Surf Forecasts:
How big are the waves at Ammonias today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 8ft (2.5m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 7.5ft (2.3m), 8s period with ENE swell.
- Evening surf: Evening surf (28 Sep, local time) - 5ft (1.6m), 12s period with SSW swell.
The current surf forecast for Ammonias at 10AM is: 2.5m 9s primary swell from a East-northeast direction and 0.9m 13s secondary swell from a South-southwest direction, 0.9m 10s secondary swell from a South direction (forecast issued at 07:00am September 28). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 8ft (2.5m) | 9s |
| Afternoon (28 Sep) | 7.5ft (2.3m) | 8s |
| Evening (28 Sep) | 5ft (1.6m) | 12s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 25°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||
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) | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | SSW 12 | SSW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1064 | 981 | 888 | 755 | 678 | 669 | 625 | 536 | 424 | 370 | 330 | 280 | 261 | 321 | 431 | 458 | 397 | 377 | 332 | 360 | 295 | 214 | 167 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:52AM0.61m | 4:07PM0.38m | 5:40AM0.63m | 4:30PM0.32m | 6:37AM0.64m | 4:45PM0.27m | |||||||||||||||||
Low Tide | 11:09AM0.18m | 10:22PM-0.00m | 12:15PM0.21m | 10:54PM0.00m | 1:46PM0.24m | ||||||||||||||||||
 |  |  | | |  |  | | |  | | |  |  | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 3 | 6 | 6 | 4 | 5 | 4 | 3 | 3 | 3 |
Temp °C | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 27 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SSE 10 | SSW 13 | S 11 | SSW 12 | SSW 12 | SSW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | WSW 10 | E 8 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 100 | 173 | 289 | 502 | 598 | 669 | 625 | 536 | 424 | 370 | 330 | 280 | 238 | 206 | 192 | 187 | 258 | 149 | 194 | 189 | 194 | 194 | 246 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSE 9 | S 10 | SE 9 | SE 8 | SE 8 | SSE 8 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SW 9 | SW 9 | WSW 10 | WSW 10 | WSW 10 | ENE 8 | WSW 9 | E 8 | E 8 | E 8 | E 8 | ENE 8 |
| kJ | 217 | 101 | 154 | 91 | 162 | 119 | 101 | 396 | 331 | 253 | 172 | 123 | 141 | 216 | 250 | 274 | 187 | 211 | 149 | 124 | 124 | 124 | 99 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSW 13 | SE 8 | SSE 10 | SSW 17 | SSW 17 | SW 17 | SSE 7 | SSE 7 | SSE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 15 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | E 13 |
| kJ | 108 | 184 | 53 | 68 | 264 | 267 | 309 | 96 | 93 | 81 | 261 | 261 | 261 | 258 | 322 | 248 | 229 | 196 | 191 | 194 | 188 | 140 | 127 |
Wind waves Height (m) Direction Period (s) | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 |
| kJ | 1064 | 981 | 888 | 755 | 678 | 660 | 589 | — | — | 127 | 117 | 153 | 251 | 321 | 431 | 458 | 397 | 377 | 332 | 360 | 295 | 214 | 167 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 303 | 300 | 126 | 126 | 118 | 126 | 122 | 132 | 126 | 118 | 118 | 118 | 45 | 45 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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