Surf Forecasts:
How big are the waves at Ammonias today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 3.5ft (1.1m), 13s period with S swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.0m), 13s period with S swell.
- Evening surf: Evening surf (31 Oct, local time) - 3.5ft (1.0m), 14s period with S swell.
The current surf forecast for Ammonias at 6PM is: 1.1m 13s primary swell from a South direction and 0.7m 6s secondary swell from a East direction (forecast issued at 01:00pm October 31). An open ocean swell of 1.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 3.5ft (1.1m) | 13s |
| Afternoon (31 Oct) | 3.5ft (1.0m) | 13s |
| Evening (31 Oct) | 3.5ft (1.0m) | 14s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Sat afternoon. Warm (max 25°C on Sat afternoon, min 23°C on Sun night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the NE by Sun night). | |||||||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | |||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 14 | S 12 | S 12 | S 16 | S 12 | S 13 | S 13 | S 13 | S 14 | S 14 | S 14 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 345 | 345 | 417 | 356 | 388 | 144 | 139 | 239 | 196 | 202 | 209 | 212 | 253 | 198 | 198 | 71 | 108 | 72 | 69 | 72 | 69 |
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 | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 8:36AM0.65m | 8:53PM0.18m | 9:44AM0.62m | 10:54PM0.23m | 10:44AM0.58m | ||||||||||||||||
Low Tide | 5:20PM0.15m | 1:16AM0.11m | 5:48PM0.13m | 2:57AM0.16m | 6:12PM0.10m | ||||||||||||||||
 | | |  | | |  | |  |  |  | |  |  | |  | | | | | | |
 | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | 2 | 4 | 4 | 3 | 2 | 1 | — | 3 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 |
Feels °C | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 24 | 23 | 23 | 23 | 21 | 21 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | NE 9 | S 13 | NE 9 | ENE 9 | NE 8 | NE 8 | NNW 18 | NW 18 | NW 17 | NW 16 | NW 16 | NW 16 | NNW 16 | NNW 15 | NNW 15 | NNW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 13 |
| kJ | 202 | 345 | 193 | 247 | 156 | 176 | 572 | 600 | 547 | 602 | 587 | 573 | 499 | 461 | 443 | 437 | 437 | 357 | 299 | 290 | 282 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 17 | S 13 | S 13 | S 14 | S 12 | NE 8 | S 12 | S 12 | S 13 | S 13 | S 13 | S 14 | S 14 | S 14 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 345 | 95 | 417 | 356 | 388 | 144 | 112 | 141 | 196 | 202 | 209 | 212 | 253 | 198 | 198 | 71 | 108 | 72 | 69 | 72 | 69 |
Swell 3 Height (m) Direction Period (s) | S 17 | E 12 | E 12 | NW 20 | NW 20 | NNW 20 | S 12 | S 16 | S 16 | E 12 | E 12 | E 12 | E 11 | SW 7 | E 11 | SSW 14 | E 11 | E 11 | E 11 | E 11 | WNW 13 |
| kJ | 137 | 47 | 46 | 138 | 412 | 353 | 139 | 239 | 124 | 44 | 43 | 24 | 22 | 2 | 21 | 41 | 21 | 21 | 21 | 9 | 17 |
Wind waves Height (m) Direction Period (s) | E 6 | NE 9 | E 6 | — | — | — | — | NE 8 | NE 5 | NE 5 | NE 6 | NE 6 | NE 6 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 41 | 249 | 29 | — | — | — | — | 154 | 87 | 117 | 157 | 258 | 316 | 640 | 799 | 734 | 724 | 742 | 694 | 675 | 661 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 12 | 12 | 12 | 10 | 0 | 10 | 14 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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