Surf Forecasts:
How big are the waves at Grandma's today (27 Jun):
- Morning surf: Morning surf (27 Jun, local time) - 1.5ft (0.4m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Jun, local time) - 1.5ft (0.5m), 20s period with SSW swell.
- Evening surf: Evening surf (27 Jun, local time) - 1.5ft (0.4m), 19s period with SSW swell.
The current surf forecast for Grandma's at 2PM is: 0.5m 20s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 07:00am June 27). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jun) | 1.5ft (0.4m) | 13s |
| Afternoon (27 Jun) | 1.5ft (0.5m) | 20s |
| Evening (27 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 3mm), mostly falling on Mon afternoon. Warm (max 27°C on Sat morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tue 30 | |||||||||||||||||||||
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 13 | SSW 13 | SSW 20 | SSW 20 | SSW 20 | 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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 57 | 57 | 128 | 216 | 149 | 125 | 186 | 246 | 246 | 178 | 178 | 164 | 203 | 269 | 295 | 229 | 201 | 181 | 172 | 169 | 172 | 172 | 169 | 165 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | off | cross-off | glassy | off | glassy | glassy | glassy | cross-off | off | off | off |
High Tide | 2:02AM0.26m | 3:06PM0.77m | 2:50AM0.25m | 3:43PM0.78m | 3:34AM0.25m | 4:20PM0.79m | ||||||||||||||||||
Low Tide | 7:19AM-0.03m | 10:20PM0.12m | 8:00AM-0.03m | 10:53PM0.10m | 8:40AM-0.02m | 11:26PM0.09m | ||||||||||||||||||
 |  |  | | | | | | | | | | |  | | | | | |  | |  | | | |
 | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | 5:48 |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | 7:10 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — |
Temp °C | 24 | 26 | 27 | 27 | 27 | 25 | 24 | 23 | 23 | 25 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 26 | 27 | 27 | 25 | 25 | 24 |
Feels °C | 25 | 27 | 29 | 27 | 27 | 25 | 24 | 23 | 25 | 26 | 28 | 29 | 28 | 28 | 27 | 27 | 26 | 28 | 29 | 31 | 30 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 20 | SSW 20 | 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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 57 | 57 | 56 | 216 | 149 | 125 | 186 | 246 | 246 | 178 | 178 | 164 | 203 | 269 | 295 | 229 | 201 | 181 | 172 | 169 | 172 | 172 | 169 | 165 |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 5 | SSW 20 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 11 | SSW 11 | NNE 5 | NNE 6 | SSE 11 | SSE 10 | S 10 | S 10 | ESE 7 | ESE 7 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 4 | 5 | 128 | 55 | 50 | 47 | 28 | 28 | 45 | 43 | 40 | 25 | 5 | 13 | 64 | 35 | 18 | 18 | 15 | 15 | 38 | 31 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | NNE 8 | SSW 16 | SE 6 | SE 6 | NNE 8 | SE 5 | SE 5 | ESE 5 | ESE 8 | ESE 8 | NE 6 | NNE 6 | SSW 11 | SE 5 | S 13 | E 8 | ESE 6 | SE 6 | S 10 | S 10 | N 9 | N 10 | NNE 7 | NNE 6 |
| kJ | 11 | 25 | 8 | 8 | 6 | 7 | 4 | 6 | 7 | 7 | 7 | 8 | 23 | 7 | 3 | 29 | 7 | 8 | 18 | 18 | 6 | 7 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | E 8 | E 6 | E 6 | E 6 | SE 5 | E 6 | E 8 | E 5 | E 5 | E 5 | E 5 | SSE 4 | SE 5 | E 5 | E 8 | E 5 | E 6 | E 6 | E 6 | E 7 | E 8 | E 8 | E 8 | E 8 |
| kJ | 198 | 121 | 164 | 137 | 4 | 121 | 219 | 94 | 90 | 74 | 39 | 4 | 9 | 129 | 198 | 115 | 92 | 143 | 175 | 178 | 234 | 149 | 198 | 169 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 4 | 4 | 12 | 4 | 12 | 4 | 4 | 4 | 4 | 12 | 13 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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