Surf Forecasts:
How big are the waves at Grandma's today (11 Oct):
- Morning surf: Morning surf (11 Oct, local time) - 2.5ft (0.7m), 18s period with S swell.
- Afternoon surf: Afternoon surf (11 Oct, local time) - 2ft (0.6m), 16s period with S swell.
- Evening surf: Evening surf (11 Oct, local time) - 2.5ft (0.7m), 16s period with S swell.
The current surf forecast for Grandma's at 5PM is: 0.7m 16s primary swell from a South direction and 0.6m 13s secondary swell from a South direction (forecast issued at 01:00pm October 11). The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 2.5ft (0.7m) | 18s |
| Afternoon (11 Oct) | 2ft (0.6m) | 16s |
| Evening (11 Oct) | 2.5ft (0.7m) | 16s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||||
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 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 151 | 190 | 254 | 254 | 251 | 322 | 236 | 157 | 155 | 150 | 209 | 209 | 153 | 138 | 128 | 181 | 176 | 171 | 169 | 164 | 160 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | off | off | cross-off | off | off | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | off |
High Tide | 4:13PM0.45m | 5:02AM0.74m | 4:47PM0.39m | 5:43AM0.74m | 5:24PM0.35m | ||||||||||||||||
Low Tide | 10:38AM0.15m | 9:52PM0.03m | 11:27AM0.17m | 10:21PM0.05m | 12:19PM0.19m | 10:55PM0.07m | |||||||||||||||
 | | |  | | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 29 | 29 | 27 | 26 | 27 | 26 | 26 | 27 | 29 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 31 | 30 | 30 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | NNW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 |
| kJ | 126 | 190 | 254 | 254 | 251 | 322 | 236 | 157 | 155 | 150 | 209 | 209 | 153 | 138 | 162 | 181 | 176 | 171 | 169 | 164 | 160 |
Swell 2 Height (m) Direction Period (s) | S 17 | S 13 | S 13 | S 13 | S 13 | SW 17 | SSW 9 | S 12 | SSW 12 | SW 17 | NNW 17 | NW 16 | NW 16 | NNW 16 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 151 | 126 | 125 | 125 | 81 | 47 | 16 | 25 | 48 | 71 | 119 | 130 | 129 | 171 | 128 | 126 | 89 | 123 | 123 | 121 | 119 |
Swell 3 Height (m) Direction Period (s) | W 12 | SW 18 | SW 18 | SW 18 | SW 18 | W 11 | SW 18 | SSW 9 | SW 17 | NNW 18 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 25 | 50 | 50 | 49 | 49 | 10 | 48 | 16 | 47 | 123 | 96 | 104 | 67 | 67 | 65 | 68 | 66 | 66 | 64 | 64 | 65 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | — | — | E 4 | E 12 | E 4 | E 3 | E 4 | E 4 | — | E 8 | E 8 | E 5 | E 5 | E 7 | E 7 | WSW 8 | E 7 | E 5 | E 5 |
| kJ | 28 | 28 | — | — | 9 | 175 | 7 | 4 | 4 | 4 | — | 117 | 193 | 33 | 35 | 163 | 158 | 6 | 152 | 80 | 62 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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