Surf Forecasts:
Sebastian Inlet-Third Peak surf forecast from 20 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 2AM (local time) - 1.5ft (0.5m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Saturday 26 Sep, 8PM (local time) - 5ft (1.6m), 11s period, NE swell with 638 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 2AM (local time) - 1.5ft (0.5m), 8s period with ENE swell.
Best Forecast Surf Conditions for Sebastian Inlet-Third Peak this week:
The surf forecast for Sebastian Inlet-Third Peak over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 2AM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sebastian Inlet-Third Peak in the next 16 days are 1.6m 11s and forecast to arrive on Saturday (Sep 26) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Wednesday (Sep 23) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 22nd Sep) | 1.5ft (0.5m) 8s |
| Best Surf | 2AM (Tue 22nd Sep) | 1.5ft (0.5m) 8s |
| Most Powerful | 8PM (Sat 26th Sep) | 5ft (1.6m) 11s |
Table - best surf conditions forecast for Sebastian Inlet-Third Peak over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Warm (max 28°C on Sun morning, min 25°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Thu night. Warm (max 29°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||
AM | 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) | ENE 7 | ENE 7 | E 8 | E 8 | ENE 9 | ENE 8 | NE 7 | ENE 8 | ENE 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 12 | NE 11 | NE 12 | NE 11 | NE 12 | NE 11 | NE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 17 | 11 | 10 | 8 | 32 | 19 | 21 | 20 | 20 | 21 | 21 | 18 | 21 | 174 | 298 | 314 | 447 | 514 | 418 | 422 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross | glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross-off | on | cross-on | on | cross-on | on | on |
High Tide | 4:00PM0.29m | 4:02AM0.11m | 4:49PM0.29m | 4:58AM0.14m | 5:34PM0.30m | 5:50AM0.19m | 6:17PM0.30m | 6:38AM0.24m | 6:58PM0.31m | 7:23AM0.30m | 7:39PM0.32m | 8:09AM0.35m | 8:20PM0.33m | ||||||||
Low Tide | 9:06AM-0.24m | 10:32PM-0.16m | 10:03AM-0.24m | 11:17PM-0.19m | 10:59AM-0.25m | 11:57PM-0.22m | 11:52AM-0.27m | 00:36AM-0.26m | 12:43PM-0.29m | 1:13AM-0.31m | 1:31PM-0.30m | 1:52AM-0.35m | 2:18PM-0.32m | 2:32AM-0.39m | |||||||
 | |  | | | | | | |  | | | | | | | |  | | |  | |
 | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 7:21 | — | — | 7:19 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — |
mm | 1 | 3 | 2 | 2 | 1 | 4 | 1 | 2 | 4 | — | 1 | 2 | 1 | 1 | 4 | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 27 | 28 | 26 | 26 | 26 | 26 |
Feels °C | 32 | 30 | 30 | 32 | 30 | 31 | 31 | 30 | 30 | 32 | 32 | 31 | 32 | 31 | 30 | 26 | 27 | 24 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 8 | E 8 | NE 6 | ENE 8 | NE 7 | ENE 8 | ENE 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 12 | NE 11 | NE 12 | NE 11 | NE 12 | NE 11 | NE 11 |
| kJ | 29 | 17 | 11 | 10 | 6 | 32 | 19 | 21 | 20 | 20 | 21 | 20 | 18 | 21 | 174 | 298 | 314 | 447 | 514 | 418 | 172 |
Swell 2 Height (m) Direction Period (s) | E 9 | — | ENE 7 | ENE 6 | E 7 | E 9 | E 7 | NE 7 | NE 7 | NE 7 | E 16 | ENE 14 | ENE 13 | ENE 12 | NE 7 | E 8 | N 5 | E 8 | E 8 | — | — |
| kJ | 2 | — | 4 | 4 | 4 | 2 | 9 | 7 | 7 | 7 | 5 | 21 | 17 | 15 | 12 | 1 | 2 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 8 | ENE 3 | — | ENE 9 | E 9 | E 9 | — | E 18 | E 17 | E 9 | E 9 | ESE 3 | NE 10 | E 8 | — | E 8 | — | — | — | — |
| kJ | — | 4 | 1 | — | 8 | 6 | 6 | — | 6 | 6 | 2 | 2 | 1 | 4 | 1 | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | — | — | — | — | — | — | — | — | NE 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 422 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 464 | 375 | 218 | 375 | 375 | 0 | 3 | 482 | 375 | 1179 | 1710 | 0 | 129 | 352 | 0 | 125 | 352 | 375 | 1071 | 1353 | 375 |
Best forecast wave conditions in North Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Sebastian Inlet-Third Peak Surf forecast
The above surf forecast table for Sebastian Inlet-Third Peak provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sebastian Inlet-Third Peak can be found by selecting the local surf guide option on the grey menu. Our Sebastian Inlet-Third Peak 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 (Sebastian Inlet-Third Peak) 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 Sebastian Inlet-Third Peak 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.
Sebastian Inlet-Third Peak is 6 km (4 miles) from the city of Sebastian. If you plan a vacation in North Florida, look for hotels and other accommodation in Sebastian. Sebastian has rooms for a wide range of budgets as well as car hire and transport links.
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