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) - 7ft (2.2m), 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 9PM is: 1.6m 12s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a Southeast direction, 1.9m 8s secondary swell from a East-northeast direction (forecast issued at 01:00pm 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) | 7ft (2.2m) | 8s |
| Evening (28 Sep) | 5ft (1.6m) | 12s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 74mm), heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||
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 9 | ENE 8 | ENE 8 | SSW 12 | SSW 12 | ENE 8 | ENE 8 | SSW 11 | ENE 8 | ENE 8 | SSW 16 | SSE 7 | SSE 7 | WSW 12 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 791 | 694 | 621 | 669 | 625 | 486 | 439 | 546 | 330 | 280 | 326 | 392 | 458 | 743 | 377 | 371 | 332 | 332 | 307 | 240 | 195 |
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 | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 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 | ||||||||||||||||
 |  |  |  |  | | | | |  | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | 3 | 3 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 4 | 4 | 4 |
Temp °C | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 26 | 26 | 27 | 25 | 26 | 26 | 26 | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 11 | ENE 8 | SSW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | WSW 11 | WSW 12 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 |
| kJ | 273 | 502 | 621 | 669 | 536 | 486 | 439 | 370 | 330 | 280 | 238 | 229 | 397 | 743 | 707 | 489 | 392 | 282 | 223 | 266 | 249 |
Swell 2 Height (m) Direction Period (s) | S 10 | SE 10 | SSW 12 | SE 8 | SSW 12 | SSW 10 | SW 12 | SSW 11 | SW 10 | SW 10 | SW 10 | SW 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 154 | 184 | 598 | 119 | 625 | 451 | 353 | 546 | 310 | 226 | 226 | 160 | 192 | 187 | 159 | 155 | 124 | 124 | 101 | 101 | 104 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SSW 17 | SE 8 | SW 17 | SSE 8 | SSE 7 | SSW 10 | SSE 7 | SSE 7 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SSW 15 | E 14 | E 14 | E 14 | SSW 14 | E 13 |
| kJ | 69 | 202 | 166 | 309 | 101 | 96 | 201 | 73 | 105 | 261 | 326 | 223 | 318 | 248 | 229 | 196 | 191 | 194 | 188 | 140 | 127 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 8 | — | ENE 8 | — | — | — | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 |
| kJ | 791 | 694 | — | 498 | — | — | — | 113 | 180 | 158 | 240 | 392 | 458 | 485 | 377 | 371 | 332 | 332 | 307 | 240 | 195 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 118 | 126 | 122 | 118 | 126 | 45 | 118 | 118 | 45 | 133 | 125 | 33 | 33 | 33 | 33 | 32 | 33 | 32 | 32 | 32 | 32 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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