Birsay Bay

faces 313° NW · Orkney, United Kingdom · 59.140, −3.320

Times in BST

Poor · best window 13:00–00:00
4.0 m
13 s period · W 277°
Clean groundswell, 67° inside the swell window
Wind
44 km/h
WSW · cross-onWSW 251° · cross-on
Tide
0.5 m
rising · H 00:00rising · high 00:00 (0.9 m)
Energy
94 kJ
poor
Sky
11°
drizzle · feels 11°drizzle since 17:00 · feels 11° · water 13° · OISST 13 Oct, preliminary
Ensemble · 12Z3 of 3 models reporting · updated 20:34 UTC

Next 16 days

tap a day for its hourspick a day for hour by hour · ← → step it · 3-hourly to day 16
  • swell · 10–14 s
  • wind swell · under 10 s
  • offshore
  • cross-off
  • cross
  • cross-on
  • onshore
  • glassy
  • band: the models' spread

Hourly detail

Thursday 8 October poorbest 13:00–15:00 · light 07:31–18:28

00 
poor
1.9 m11s WNW1.7 + 0.8 mtide−1.2 ↓
onshore 26 km/hgust27 km/h 11°
18 kJ
03 
poor
1.9 m11s WNW1.7 + 0.8 mtide−1.3 ↑
cross-on 24 km/hgust24 km/h 11°
17 kJ
06 
poor
1.8 m11s WNW1.7 + 0.8 mtide0.7 ↑
onshore 21 km/hgust22 km/h 10°
17 kJ
09 
fair
1.8 m11s WNW1.6 + 0.7 mtide1.0 ↓
onshore 17 km/hgust17 km/h 10°
16 kJ
12 
good
1.7 m11s WNW1.5 + 0.8 mtide−0.8 ↓
cross-on 6 km/hgust5 km/h 10°
13 kJ
15 
good
1.6 m11s WNW1.4 + 0.8 mtide−1.0 ↑
cross-off 8 km/hgust9 km/h 10°
12 kJ
18 
good
1.5 m10s WNW1.3 + 0.8 mtide0.9 ↑
cross-off 17 km/hgust18 km/h 10°
10 kJ
21 
good
1.4 m10s WNW1.1 + 0.7 mtide1.3 ↓
cross-off 37 km/hgust40 km/h 11°
9 kJ

Friday 9 October poorbest 00:00–06:00 · light 07:33–18:25

00 
fair
1.4 m10s WNW1.0 + 0.7 mtide−0.8 ↓
offshore 42 km/hgust45 km/h 10° · 0.5 mm/h
9 kJ
03 
fair
1.4 m10s NW0.8 + 0.7 + 0.0 mtide −1.7↑
cross-off 41 km/hgust43 km/h 11° · 1.2 mm/h
8 kJ
06 
poor
1.2 m9s NW0.7 + 0.5 + 0.1 mtide 0.3↑
cross 29 km/hgust43 km/h 12° · 0.4 mm/h
6 kJ
09 
poor
1.6 m9s NW0.6 + 0.2 mtide1.3 ↓
cross-on 41 km/hgust48 km/h 12°
10 kJ
12 
poor
1.7 m7s WNW0.6 + 0.5 mtide−0.4 ↓
cross-on 38 km/hgust45 km/h 12°
9 kJ
15 
poor
2.1 m7s W0.6 mtide−1.4 ↑
cross-on 41 km/hgust46 km/h 12°
14 kJ
18 
poor
2.3 m7s W0.6 + 0.6 mtide0.5 ↑
cross-on 38 km/hgust43 km/h 12° · 0.3 mm/h
17 kJ
21 
poor
2.2 m11s W0.9 + 0.6 + 0.6 mtide 1.6↓
cross-on 33 km/hgust37 km/h 11°
24 kJ

