Steamer Lane-The Slot Surf Break

Lat Long: 36.95° N 122.03° W

Steamer Lane-The Slot Surf Forecast and Surf Report

Issued: 4 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Steamer Lane-The Slot sea temperature is
16.3° C
1.7° 

Steamer Lane-The Slot surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Steamer Lane-The Slot surf forecast from 21 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 8PM (local time) - 3ft (0.9m), 14s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 27 Aug, 5AM (local time) - 3ft (0.9m), 15s period, S swell with 381 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 2.5ft (0.7m), 14s period with SSW swell.

Best Forecast Surf Conditions for Steamer Lane-The Slot this week:

The surf forecast for Steamer Lane-The Slot over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 2AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.6m and 11s. Another secondary swell of 0.6m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Steamer Lane-The Slot in the next 16 days are 0.9m 15s and forecast to arrive on Thursday (Aug 27) at 5AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 21st Aug)2.5ft (0.7m) 14s
Best Surf 8PM (Wed 26th Aug)3ft (0.9m) 14s
Most Powerful 5AM (Thu 27th Aug)3ft (0.9m) 15s

Table - best surf conditions forecast for Steamer Lane-The Slot over the next 16 days.


The Lowdown

Alright, Rusty here, let’s talk about what’s coming up for Steamer Lane – The Slot.

Right off the bat, the water temp is sitting at 61°F, which is a touch warmer than we’d normally expect for this time of year. Not a huge deal, but it’s nice to know you’re not going to freeze your toes off.

The next week to ten days is pretty flat and underwhelming. The solid action doesn’t really kick in until the end of the period. From Thursday the 20th all the way through to around the 26th, we’re mostly looking at small, weak swells, nothing above 3 ft, with periods that are all over the place. Winds are mostly light but cross-onshore, so the surface won’t be pristine. The combined energy values are all in the low to mid hundreds – weak, honest.

The first real standout doesn’t show up until Friday afternoon, August 28th. That’s the one to circle. Conditions go glassy, with zero wind, and a really clean 2 ft SSW swell with a 19-second period – that’s pure groundswell, beautiful energy. The combined energy jumps to 788 (moderate), and the guidance says “expect very good surf conditions.” For a mellow, clean session, that’s the wave to sit on. The Slot is a reef, so that long period will wrap in nicely without the straight closeout you’d see at a beach break.

Then, on Thursday afternoon, September 4th, the potential really stands out. It's a bit far out, but it’s worth keeping an eye on. We’ve got glassy conditions again, a 4 ft SSW swell (18-second period), and combined energy of 1043 – that’s strong wave energy. The forecast says “expect very good surf conditions.” A touch bigger, still clean, with real punch. The wind is offshore for the morning, but by the afternoon it switches onshore – still, that morning window is golden.

The weekend of the 30th to 31st does bring some size – up to 7 ft on the 30th morning – but the period is short (9 seconds) and the winds are cross-onshore, so it’s likely to be a little messy. If you’re an expert and hungry, you might get something out of it, but it’s not the top pick.

The very end of the run, September 4th morning, is probably the best all-round call. Glassy, 4 ft, 18-second SSW groundswell, strong energy (1043), and the wind is off the land. That’s a session you’ll remember.

Stay patient, keep an eye on that late August Friday and the first Friday of September – those are the windows.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
0
1
0
0
2
1
1
2
1
1
2
1
1
2
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
14
0.7
SSW
14
0.4
SW
18
0.4
SW
18
0.5
SSW
13
0.5
SSW
13
0.4
SSW
17
1.3
NW
7
1
WNW
8
1
WNW
8
0.5
SW
18
1.2
NW
8
0.5
SW
17
0.6
SSW
17
0.6
SSW
17
0.5
SW
16
0.5
SW
16
0.7
S
16
0.9
S
14
1.5
NW
7
Wave Graph
Metric surfscale
Energy kJ
236
183
105
99
99
99
111
179
129
119
157
173
150
190
184
129
124
236
316
242
Wind (km/h)
10
W
5
NW
5
W
15
W
5
N
5
WSW
10
WNW
0
NNW
5
WSW
10
WSW
0
NE
10
WSW
10
WSW
5
NE
10
W
10
W
5
NNW
5
WSW
5
NW
5
NNW
Wind State
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
on
glassy
on
on
glassy
cross-on
cross-on
glassy
cross-on
cross
glassy
High Tide
4:35PM1.53m
9:22AM1.18m
5:34PM1.53m
9:57AM1.25m
6:37PM1.55m
10:24AM1.28m
7:34PM1.58m
10:46AM1.29m
8:23PM1.62m
11:04AM1.28m
9:08PM1.62m
11:20AM1.29m
9:49PM1.61m
Low Tide
00:41AM0.26m
12:15PM1.10m
1:40AM0.19m
1:24PM1.09m
2:29AM0.11m
2:15PM1.02m
3:08AM0.03m
2:56PM0.94m
3:42AM-0.03m
3:32PM0.85m
4:12AM-0.07m
4:05PM0.75m
4:38AM-0.07m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
6:31
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:52
7:51
7:49
7:47
7:45
7:45
 mm
Temp °C
21
17
20
23
18
20
25
19
20
23
17
19
22
18
20
24
19
21
25
19
Feels °C
21
17
20
22
18
19
24
19
20
22
18
18
21
18
20
23
19
20
24
18
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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Steamer Lane-The Slot Surf forecast

The above surf forecast table for Steamer Lane-The Slot provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Steamer Lane-The Slot can be found by selecting the local surf guide option on the grey menu. Our Steamer Lane-The Slot 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 (Steamer Lane-The Slot) 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 Steamer Lane-The Slot 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.

Steamer Lane-The Slot is 3 km (2 miles) from Santa Cruz. If you plan a vacation in Santa Cruz, look for hotels and other accommodation in Santa Cruz. Santa Cruz has rooms for a wide range of budgets as well as car hire and transport links.

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