Surf Forecasts:
How big are the waves at Grandma's today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 1.5ft (0.4m), 12s period with S swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 1ft (0.3m), 18s period with SSW swell.
- Evening surf: Evening surf (23 Jun, local time) - 1.5ft (0.4m), 19s period with SSW swell.
The current surf forecast for Grandma's at 10AM is: 0.3m 18s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South direction, 0.3m 15s secondary swell from a South-southwest direction (forecast issued at 07:00am June 23). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 1.5ft (0.4m) | 12s |
| Afternoon (23 Jun) | 1ft (0.3m) | 18s |
| Evening (23 Jun) | 1.5ft (0.4m) | 19s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Tue afternoon. Warm (max 28°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | S 12 | SSW 18 | SSW 18 | SSW 15 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 85 | 43 | 61 | 61 | 72 | 124 | 124 | 125 | 123 | 240 | 240 | 318 | 318 | 318 | 229 | 201 | 201 | 266 | 263 | 198 | 191 | 125 | 109 | 107 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | glassy | glassy | cross-off | glassy | off | off | off | off | off | off | off | off | off | off | off | glassy | cross-off | cross-off | off | off | off |
High Tide | 12:17PM0.59m | 11:17PM0.34m | 1:04PM0.65m | 00:15AM0.30m | 1:47PM0.70m | 1:10AM0.27m | ||||||||||||||||||
Low Tide | 4:42AM-0.01m | 6:40PM0.24m | 5:19AM-0.02m | 8:02PM0.21m | 5:58AM-0.02m | 9:00PM0.18m | ||||||||||||||||||
 |  |  |  | |  | |  | | | |  | | | | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | 5:47 |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | 7:09 |
mm | — | — | — | 1 | 2 | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 24 | 25 | 27 | 28 | 27 | 26 | 25 | 24 |
Feels °C | 26 | 27 | 30 | 30 | 31 | 29 | 28 | 27 | 25 | 26 | 29 | 28 | 27 | 25 | 24 | 24 | 25 | 27 | 29 | 29 | 28 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | S 12 | S 12 | S 11 | SSW 15 | N 9 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 14 |
| kJ | 85 | 43 | 42 | 22 | 72 | 25 | 124 | 125 | 123 | 240 | 240 | 318 | 318 | 318 | 229 | 201 | 201 | 266 | 263 | 198 | 191 | 125 | 109 | 107 |
Swell 2 Height (m) Direction Period (s) | S 12 | SSW 15 | S 15 | SSW 15 | S 11 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SE 6 | SE 6 | SE 6 | ESE 6 | SE 7 | SE 6 | NNE 8 | ESE 6 | ESE 7 | SE 6 | SE 6 | NNE 7 | NNE 7 | ESE 7 | NNE 8 |
| kJ | 44 | 43 | 38 | 42 | 22 | 76 | 82 | 85 | 84 | 9 | 11 | 9 | 17 | 11 | 11 | 11 | 16 | 17 | 9 | 9 | 10 | 11 | 17 | 13 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | N 8 | SSW 18 | SSW 18 | SSW 21 | SSW 19 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 6 | N 8 | N 8 | S 10 | SE 6 | N 7 | NNE 7 | N 7 | NNE 7 | ESE 6 | S 9 | NNE 8 | SSW 18 |
| kJ | 21 | 10 | 61 | 61 | 42 | 124 | 12 | 12 | 12 | 12 | 12 | 3 | 10 | 10 | 7 | 10 | 9 | 11 | 10 | 11 | 4 | 2 | 11 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | E 6 | E 7 | N 7 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | NNE 8 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | SE 6 | E 6 | SE 6 |
| kJ | — | — | 38 | 55 | 9 | 54 | 61 | 80 | 124 | 170 | 148 | 236 | 211 | 194 | 12 | 154 | 188 | 300 | 228 | 206 | 282 | 11 | 233 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 12 | 4 | 4 | 4 | 4 | 13 | 12 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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