Surf Forecasts:
How big are the waves at Ammonias today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 13ft (4.0m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 8ft (2.5m), 9s period with SSW swell.
- Evening surf: Evening surf (08 Sep, local time) - 5.5ft (1.7m), 11s period with ENE swell.
The current surf forecast for Ammonias at 1PM is: 3.0m 9s primary swell from a South-southwest direction and 1.7m 11s secondary swell from a East-northeast direction, 1.0m 15s secondary swell from a South-southwest direction (forecast issued at 07:00am September 08). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 13ft (4.0m) | 10s |
| Afternoon (08 Sep) | 8ft (2.5m) | 9s |
| Evening (08 Sep) | 5.5ft (1.7m) | 11s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Warm (max 27°C on Tue afternoon, min 24°C on Thu night). Winds decreasing (strong winds from the SSW on Tue morning, calm by Wed night). | |||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||||||
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 11 | SW 10 | SSW 9 | SSW 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 8214 | 2693 | 1720 | 1247 | 731 | 693 | 650 | 560 | 418 | 346 | 336 | 326 | 253 | 249 | 246 | 178 | 176 | 202 | 397 | 358 | 314 | 344 | 321 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-on | cross-on | on | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 2:20PM0.68m | 2:21AM0.36m | 2:54PM0.66m | 3:04AM0.41m | 3:24PM0.61m | ||||||||||||||||||
Low Tide | 7:02AM0.02m | 9:05PM0.11m | 7:55AM0.03m | 9:25PM0.09m | 8:43AM0.05m | 9:45PM0.07m | |||||||||||||||||
 |  | | |  |  | | | | | | | | | | | |  |  | | |  | | |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 21 | 24 | 24 | 27 | 28 | 28 | 29 | 28 | 28 | 30 | 30 | 29 | 29 | 30 | 30 | 28 | 28 | 29 | 29 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 1054 | 843 | 814 | 679 | 693 | 693 | 650 | 560 | 418 | 346 | 264 | 203 | 165 | 150 | 128 | 103 | 130 | 173 | 173 | 168 | 172 | 115 | 115 |
Swell 2 Height (m) Direction Period (s) | NW 12 | SE 8 | SSW 15 | SSW 15 | SSW 14 | S 8 | S 8 | S 8 | S 8 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | E 12 | E 12 | E 12 | E 12 | E 12 | SSW 17 |
| kJ | 6 | 419 | 494 | 468 | 449 | 393 | 257 | 182 | 120 | 346 | 336 | 326 | 253 | 249 | 246 | 178 | 176 | 113 | 106 | 106 | 104 | 104 | 184 |
Swell 3 Height (m) Direction Period (s) | — | SSW 16 | SW 20 | SW 20 | NW 9 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 8 | S 8 | S 8 | S 7 | E 13 | E 13 | E 13 | E 13 | SSW 16 | SSW 17 | SW 18 | SW 18 | SSW 18 | E 12 |
| kJ | — | 333 | 15 | 15 | 64 | 443 | 437 | 431 | 351 | 93 | 74 | 55 | 54 | 168 | 123 | 119 | 119 | 177 | 186 | 154 | 154 | 204 | 72 |
Wind waves Height (m) Direction Period (s) | SSW 11 | SW 10 | SSW 9 | SSW 9 | SSW 8 | W 7 | W 6 | — | — | — | — | — | — | — | — | — | ENE 3 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 8214 | 2693 | 1720 | 1247 | 731 | 69 | 47 | — | — | — | — | — | — | — | — | — | 2 | 202 | 397 | 358 | 314 | 344 | 321 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 324 | 32 | 34 | 23 | 11 | 11 | 0 | 11 | 11 | 11 | 11 | 32 | 32 | 0 | 10 | 10 | 10 | 12 | 14 | 31 | 31 | 16 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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