Surf Forecasts:
How big are the waves at Ammonias today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 5ft (1.5m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Evening surf: Evening surf (29 Sep, local time) - 4.5ft (1.3m), 8s period with ENE swell.
The current surf forecast for Ammonias at 8PM is: 1.4m 8s primary swell from a East-northeast direction and 1.0m 7s secondary swell from a South direction, 0.9m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm September 29). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 5ft (1.5m) | 11s |
| Afternoon (29 Sep) | 2.5ft (0.8m) | 16s |
| Evening (29 Sep) | 4.5ft (1.3m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 66mm), heaviest during Wed morning. Warm (max 27°C on Thu afternoon, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||||
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) | SW 10 | SSW 16 | SSW 16 | ENE 8 | WSW 11 | SSE 7 | SSE 7 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | E 8 | ENE 8 | SSE 13 | ENE 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 392 | 326 | 326 | 238 | 366 | 346 | 261 | 247 | 209 | 202 | 186 | 140 | 121 | 99 | 106 | 96 | 71 | 75 | 86 | 86 | 71 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | on | cross-on |
High Tide | 4:30PM0.32m | 6:37AM0.64m | 4:45PM0.27m | 7:45AM0.63m | |||||||||||||||||
Low Tide | 12:15PM0.21m | 10:54PM0.00m | 1:46PM0.24m | 11:31PM0.02m | |||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | 2 | 1 | 3 | 5 | 6 | 5 | 7 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 2 | 2 |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 27 | 26 | 27 | 27 | 25 | 25 | 26 | 25 | 25 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | WSW 10 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | S 6 | S 6 | ENE 8 | SSE 6 | SSE 5 | SSE 5 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 291 | 244 | 238 | 238 | 192 | 346 | 183 | 155 | 145 | 121 | 121 | 121 | 104 | 69 | 99 | 52 | 49 | 37 | 86 | 86 | 71 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | S 7 | WSW 11 | ENE 8 | WSW 10 | WSW 9 | W 8 | W 9 | W 9 | W 8 | E 8 | ENE 8 | W 8 | ENE 8 | ENE 7 | ENE 8 | SSE 5 | SSE 5 | WSW 7 |
| kJ | 392 | 296 | 185 | 85 | 366 | 187 | 250 | 138 | 92 | 96 | 97 | 68 | 121 | 99 | 60 | 96 | 71 | 75 | 36 | 28 | 47 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SW 9 | SSW 16 | SW 16 | SSW 15 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | W 8 | W 8 | SSE 13 | W 8 | W 7 | W 7 | WSW 7 | WSW 7 | SSE 5 |
| kJ | 229 | 326 | 326 | 141 | 318 | 248 | 199 | 196 | 191 | 194 | 186 | 140 | 65 | 64 | 106 | 57 | 40 | 39 | 43 | 43 | 24 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | S 6 | S 6 | S 6 | S 6 | SSE 6 | — | — | S 6 | — | — | — | SSE 5 | SSE 5 | — |
| kJ | 96 | 110 | 149 | 77 | 257 | 317 | 261 | 247 | 209 | 202 | 176 | 134 | — | — | 66 | — | — | — | 34 | 24 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 45 | 45 | 118 | 133 | 33 | 33 | 33 | 32 | 33 | 33 | 32 | 11 | 32 | 11 | 33 | 33 | 33 | 33 | 32 | 31 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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