Surf Forecasts:
Grindavik Antenas surf forecast from 12 Aug 2026:
- Best quality surf: Thursday 13 Aug, 3AM (local time) - 5.5ft (1.7m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 6AM (local time) - 5.5ft (1.7m), 10s period, S swell with 518 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 3AM (local time) - 5.5ft (1.7m), 9s period with S swell.
Best Forecast Surf Conditions for Grindavik Antenas this week:
The surf forecast for Grindavik Antenas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 3AM. The primary swell is predicted to be 1.7m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grindavik Antenas in the next 16 days are 1.7m 10s and forecast to arrive on Thursday (Aug 13) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Monday (Aug 17) at 6PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 13th Aug) | 5.5ft (1.7m) 9s |
| Best Surf | 3AM (Thu 13th Aug) | 5.5ft (1.7m) 9s |
| Most Powerful | 6AM (Thu 13th Aug) | 5.5ft (1.7m) 10s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 13°C on Wed afternoon, min 9°C on Thu night). Winds increasing (light winds from the NE on Wed night, fresh winds from the N by Fri morning). | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 14°C on Sun afternoon, min 10°C on Sat night). Winds increasing (light winds from the SE on Sun morning, near gales from the E by Mon night). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSW 9 | S 8 | SW 5 | WSW 8 | WSW 8 | SW 9 | SW 9 | SSW 8 | S 8 | S 13 | S 8 | SSW 8 | SSW 8 | SSW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 539 | 497 | 508 | 241 | 181 | 45 | 15 | 10 | 8 | 13 | 24 | 99 | 129 | 117 | 216 | 13 | 99 | 113 | 111 | 116 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | off | off | cross-off | cross-off | off | off | off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off |
High Tide | 6:03PM3.42m | 6:25AM3.07m | 6:46PM3.52m | 7:06AM3.16m | 7:25PM3.50m | 7:44AM3.18m | 8:03PM3.39m | 8:22AM3.13m | 8:39PM3.19m | 8:59AM3.01m | 9:15PM2.94m | 9:36AM2.85m | 9:51PM2.66m | |||||||
Low Tide | 00:20AM0.04m | 12:27PM-0.03m | 1:01AM-0.06m | 1:08PM-0.10m | 1:39AM-0.08m | 1:48PM-0.06m | 2:15AM0.00m | 2:27PM0.08m | 2:49AM0.16m | 3:05PM0.29m | 3:24AM0.37m | 3:44PM0.56m | ||||||||
 |  |  | |  | |  |  | | | | | | |  |  | | | |  | |
 | — | — | 5:15 | — | — | 5:18 | — | — | 5:20 | — | — | 5:24 | — | — | 5:26 | — | — | 5:30 | — | — |
 | — | 9:54 | — | — | 9:52 | — | — | 9:47 | — | — | 9:45 | — | — | 9:42 | — | — | 9:37 | — | — | 9:35 |
mm | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 2 | 1 | — |
Temp °C | 13 | 13 | 13 | 12 | 12 | 9 | 12 | 11 | 11 | 11 | 10 | 12 | 14 | 12 | 13 | 13 | 13 | 12 | 13 | 13 |
Feels °C | 11 | 11 | 12 | 10 | 8 | 1 | 5 | 6 | 7 | 8 | 6 | 10 | 9 | 8 | 4 | 4 | 2 | 6 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 7 | SE 6 | SW 5 | WSW 8 | WSW 8 | SW 9 | SW 9 | SSW 8 | S 8 | S 13 | S 8 | SSW 8 | SSW 8 | SE 8 |
| kJ | 539 | 497 | 508 | 241 | 181 | 45 | 31 | 10 | 7 | 13 | 24 | 99 | 129 | 117 | 216 | 13 | 99 | 113 | 111 | 380 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | N 3 | NW 8 | SE 8 | NW 10 | S 9 | SSW 9 | S 8 | S 7 | SSW 7 | NW 5 | WNW 5 | SSW 10 | — | S 12 | S 19 | SSW 10 | S 17 | S 19 | SSW 9 |
| kJ | 78 | 1 | 2 | 107 | 24 | 39 | 15 | 10 | 4 | 9 | 7 | 2 | 10 | — | 12 | 7 | 21 | 23 | 7 | 116 |
Swell 3 Height (m) Direction Period (s) | S 15 | ENE 6 | — | NNW 8 | — | S 12 | S 11 | S 11 | SSW 9 | SE 6 | S 7 | S 13 | SW 10 | S 12 | S 20 | S 20 | S 16 | S 14 | — | S 12 |
| kJ | 4 | 18 | — | 7 | — | 3 | 3 | 2 | 8 | 1 | 4 | 14 | 4 | 3 | 7 | 7 | 5 | 4 | — | 12 |
Wind waves Height (m) Direction Period (s) | E 7 | — | — | — | NNW 6 | NNW 5 | NNW 5 | NW 4 | NW 4 | WNW 4 | — | — | SE 2 | SE 4 | ESE 5 | SE 8 | ESE 8 | ESE 7 | ESE 8 | ESE 8 |
| kJ | 192 | — | — | — | 32 | 64 | 45 | 9 | 2 | 1 | — | — | 1 | 29 | 78 | 616 | 557 | 401 | 897 | 619 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 0 | 0 | 0 | 1183 | 1710 | 349 | 349 | 1672 | 1036 | 3 | 30 | 785 | 3 | 1097 | 1109 | 1042 | 1034 |
Best forecast wave conditions in Reykjanes Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Iceland | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Grindavik Antenas Surf forecast
The above surf forecast table for Grindavik Antenas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Grindavik Antenas can be found by selecting the local surf guide option on the grey menu. Our Grindavik Antenas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Grindavik Antenas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Grindavik Antenas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Grindavik Antenas is 2 km (1 miles) from Grindavik. If you plan a holiday in Reykjanes Peninsula, look for hotels and other accommodation in Grindavik. Grindavik has rooms for a wide range of budgets as well as car hire and transport links.
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