Saturday 10 October poorbest 00:00–24:00 · light 07:36–18:22

00 
poor
2.2 m11s W0.6 mtide−0.3 ↓
cross-on 35 km/hgust38 km/h 11° · 0.3 mm/h
24 kJ
03 
poor
2.2 m11s W0.6 mtide−1.8 ↑
cross-on 33 km/hgust36 km/h 11°
24 kJ
06 
poor
2.4 m11s W0.6 mtide−0.1 ↑
cross-on 36 km/hgust40 km/h 11° · 0.5 mm/h
27 kJ
09 
poor
2.5 m11s W0.6 mtide1.4 ↓
onshore 32 km/hgust36 km/h 11°
31 kJ
12 
poor
3.0 m12s W1.4 + 0.7 mtide0.0 ↓
onshore 38 km/hgust39 km/h 11°
51 kJ
15 
poor
3.1 m13s W3.0 + 0.6 mtide−1.6 ↑
onshore 26 km/hgust27 km/h 11°
55 kJ
18 
poor
2.9 m13s W2.9 + 0.6 mtide0.0 ↑
cross-on 24 km/hgust25 km/h 11°
49 kJ
21 
poor
2.9 m13s WNW2.9 + 0.6 mtide1.7 ↓
cross-on 22 km/hgust23 km/h 11°
49 kJ

Sunday 11 October poorbest 09:00–24:00 · light 07:38–18:19

00 
poor
2.8 m12s WNW2.8 + 0.5 mtide0.3 ↓
cross-on 23 km/hgust24 km/h 11°
45 kJ
03 
poor
2.6 m12s WNW2.5 + 0.5 mtide−1.7 ↑
onshore 26 km/hgust26 km/h 11°
36 kJ
06 
fair
2.3 m11s WNW2.2 + 0.6 mtide−0.6 ↑
cross-on 18 km/hgust19 km/h 11°
27 kJ
09 
good
2.0 m11s WNW1.9 + 0.6 + 0.1 mtide 1.4↑
cross-on 13 km/hgust14 km/h 11°
20 kJ
12 
good
1.8 m10s WNW1.7 + 0.6 + 0.1 mtide 0.5↓
onshore 8 km/hgust9 km/h 10°
15 kJ
15 
good
1.6 m10s WNW1.5 + 0.6 mtide−1.5 ↓
cross 8 km/hgust6 km/h 10°
12 kJ
18 
good
1.5 m10s WNW1.3 + 0.7 + 0.1 mtide −0.5↑
cross-off 10 km/hgust8 km/h 10°
10 kJ
21 
good
1.4 m10s WNW1.2 + 0.7 + 0.1 mtide 1.5↑
offshore 19 km/hgust18 km/h 11°
8 kJ

Monday 12 October poorbest 00:00–05:00 · light 07:41–18:16

00 
good
1.3 m9s WNW1.1 + 0.6 mtide0.7 ↓
offshore 27 km/hgust29 km/h 11°
7 kJ
03 
good
1.3 m9s WNW1.0 + 0.6 mtide−1.5 ↓
offshore 35 km/hgust40 km/h 12°
7 kJ
06 
fair
1.3 m10s WNW0.9 + 0.5 mtide−0.9 ↑
offshore 47 km/hgust52 km/h 12°
7 kJ
09 
poor
1.4 m10s WNW0.8 + 0.5 + 0.1 mtide 1.2↑
offshore 56 km/hgust65 km/h 12°
9 kJ
12 
poor
1.4 m5s SW0.6 + 0.4 + 0.0 mtide 0.8↓
cross-off 52 km/hgust64 km/h 12° · 0.8 mm/h
5 kJ
15 
poor
1.1 m9s WNW0.5 + 0.4 + 0.1 mtide −1.3↓
cross-off 38 km/hgust52 km/h 13°
5 kJ
18 
poor
0.8 m9s WNW0.5 + 0.3 + 0.2 mtide −0.9↑
cross-off 28 km/hgust39 km/h 13°
3 kJ
21 
poor
0.7 m9s WNW0.5 + 0.3 + 0.3 mtide 1.2↑
offshore 26 km/hgust36 km/h 12° · 0.5 mm/h
2 kJ

