Surf Forecasts:
How big are the waves at Ammonias today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Oct, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Ammonias at 7AM is: 1.9m 8s primary swell from a East-northeast direction and 0.3m 12s secondary swell from a South direction, 0.4m 16s secondary swell from a Southwest direction (forecast issued at 01:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 6ft (1.9m) | 8s |
| Afternoon (21 Oct) | 6ft (1.8m) | 8s |
| Evening (21 Oct) | 5.5ft (1.7m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed morning. Warm (max 26°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 13 | E 13 | SSW 13 | SSW 14 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 462 | 419 | 419 | 408 | 368 | 310 | 296 | 322 | 256 | 256 | 226 | 186 | 186 | 161 | 161 | 161 | 161 | 142 | 142 | 55 | 55 | 98 | 143 | 259 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 00:54AM0.34m | 12:35PM0.52m | 1:29AM0.42m | 1:04PM0.50m | 2:03AM0.49m | 1:33PM0.46m | ||||||||||||||||||
Low Tide | 5:53AM0.19m | 7:12PM0.10m | 6:52AM0.18m | 7:28PM0.06m | 7:47AM0.17m | 7:48PM0.02m | ||||||||||||||||||
 | |  | |  | |  | | |  | | | | | | | | |  | | | |  | | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | — | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 |
Feels °C | 23 | 22 | 24 | 23 | 24 | 25 | 24 | 23 | 24 | 25 | 24 | 25 | 26 | 25 | 24 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 12 | S 12 | SW 15 | SW 15 | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SW 14 | SW 14 | SSW 14 | SSW 13 | SE 6 | SE 6 | SE 6 | SE 6 | E 13 | SSW 13 | SSW 14 | ENE 8 |
| kJ | 21 | 25 | 25 | 58 | 56 | 10 | 19 | 21 | 28 | 19 | 14 | 12 | 49 | 47 | 71 | 70 | 14 | 10 | 9 | 9 | 55 | 98 | 143 | 126 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | S 12 | S 12 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SE 6 | SE 6 | SE 6 | SE 6 | SW 13 | SW 13 | SW 13 | NE 13 | SE 6 | NE 12 | NE 12 | SSW 16 |
| kJ | 64 | 64 | 63 | 25 | 25 | 55 | 55 | 54 | 54 | 54 | 53 | 51 | 9 | 9 | 9 | 10 | 45 | 44 | 44 | 61 | 9 | 51 | 69 | 259 |
Swell 3 Height (m) Direction Period (s) | N 10 | N 10 | N 9 | N 9 | SE 9 | S 10 | S 10 | S 10 | S 12 | S 10 | S 10 | S 11 | NW 11 | S 11 | NW 12 | NW 12 | NW 12 | SSW 16 | E 14 | E 13 | SW 13 | E 13 | E 13 | NE 12 |
| kJ | 17 | 17 | 15 | 15 | 12 | 19 | 18 | 8 | 11 | 17 | 17 | 20 | 19 | 9 | 23 | 22 | 22 | 52 | 35 | 55 | 42 | 54 | 54 | 66 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 5 |
| kJ | 462 | 419 | 419 | 408 | 368 | 310 | 296 | 322 | 256 | 256 | 226 | 186 | 186 | 161 | 161 | 161 | 161 | 142 | 142 | 133 | 136 | 136 | 140 | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 31 | 33 | 31 | 16 | 31 | 33 | 31 | 15 | 16 | 31 | 31 | 31 | 16 | 16 | 10 | 10 | 12 | 12 | 12 | 10 | 14 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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