Surf Forecasts:
Grindavik Antenas surf forecast from 21 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 9AM (local time) - 16ft (5.0m), 14s period, SSW swell with cross-shore winds.
- Most powerful swell: Thursday 24 Sep, 6PM (local time) - 21ft (6.5m), 15s period, S swell with 16,405 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 9AM (local time) - 16ft (5.0m), 14s period with SSW 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 Tuesday (Sep 22) at 9AM. The primary swell is predicted to be 5.0m and 14s period with a secondary swell of 4.0m and 14s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Grindavik Antenas in the next 16 days are 6.5m 15s and forecast to arrive on Thursday (Sep 24) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.5m 12s period and expected on Thursday (Sep 24) at 3PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Tue 22nd Sep) | 16ft (5.0m) 14s |
| Best Surf | 9AM (Tue 22nd Sep) | 16ft (5.0m) 14s |
| Most Powerful | 6PM (Thu 24th Sep) | 21ft (6.5m) 15s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastHeavy rain (total 31mm), heaviest during Wed night. Very mild (max 11°C on Mon afternoon, min 8°C on Tue morning). Mainly gales. | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Thu afternoon. Very mild (max 10°C on Thu afternoon, min 5°C on Sat night). Mainly strong winds. | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||
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 8 | S 11 | SSW 14 | SW 13 | SW 11 | SW 11 | SW 11 | WSW 11 | SSW 10 | WSW 10 | S 15 | S 12 | SSW 11 | WSW 8 | S 10 | SSW 9 | SSW 9 | SW 10 | SSW 9 | SW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1548 | 4408 | 9900 | 14571 | 3888 | 3339 | 3201 | 1369 | 876 | 175 | 10035 | 2151 | 1823 | 512 | 349 | 348 | 121 | 167 | 133 | 117 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 3:23AM2.14m | 3:46PM2.51m | 4:09AM2.37m | 4:25PM2.73m | 4:44AM2.62m | 4:58PM2.93m | 5:16AM2.85m | 5:30PM3.10m | 5:47AM3.05m | 6:01PM3.23m | 6:19AM3.21m | 6:32PM3.29m | ||||||||
Low Tide | 9:22PM1.14m | 9:23AM1.03m | 10:07PM0.88m | 10:09AM0.77m | 10:40PM0.62m | 10:45AM0.53m | 11:11PM0.38m | 11:18AM0.30m | 11:40PM0.17m | 11:51AM0.13m | 00:10AM0.02m | 12:24PM0.02m | 00:41AM-0.06m | |||||||
 |  |  | | |  |  |  | | |  | | |  | | | | | |  | |
 | — | — | 7:11 | — | — | 7:13 | — | — | 7:16 | — | — | 7:18 | — | — | 7:22 | — | — | 7:24 | — | — |
 | 7:36 | — | — | 7:31 | — | — | 7:29 | — | — | 7:24 | — | — | 7:21 | — | — | 7:17 | — | — | 7:14 | — |
mm | 2 | 4 | 2 | 1 | 1 | — | — | 15 | 6 | 6 | 4 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 6 | 7 | 6 | 5 | 6 | 6 |
Feels °C | 1 | 1 | -1 | -2 | 0 | -1 | 2 | 1 | 0 | 1 | 7 | 2 | 3 | 2 | -2 | 0 | 0 | -2 | 0 | 0 |
Swell 1 Height (m) Direction Period (s) | — | SSW 11 | SSW 14 | — | NNW 12 | NNW 11 | SW 11 | WSW 11 | SSW 10 | WSW 10 | S 15 | S 12 | NW 14 | WSW 11 | S 10 | SSW 9 | SSW 9 | SW 10 | WSW 7 | SW 9 |
| kJ | — | 2202 | 9900 | — | 14 | 12 | 3201 | 1369 | 876 | 175 | 10035 | 2151 | 276 | 400 | 349 | 348 | 121 | 167 | 94 | 117 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 15 | WSW 10 | WSW 9 | WSW 8 | NW 14 | S 18 | NNW 8 | S 16 | S 16 | SSW 9 | SSW 10 | SSW 9 | S 8 |
| kJ | — | — | — | — | — | — | — | 4 | 173 | 32 | 7 | 162 | 6 | 41 | 5 | 5 | 90 | 127 | 133 | 78 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NW 5 | — | NNW 13 | S 13 | NW 14 | SSW 11 | SW 10 | WSW 11 | NW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 14 | — | 63 | 3 | 8 | 40 | 98 | 81 | 35 |
Wind waves Height (m) Direction Period (s) | S 8 | S 11 | SSW 14 | SW 13 | SW 11 | SW 11 | — | SSE 6 | SE 10 | SSE 12 | NW 8 | W 4 | SSW 11 | WSW 8 | NW 6 | NW 6 | NW 5 | WNW 5 | W 5 | NNW 5 |
| kJ | 1548 | 4408 | 5784 | 14571 | 3888 | 3339 | — | 222 | 2309 | 8819 | 11 | 22 | 1823 | 512 | 161 | 61 | 36 | 71 | 45 | 48 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1134 | 1134 | 1109 | 349 | 1044 | 1184 | 349 | 349 | 1097 | 1298 | 54 | 349 | 1276 | 34 | 1134 | 0 | 0 | 1134 | 1109 | 1134 |
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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