Seaside Creek surfForecast / CAL – Mendocino County / USA

information circle12 Day Weather and Surf, issued 9 am Friday 19 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
Seaside Creek surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Seaside Creek sea temperature is
13.0° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Seaside Creek this week:

The surf forecast for Seaside Creek over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 19) at 1PM. The primary swell is predicted to be 3.0m and 11s period with a secondary swell of 0.4m and 12s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Seaside Creek in the next 12 days are 5.0m 10s and forecast to arrive on Thursday (Dec 25) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Tuesday (Dec 23) at 10AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Fri 19th Dec)10ft (3.0m) 11s
Best Surf 1PM (Fri 19th Dec)10ft (3.0m) 11s
Most Powerful10AM (Thu 25th Dec)16ft (5.0m) 10s

Table - best surf conditions forecast for Seaside Creek over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 67mm), heaviest during Fri morning. Very mild (max 14°C on Fri morning, min 9°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 86mm), heaviest during Wed night. Very mild (max 15°C on Tue night, min 9°C on Mon night). Winds increasing (calm on Mon morning, strong winds from the SSE by Tue night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
!
4
3
4
4
3
1
2
3
3
2
4
4
2
1
4
3
0
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
3
W
2.5
W
1.8
NW
1.8
NW
1.7
NW
1.5
NW
1.3
NW
1.3
NW
1.3
NW
1.6
NW
1.6
NW
1.8
NW
2.3
WNW
2.3
WNW
2.1
WNW
1.9
NW
2.5
S
1.8
SSW
5
W
2.3
WNW
2
WNW
Period(s) (?)1110121212111111101010121212121279101113
Wave
Graph
(?)Metric surfscale
Energy kJ (?)21841250976944765544422414355527530980143514601215897711493482812911269
Wind
(km/h)
25
SSW
5
WNW
5
NW
5
SSE
5
ESE
15
ESE
20
S
10
NNW
5
E
5
ESE
10
NW
5
E
10
ESE
25
ESE
45
SSE
5
S
25
SE
40
SE
35
S
30
S
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglasscross-
on
glasscross-
off
cross-
off
crosscross-
on
glassglasscross-
on
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross
High Tide
/ height (m)
12:24AM
1.34
10:23AM
1.89
1:01AM
1.36
10:59AM
1.88
1:37AM
1.38
11:37AM
1.84
2:14AM
1.41
12:17PM
1.77
2:51AM
1.45
1:01PM
1.66
3:26AM
1.50
1:53PM
1.52
Low Tide
/ height (m)
5:05PM
-0.15
4:13AM
1.02
5:41PM
-0.17
4:53AM
1.02
6:17PM
-0.16
5:36AM
1.03
6:53PM
-0.14
6:23AM
1.02
7:29PM
-0.09
7:18AM
1.00
8:05PM
-0.01
8:22AM
0.94
8:43PM
0.11
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Sunrise7:30--7:31--7:31--7:31--7:31--7:33--7:33--
Sunset-4:52--4:52--4:53--4:53--4:54--4:54--4:55-
heavy rain
light rain
part cloud
cloud
light rain
heavy rain
light rain
cloud
cloud
part cloud
cloud
part cloud
mod rain
heavy rain
heavy rain
rain showers
cloud
heavy rain
mod rain
mod rain
heavy rain
Rain (mm)
331--5253-----714401-246617
Temp. °C14131213121414121112111010131511121210109
Feels °C (?)1013111211121111111098898675234
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Seaside Creek Surf forecast

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

Seaside Creek is 67 km (42 miles) from Ukiah. If you plan a vacation in Mendocino County, look for hotels and other accommodation in Ukiah. Ukiah has rooms for a wide range of budgets as well as car hire and transport links.

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