Tuesday 13 October poorbest 00:00–24:00 · light 07:43–18:14

00 
poor
1.0 m12s W0.4 + 0.3 + 0.3 mtide 1.0↓
cross-off 45 km/hgust62 km/h 13°
5 kJ
03 
poor
1.1 m4s S0.3 + 0.3 + 0.3 mtide −1.1↓
cross-off 51 km/hgust70 km/h 14°
2 kJ
06 
poor
1.1 m4s SSW0.4 + 0.2 + 0.1 mtide −1.1↑
cross 45 km/hgust66 km/h 14° · 11.0 mm/h
2 kJ
09 
poor
2.1 m6s WSW0.2 + 0.1 mtide0.9 ↑
cross 63 km/hgust79 km/h 13°
12 kJ
12 
poor
3.4 m9s W0.2 mtide1.0 ↓
cross-on 63 km/hgust82 km/h 12°
47 kJ
15 
poor
3.5 m9s W0.2 mtide−0.9 ↓
cross-on 56 km/hgust68 km/h 12°
52 kJ
18 
poor
3.1 m9s W0.2 mtide−1.1 ↑
cross-on 48 km/hgust58 km/h 11° · 0.4 mm/h
41 kJ
21 
poor
3.4 m9s W3.4 mtide0.8 ↑
cross-on 54 km/hgust67 km/h 11°
46 kJ

Wednesday 14 October poorbest 07:00–09:00 · light 07:45–18:11

00 
poor
3.3 m9s W3.3 mtide1.1 ↓
cross-on 48 km/hgust58 km/h 11°
46 kJ
03 
poor
3.0 m10s W1.0 mtide−0.6 ↓
cross 41 km/hgust52 km/h 11°
38 kJ
06 
fair
2.6 m11s W2.6 mtide−1.1 ↑
cross-off 43 km/hgust54 km/h 11°
33 kJ
09 
fair
2.3 m11s W2.2 mtide0.6 ↑
cross-off 51 km/hgust60 km/h 12°
27 kJ
12 
fair
2.3 m11s W2.0 mtide1.1 ↓
cross-off 56 km/hgust78 km/h 12°
27 kJ
15 
poor
2.7 m11s W2.0 mtide−0.5 ↓
cross-off 68 km/hgust90 km/h 14°
36 kJ
18 
poor
3.3 m12s W3.0 mtide−1.2 ↑
cross-off 61 km/hgust84 km/h 13° · 2.0 mm/h
60 kJ
21 
poor
4.0 m13s W4.0 mtide0.4 ↑
cross 48 km/hgust87 km/h 11°
94 kJ

Today 15 October poorbest 00:00–24:00 · light 07:47–18:08 12° 13°

00 
poor
4.3 m16s WNW4.3 mtide1.0 ↓
cross 53 km/hgust64 km/h 12°
140 kJ
03 
poor
4.9 m19s WNW4.9 mtide−0.3 ↓
cross 49 km/hgust61 km/h 12°
205 kJ
06 
poor
4.9 m17s WNW4.8 mtide−1.0 ↑
cross 51 km/hgust61 km/h 11°
180 kJ
09 
poor
4.3 m16s WNW3.8 mtide0.3 ↑
cross 49 km/hgust61 km/h 11°
132 kJ
12 
poor
4.1 m15s WNW4.1 mtide1.1 ↓
cross 46 km/hgust58 km/h 12°
114 kJ
15 
poor
3.9 m14s WNW3.9 mtide−0.1 ↓
cross 46 km/hgust57 km/h 12°
96 kJ
18 
poor
3.7 m14s WNW3.7 mtide−1.0 ↑
cross 48 km/hgust58 km/h 11° · 0.2 mm/h
84 kJ
now 
poor
3.5 m13s WNW3.5 mtide0.0 ↑
cross-on 46 km/hgust53 km/h 11°
75 kJ

