State Line surfForecast / Oregon South / USA

information circle12 Day Weather and Surf, issued 3 am Sunday 21 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
State Line surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's State Line sea temperature is
12.1° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for State Line this week:

The surf forecast for State Line over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 1PM. The primary swell is predicted to be 1.6m and 11s period with a secondary swell of 0.8m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at State Line in the next 12 days are 3.0m 13s and forecast to arrive on Tuesday (Dec 23) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Dec 25) at 1PM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sun 21st Dec)5ft (1.6m) 11s
Best Surf 1AM (Tue 23rd Dec)10ft (3.0m) 11s
Most Powerful 7PM (Tue 23rd Dec)10ft (3.0m) 13s

Table - best surf conditions forecast for State Line over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 26mm), heaviest during Sun morning. Very mild (max 12°C on Sun night, min 7°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 37mm), heaviest during Thu night. Very mild (max 11°C on Wed morning, min 6°C on Fri night). Winds increasing (calm on Wed afternoon, near gales from the SSE by Wed night).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
2
0
1
!
!
!
4
4
3
2
0
0
0
0
0
3
3
3
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
NW
1.6
NW
1.7
WNW
1.6
NW
1.5
WNW
3
WNW
3
WNW
3
WNW
2.5
WNW
2.1
WNW
1.7
WNW
1.2
NW
1.1
NW
3
S
3.5
SSW
2
SSW
1.4
WNW
2
NW
1.8
NW
1.7
NW
1.3
NW
Period(s) (?)111010109111212121110911910101110998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)593527554461378204926032419206798856525826814652454778441773549450244
Wind
(km/h)
5
NNE
5
WSW
10
S
20
SSW
15
S
10
ESE
10
ESE
0
NW
10
ESE
10
ESE
5
SE
15
ENE
55
S
45
S
35
SSE
35
SSE
25
S
15
ENE
10
E
5
W
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglasscross-
on
cross-
on
cross-
on
cross-
off
cross-
off
glasscross-
off
cross-
off
glasscross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
offcross-
off
glasscross-
off
High Tide
/ height (m)
11:28AM
2.23
1:45AM
1.75
12:06PM
2.19
2:21AM
1.77
12:45PM
2.11
2:58AM
1.80
1:29PM
1.99
3:35AM
1.86
2:21PM
1.84
4:12AM
1.94
3:24PM
1.67
4:50AM
2.04
4:43PM
1.52
Low Tide
/ height (m)
6:51PM
-0.18
6:27AM
1.17
7:26PM
-0.16
7:12AM
1.16
8:02PM
-0.12
8:02AM
1.12
8:39PM
-0.02
9:01AM
1.05
9:17PM
0.12
10:07AM
0.93
9:58PM
0.30
11:17AM
0.74
10:43PM
0.51
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunrise7:41--7:41--7:41--7:43--7:43--7:43--7:43--
Sunset-4:47--4:47--4:49--4:50--4:50--4:51--4:52-
mod rain
light rain
rain showers
rain showers
part cloud
cloud
cloud
cloud
light rain
part cloud
cloud
mod rain
thunderstorm
mod rain
heavy rain
rain showers
clear
clear
clear
clear
clear
Rain (mm)
9573----2--756154-----
Temp. °C1111121111911108111011101091111811108
Feels °C (?)10108676108588-1-114454985
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the State Line Surf forecast

The above surf forecast table for State Line provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at State Line can be found by selecting the local surf guide option on the grey menu. Our State Line 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 (State Line) 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 State Line 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.

Are you planning a vacation in South Oregon? If you are looking for accommodation near State Line, camping, hotels and condos and appartments in South Oregon, consider staying in Grants Pass which is 89 km (55 miles) away.

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