Surf Forecasts:
How big are the waves at Grandma's today (29 Jun):
- Morning surf: Morning surf (29 Jun, local time) - 2ft (0.6m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (29 Jun, local time) - 2ft (0.6m), 15s period with SSW swell.
- Evening surf: Evening surf (29 Jun, local time) - 2ft (0.6m), 15s period with SSW swell.
The current surf forecast for Grandma's at 5AM is: 0.6m 16s primary swell from a South-southwest direction (forecast issued at 01:00am June 29). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Jun) | 2ft (0.6m) | 15s |
| Afternoon (29 Jun) | 2ft (0.6m) | 15s |
| Evening (29 Jun) | 2ft (0.6m) | 15s |
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 4mm), mostly falling on Mon afternoon. Warm (max 28°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 1 | ||||||||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SSW 13 | S 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 14 | SSW 14 | SW 15 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 229 | 201 | 181 | 172 | 169 | 169 | 172 | 169 | 165 | 154 | 105 | 104 | 92 | 102 | 90 | 86 | 84 | 85 | 102 | 113 | 118 | 54 | 116 | 111 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | glassy | off | off | off | off | off | off | glassy | cross-off | off | off | off | cross-off | off | off | glassy | cross-off | off | off | off |
High Tide | 3:34AM0.25m | 4:20PM0.79m | 4:18AM0.25m | 4:55PM0.78m | 5:02AM0.26m | 5:29PM0.77m | ||||||||||||||||||
Low Tide | 8:40AM-0.02m | 11:26PM0.09m | 9:19AM-0.01m | 11:58PM0.08m | 9:59AM0.01m | |||||||||||||||||||
 |  |  |  |  | |  | | | | | | |  | | | | | | | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 28 | 29 | 28 | 31 | 30 | 29 | 26 | 26 | 25 | 25 | 26 | 31 | 31 | 28 | 28 | 27 | 27 | 28 | 29 | 30 | 30 | 28 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SSW 13 | S 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 14 | SSW 14 | SW 15 | SSW 14 | SSW 14 |
| kJ | 229 | 201 | 181 | 172 | 169 | 169 | 172 | 169 | 165 | 154 | 105 | 104 | 92 | 102 | 90 | 86 | 84 | 85 | 102 | 113 | 118 | 54 | 116 | 111 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SE 6 | S 10 | SSE 10 | E 6 | SSE 10 | SE 6 | SE 5 | SE 5 | S 10 | SSE 10 | SSE 10 | NNE 6 | SSE 10 | NNE 6 | NNE 6 | SW 15 | SW 15 | NNE 8 | NNE 8 | NNE 8 | SSW 13 | NNE 8 | SE 5 |
| kJ | 42 | 9 | 18 | 39 | 12 | 38 | 8 | 5 | 4 | 16 | 18 | 18 | 7 | 9 | 11 | 7 | 56 | 55 | 12 | 13 | 13 | 33 | 11 | 4 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 10 | SE 6 | N 9 | S 10 | N 6 | S 10 | S 10 | S 10 | ESE 5 | NNE 6 | NNE 6 | SSE 10 | SSW 15 | SW 15 | SW 15 | NNE 8 | NNE 8 | SE 5 | SE 5 | SSE 6 | NNE 8 | SE 6 | SSW 21 |
| kJ | 3 | 18 | 9 | 7 | 18 | 3 | 17 | 17 | 17 | 2 | 7 | 7 | 18 | 21 | 56 | 56 | 12 | 12 | 4 | 4 | 3 | 12 | 5 | 44 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 8 | E 8 | E 6 | E 6 | E 6 | NNE 6 | E 8 | E 8 | E 4 | NNE 6 | E 5 | E 5 | E 6 | E 5 | E 5 | E 6 | E 6 | E 6 | E 8 | NNE 7 |
| kJ | 108 | 245 | 175 | 132 | 283 | 282 | 158 | 80 | 60 | 6 | 138 | 137 | 23 | 7 | 77 | 149 | 105 | 83 | 83 | 72 | 152 | 112 | 252 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 4 | 12 | 4 | 4 | 13 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 12 | 12 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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