Surf Forecasts:
How big are the waves at Ammonias today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 2.5ft (0.8m), 14s period with S swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 2ft (0.6m), 19s period with S swell.
- Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.5m), 19s period with S swell.
The current surf forecast for Ammonias at 5AM is: 0.8m 14s primary swell from a South direction and 0.4m 11s secondary swell from a Southeast direction, 0.8m 5s secondary swell from a East direction (forecast issued at 01:00am June 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Jun) | 2ft (0.6m) | 19s |
| Evening (21 Jun) | 1.5ft (0.5m) | 19s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Warm (max 26°C on Sun morning, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 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) | S 15 | S 14 | S 14 | S 20 | S 20 | S 19 | S 19 | S 13 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | ENE 10 | S 16 | S 16 | S 16 | ENE 10 | ENE 5 | ENE 6 | ENE 6 | S 19 | S 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 106 | 264 | 253 | 186 | 268 | 184 | 183 | 165 | 301 | 301 | 221 | 152 | 135 | 183 | 291 | 186 | 132 | 132 | 275 | 86 | 84 | 90 | 186 | 365 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 10:39AM0.33m | 8:59PM0.40m | 11:49AM0.41m | 9:35PM0.32m | 12:41PM0.48m | 10:14PM0.26m | ||||||||||||||||||
Low Tide | 3:41AM0.03m | 2:58PM0.24m | 4:13AM0.02m | 5:17PM0.27m | 4:44AM0.00m | 7:53PM0.25m | ||||||||||||||||||
 |  |  | | | | | | | | | | |  | | | | |  | | | |  | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 24 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 25 | 24 | 24 |
Feels °C | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 26 | 25 | 23 | 24 | 24 | 23 | 24 | 24 | 26 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 18 | S 12 | S 12 | NE 11 | NE 11 | S 16 | NE 10 | S 16 | NE 10 | SE 7 | N 8 | NE 10 | NE 9 | N 9 | S 19 |
| kJ | 100 | 264 | 253 | 173 | 170 | 167 | 167 | 165 | 162 | 301 | 105 | 102 | 94 | 90 | 186 | 84 | 132 | 61 | 25 | 28 | 57 | 54 | 56 | 365 |
Swell 2 Height (m) Direction Period (s) | S 15 | SE 11 | SE 11 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 13 | NE 11 | S 18 | S 12 | S 16 | S 12 | S 16 | S 12 | S 16 | N 7 | SE 8 | N 8 | N 8 | S 19 | N 9 |
| kJ | 106 | 29 | 29 | 186 | 268 | 184 | 183 | 157 | 301 | 114 | 96 | 152 | 100 | 183 | 69 | 186 | 69 | 132 | 27 | 20 | 49 | 49 | 186 | 55 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SW 18 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 12 | NE 11 | S 18 | ESE 7 | S 17 | S 12 | SE 14 | S 12 | SE 14 | S 12 | SSW 17 | S 11 | SE 13 | SSW 15 | SE 13 | SE 13 |
| kJ | 30 | 79 | 18 | 24 | 23 | 30 | 29 | 29 | 84 | 97 | 221 | 29 | 135 | 69 | 72 | 68 | 66 | 68 | 93 | 39 | 62 | 73 | 61 | 61 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 5 | E 5 | ENE 5 | ENE 4 | E 4 | E 5 | E 5 | E 5 | NE 11 | ENE 4 | ENE 4 | ENE 10 | E 6 | ENE 5 | E 5 | ENE 10 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 32 | 29 | 22 | 22 | 16 | 22 | 21 | 20 | 29 | 28 | 21 | 142 | 13 | 24 | 291 | 72 | 88 | 69 | 275 | 86 | 84 | 90 | 108 | 172 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 15 | 16 | 31 | 15 | 15 | 16 | 16 | 16 | 10 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 16 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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