Friday 16 October poorbest 00:00–24:00 · light 07:50–18:05 11° 13°

00 
poor
3.3 m13s WNW3.3 mtide0.9 ↓
cross-on 38 km/hgust43 km/h 11° · 0.3 mm/h
61 kJ
03 
poor
2.9 m12s WNW2.9 mtide0.0 ↓
cross-on 29 km/hgust32 km/h 11° · 0.3 mm/h
46 kJ
06 
poor
2.6 m12s WNW2.6 + 0.2 mtide−0.8 ↑
cross-on 27 km/hgust29 km/h 11° · 0.3 mm/h
37 kJ
09 
poor
2.5 m12s WNW0.7 + 0.5 mtide0.0 ↑
cross-on 31 km/hgust32 km/h 11° · 0.3 mm/h
33 kJ
12 
poor
2.5 m11s WNW1.2 + 0.9 mtide0.9 ↓
onshore 30 km/hgust34 km/h 11°
30 kJ
15 
poor
2.5 m13s NW1.6 + 1.4 mtide0.2 ↓
cross-on 33 km/hgust33 km/h 10°
37 kJ
18 
poor
2.6 m13s NW1.5 + 1.4 mtide−0.8 ↓
cross-on 33 km/hgust33 km/h 9°
39 kJ
21 
poor
2.5 m13s NW1.8 + 1.6 mtide−0.3 ↑
onshore 29 km/hgust28 km/h 9°
37 kJ

Saturday 17 October poorbest 21:00–24:00 · light 07:52–18:02 9° 13°

00 
poor
2.4 m13s NNW1.8 + 1.7 mtide0.6 ↑
onshore 26 km/hgust28 km/h 9°
34 kJ
03 
poor
2.3 m13s NNW1.7 mtide0.2 ↓
onshore 27 km/hgust30 km/h 10°
31 kJ
06 
poor
2.3 m12s NNW1.6 mtide−0.6 ↓
cross-on 31 km/hgust33 km/h 11°
29 kJ
09 
poor
2.2 m12s NW1.4 mtide−0.2 ↑
onshore 30 km/hgust34 km/h 11°
28 kJ
12 
poor
2.1 m12s NW1.4 + 1.3 mtide0.7 ↑
onshore 26 km/hgust27 km/h 11°
25 kJ
15 
fair
2.0 m12s NW1.5 + 1.2 mtide0.4 ↓
cross-on 19 km/hgust20 km/h 11°
21 kJ
18 
fair
1.9 m12s NW1.4 + 1.2 mtide−0.4 ↓
cross-on 20 km/hgust20 km/h 11°
20 kJ
21 
good
1.9 m12s NW1.4 + 1.2 mtide−0.5 ↑
cross-on 11 km/hgust12 km/h 11°
18 kJ

Sunday 18 October epicbest 20:00–22:00 · light 07:55–18:00 11° 13°

00 
good
1.8 m12s NW1.4 + 1.2 mtide0.3 ↑
cross 12 km/hgust12 km/h 12°
17 kJ
03 
good
1.8 m11s NW1.4 + 1.1 mtide0.3 ↓
cross 15 km/hgust15 km/h 11°
16 kJ
06 
good
1.7 m11s NW1.3 + 1.1 mtide−0.2 ↓
cross 17 km/hgust16 km/h 11°
14 kJ
09 
good
1.6 m11s NW1.2 + 1.0 + 0.0 mtide −0.3↑
cross-off 22 km/hgust24 km/h 11°
12 kJ
12 
good
1.5 m11s NNW1.1 + 1.0 + 0.1 mtide 0.4↑
cross-off 24 km/hgust26 km/h 10°
11 kJ
15 
good
1.5 m11s NW1.1 + 0.9 + 0.4 mtide 0.5↓
cross-off 29 km/hgust32 km/h 11°
11 kJ
18 
good
1.9 m11s NW1.4 + 0.9 + 0.8 mtide −0.1↓
cross-off 29 km/hgust28 km/h 11°
17 kJ
21 
epic
2.2 m15s WNW2.0 + 0.7 mtide−0.5 ↑
cross-off 35 km/hgust39 km/h 11°
32 kJ

