Surf Forecasts:
How big are the waves at Ammonias today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 4.5ft (1.4m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (29 Sep, local time) - 5.5ft (1.7m), 7s period with SSE swell.
The current surf forecast for Ammonias at 8AM is: 1.5m 11s primary swell from a South-southwest direction and 1.6m 8s secondary swell from a East-northeast direction, 0.9m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am September 29). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 4.5ft (1.4m) | 11s |
| Afternoon (29 Sep) | 2.5ft (0.7m) | 16s |
| Evening (29 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 62mm), heaviest during Tue night. Warm (max 27°C on Thu afternoon, min 25°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||||||
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) | SSW 10 | ENE 8 | SSW 11 | SW 10 | ENE 8 | SSW 16 | SSE 7 | SSW 16 | WSW 10 | S 7 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | E 13 | SSE 13 | SSE 13 | E 14 | E 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 451 | 380 | 573 | 392 | 296 | 326 | 258 | 322 | 320 | 294 | 243 | 202 | 206 | 186 | 140 | 127 | 109 | 106 | 144 | 350 | 99 | 96 | 94 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on |
High Tide | 5:40AM0.63m | 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 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | 1 | 2 | 3 | 3 | 5 | 5 | 3 | 4 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 2 | 2 | 1 |
Temp °C | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 |
Feels °C | 26 | 27 | 27 | 27 | 26 | 26 | 27 | 25 | 25 | 26 | 25 | 25 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 29 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | E 8 | E 8 | W 10 | W 10 | W 9 | W 9 | E 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 439 | 380 | 338 | 291 | 280 | 238 | 238 | 197 | 320 | 294 | 273 | 277 | 192 | 127 | 124 | 188 | 177 | 162 | 125 | 350 | 99 | 96 | 94 | 96 |
Swell 2 Height (m) Direction Period (s) | SSW 10 | SW 12 | SSW 11 | SW 10 | SW 10 | SW 10 | WSW 9 | WSW 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | W 9 | W 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | W 8 | W 8 | W 8 | W 8 | W 9 |
| kJ | 451 | 353 | 573 | 392 | 296 | 185 | 154 | 286 | 192 | 159 | 155 | 130 | 127 | 140 | 132 | 99 | 99 | 99 | 79 | 88 | 63 | 45 | 43 | 78 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSW 10 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 15 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | E 13 | SSE 13 | SSE 13 | E 14 | SSE 12 | SSE 12 | SE 12 | SE 12 | SW 5 |
| kJ | 98 | 201 | 177 | 229 | 261 | 326 | 258 | 322 | 248 | 229 | 196 | 191 | 194 | 186 | 140 | 127 | 109 | 106 | 144 | 101 | 99 | 72 | 71 | 14 |
Wind waves Height (m) Direction Period (s) | — | SE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 5 | S 5 | S 5 | SSE 5 |
| kJ | — | 132 | 81 | 107 | 149 | 206 | 233 | 285 | 308 | 284 | 243 | 202 | 206 | 182 | 134 | 104 | 83 | 83 | 67 | 65 | 59 | 59 | 56 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 118 | 45 | 45 | 45 | 38 | 33 | 33 | 33 | 33 | 32 | 33 | 33 | 33 | 33 | 32 | 11 | 11 | 33 | 33 | 33 | 33 | 33 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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