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Ammonias Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Ammonias surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Monday 04 May 2026 HSTForecast update in hr min s Forecast update imminent
Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ammonias sea temperature is
24.3° C
(Which is normal for this time of year)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 1PM is: 1.2m 7s primary swell from a East-northeast direction and 0.5m 13s secondary swell from a South direction (forecast issued at 07:00am May 04). An open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 4.5ft (1.3m) | 7s |
| Afternoon (04 May) | 3.5ft (1.1m) | 8s |
| Evening (04 May) | 3.5ft (1.0m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Tue afternoon, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | |
222 | 199 | 172 | 140 | 143 | 123 | 123 | 96 | 96 | 94 | 70 | 68 | 66 | 52 | 51 | 36 | 35 | 102 | 102 | 100 | 87 | 86 | 201 | 146 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-off | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:00AM0.16m | 5:59PM0.57m | 4:19AM0.14m | 6:45PM0.54m | 4:25AM0.13m | 7:37PM0.52m | ||||||||||||||||||
Low Tide | 10:01AM-0.04m | 1:46AM0.13m | 10:34AM-0.01m | 3:20AM0.13m | 11:11AM0.02m | |||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | 6:01 |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 22 | 22 |
21 | 22 | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 26 | 26 | 25 | 27 | 27 | 26 | 25 | 24 | 26 | 26 | 26 | 25 | 24 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | ENE 8 | ENE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 9 | SSW 16 | SSW 16 |
 kJ | 148 | 100 | 90 | 132 | 122 | 92 | 90 | 89 | 96 | 94 | 70 | 68 | 66 | 52 | 51 | 36 | 35 | 34 | 24 | 24 | 24 | 41 | 201 | 146 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 13 | S 13 | S 13 | S 13 | S 13 | SE 10 | NW 12 | NW 12 | NW 11 | NW 11 | SE 10 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | SE 9 | SE 9 | SE 9 | SSW 16 | SE 9 | SE 9 |
| kJ | 19 | 42 | 60 | 89 | 89 | 89 | 87 | 50 | 87 | 66 | 61 | 59 | 45 | 41 | 41 | 40 | 37 | 35 | 41 | 41 | 41 | 86 | 41 | 41 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SE 10 | NW 10 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 13 | SSW 13 | SE 10 | SE 10 | SE 10 | NW 11 | N 6 | SE 7 | SE 6 | SE 6 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | NW 10 | E 7 | E 7 |
| kJ | 96 | 17 | 24 | 18 | 18 | 41 | 40 | 56 | 55 | 48 | 48 | 47 | 42 | 12 | 11 | 10 | 10 | 102 | 102 | 100 | 87 | 24 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | NE 8 | NE 3 |
| kJ | 222 | 199 | 172 | 140 | 143 | 123 | 123 | 96 | — | — | — | — | — | — | — | — | — | — | — | — | — | 26 | 24 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 12 | 12 | 0 | 32 | 11 | 0 | 0 | 0 | 10 | 10 | 0 | 31 | 31 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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