m 17s secondary swell from a South direction (forecast issued at 07:00am August 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 16ft (5.0m) | 10s |
| Afternoon (16 Aug) | 15ft (4.5m) | 10s |
| Evening (16 Aug) | 10ft (3.0m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Sun morning. 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 ESE by Sun night). | |||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||
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 11 | ESE 10 | ESE 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | S 14 | ENE 7 | S 14 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 13 | ENE 6 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3166 | 4704 | 10765 | 4800 | 2449 | 1610 | 1198 | 662 | 463 | 366 | 378 | 349 | 340 | 330 | 262 | 233 | 219 | 192 | 168 | 165 | 165 | 139 | 137 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 6:32AM0.43m | 5:50PM0.44m | 7:34AM0.46m | 6:01PM0.36m | 8:46AM0.48m | 5:31PM0.30m | |||||||||||||||||
Low Tide | 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 | 1 | 7 | 16 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 24 |
Feels °C | 22 | 20 | 20 | 24 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 26 | 25 | 26 | 25 | 24 | 24 | 24 | 25 | 27 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | SE 12 | S 13 | S 16 | S 13 | S 13 | S 13 | SSE 8 | ENE 8 | SSE 7 | SSE 7 | 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 | 173 | 1235 | 117 | 183 | 156 | 212 | 212 | 267 | 463 | 145 | 111 | 40 | 150 | 329 | 253 | 232 | 219 | 165 | 165 | 165 | 165 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 13 | S 17 | S 13 | S 16 | S 16 | S 16 | S 14 | SSE 7 | S 15 | S 14 | SE 7 | S 6 | S 6 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 8 | SE 8 |
| kJ | 98 | 117 | 206 | 85 | 181 | 183 | 181 | 229 | 160 | 267 | 338 | 46 | 27 | 26 | 12 | 10 | 39 | 35 | 48 | 47 | 46 | 33 | 31 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | S 18 | W 12 | W 12 | WNW 11 | WNW 11 | SE 12 | SSW 6 | S 14 | S 9 | SE 11 | S 12 | SSE 6 | SE 6 | SE 6 | SE 11 | SSW 6 | SW 17 | SW 17 | SW 18 | SW 18 | SW 18 | WNW 12 |
| kJ | 48 | 216 | 25 | 24 | 25 | 24 | 21 | 26 | 316 | 28 | 29 | 138 | 26 | 18 | 8 | 41 | 6 | 70 | 76 | 79 | 80 | 80 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 11 | ESE 10 | ESE 9 | E 9 | E 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 3166 | 4704 | 10765 | 4800 | 2449 | 1610 | 1198 | 662 | — | 366 | 378 | 349 | 340 | 330 | 262 | 233 | 212 | 192 | 168 | 141 | 144 | 139 | 137 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 38 | 406 | 406 | 334 | 133 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 38 | 16 | 126 | 16 | 16 | 33 | 31 | 31 | 31 | 31 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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