Sebastian Inlet-Third Peak Surf Forecast

/ Florida – North (78 breaks) / Florida (155 breaks) /

USA (1297 breaks) / Lat Long: (27.86° N 80.45° W)

Surf Forecasts:

Sebastian Inlet-Third Peak surfForecast / Florida – North / USA

12 Day Weather and Surf, issued 1 am Thursday 18 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

Sebastian Inlet-Third Peak surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sebastian Inlet-Third Peak sea temperature is 29.3° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Sebastian Inlet-Third Peak this week:

The surf forecast for Sebastian Inlet-Third Peak over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 5AM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.4m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sebastian Inlet-Third Peak in the next 12 days are 0.7m 11s and forecast to arrive on Monday (Sep 22) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Sep 23) at 5PM.

Wave Type	Time (EDT) & Date	Wave Height & Period
Next good surf (1 star+)	5AM (Thu 18th Sep)	1.5ft (0.5m) 8s
Best Surf	5AM (Thu 18th Sep)	1.5ft (0.5m) 8s
Most Powerful	11AM (Mon 22nd Sep)	2.5ft (0.7m) 11s

Table - best surf conditions forecast for Sebastian Inlet-Third Peak over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 11mm), heaviest on Thu morning. Warm (max 28°C on Sat afternoon, min 25°C on Thu afternoon). Wind will be generally light.									Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Tue afternoon. Warm (max 28°C on Sun afternoon, min 25°C on Tue afternoon). Wind will be generally light.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	NE	E	E	ENE	NE	NE	NE	NE	NE	NE	NE	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	8	5	5	6	8	5	5	5	5	5	6	12	11	11	10	10	10	9	9	9	8
Wave Graph (?)
kJ (?)	20	62	34	34	20	34	41	42	43	31	36	69	118	114	73	94	66	61	57	56	35
Wind (km/h)	ESE	E	NE	NNE	NNE	NE	NNE	NNE	NE	NE	NNE	ENE	E	E	ESE	NNW	E	SE	N	ENE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	on	on	cross- on	on	on	on	on	on	on	cross- on	cross- on	cross- on	cross- on	glass	cross- on	cross	cross- on	cross- on	cross- off
High Tide / height (m)		6:12PM 0.41		6:35AM 0.27	7:01PM 0.39		7:26AM 0.30	7:47PM 0.37		8:13AM 0.33		8:29PM 0.34	8:57AM 0.34		9:09PM 0.30	9:40AM 0.35		9:46PM 0.26	10:21AM 0.35		10:20PM 0.22
Low Tide / height (m)	11:41AM -0.35		12:36AM -0.32	12:38PM -0.35		1:22AM -0.34	1:31PM -0.34		2:04AM -0.35		2:20PM -0.33	2:42AM -0.35		3:06PM -0.31	3:19AM -0.35		3:51PM -0.28	3:53AM -0.34		4:35PM -0.25	4:28AM -0.33

	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	7:07	-	-	7:07	-	-	7:09	-	-	7:09	-	-	7:09	-	-	7:09	-	-	7:09	-	-
Sunset	-	7:22	-	-	7:22	-	-	7:21	-	-	7:19	-	-	7:17	-	-	7:16	-	-	7:15	-

Rain (mm)	2	2	1	1	1	-	2	1	1	1	-	1	-	-	2	3	4	-	2	1	-
Temp. °C	27	26	26	27	27	27	27	28	27	27	28	27	28	28	28	28	26	27	27	28	28
Feels °C (?)	29	28	28	27	26	27	28	28	27	29	29	28	31	30	31	32	29	30	30	30	30

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Florida - North

Wind Update Wind reports 7 km away suggest it is still onshore at Sebastian Inlet-Third Peak (light winds from the NNE at Sebastian Airport (Florida)). 0.7m 8s swell from the NE with a 0.4m 4s local chop from the E and a 0.3m 6s windswell, also from the E. 3 swells combining to make bigger set waves.
1 hour 42 minutes ago Sebastian Inlet-Third Peak

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1 h 42 min ago

11 km/h

NNE

Onshore

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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 12 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.