Monday 19 October goodbest 12:00–20:00 · light 07:57–17:57 11° 13°

00 
epic
2.2 m13s WNW2.1 + 0.6 mtide−0.1 ↑
cross-off 30 km/hgust34 km/h 11°
29 kJ
03 
good
2.0 m13s W1.9 + 0.6 mtide0.2 ↓
cross-off 31 km/hgust34 km/h 11°
23 kJ
06 
good
1.8 m12s W1.7 + 0.5 + 0.3 mtide 0.1↓
cross-off 30 km/hgust32 km/h 11°
19 kJ
09 
good
1.7 m14s W1.4 + 0.6 + 0.5 mtide −0.3↑
cross-off 24 km/hgust24 km/h 11°
18 kJ
12 
epic
1.9 m16s WNW1.2 + 1.0 + 0.9 mtide 0.0↑
cross-off 22 km/hgust22 km/h 11°
26 kJ
15 
epic
2.4 m16s WNW2.2 + 0.8 + 0.2 mtide 0.5↑
cross-off 24 km/hgust24 km/h 11°
42 kJ
18 
epic
2.9 m16s WNW2.9 + 0.2 mtide0.3 ↓
cross-off 22 km/hgust22 km/h 11°
57 kJ
21 
epic
3.0 m15s WNW3.0 + 0.2 mtide−0.4 ↓
cross-off 21 km/hgust23 km/h 11°
59 kJ

Tuesday 20 October epicbest 00:00–10:00 · light 08:00–17:54 12° 13°

00 
epic
2.9 m15s WNW2.9 mtide−0.5 ↑
cross-off 24 km/hgust35 km/h 12°
55 kJ
03 
epic
2.7 m14s WNW2.7 mtide0.1 ↑
cross-off 35 km/hgust48 km/h 12°
48 kJ
06 
epic
2.6 m14s WNW2.5 mtide0.3 ↓
cross-off 36 km/hgust46 km/h 12°
42 kJ
09 
epic
2.5 m14s WNW2.4 mtide−0.2 ↓
cross-off 41 km/hgust50 km/h 12°
37 kJ
12 
good
2.4 m13s WNW2.2 mtide−0.3 ↑
cross-off 48 km/hgust58 km/h 12°
34 kJ
16 
epic
2.7 m13s W2.1 mtide0.5 ↓
offshore 42 km/hgust51 km/h 12°
42 kJ
19 
good
2.6 m13s W2.0 mtide0.4 ↓
offshore 43 km/hgust52 km/h 12°
39 kJ
22 
good
2.3 m13s W2.0 mtide−0.5 ↓
offshore 46 km/hgust53 km/h 12°
32 kJ

Wednesday 21 October epicbest 01:00–22:00 · light 08:02–17:51 12° 13°

01 
epic
2.3 m13s W1.9 mtide−0.6 ↑
offshore 39 km/hgust46 km/h 12°
30 kJ
04 
epic
2.1 m13s W1.8 mtide0.2 ↑
offshore 36 km/hgust42 km/h 12°
26 kJ
07 
epic
2.0 m12s W1.7 mtide0.5 ↓
offshore 30 km/hgust39 km/h 12°
22 kJ
10 
epic
1.8 m12s W1.7 + 0.1 mtide−0.2 ↓
offshore 27 km/hgust37 km/h 12°
18 kJ
13 
epic
1.7 m12s W1.6 + 0.5 mtide−0.5 ↑
cross-off 22 km/hgust32 km/h 12°
16 kJ
16 
epic
2.7 m11s W1.7 + 0.2 mtide0.4 ↑
cross-off 21 km/hgust27 km/h 12°
36 kJ
19 
epic
1.8 m12s W1.8 + 0.3 mtide0.7 ↓
cross-off 13 km/hgust19 km/h 12°
17 kJ
22 
good
2.5 m11s W1.8 + 0.3 mtide−0.3 ↓
cross-on 6 km/hgust5 km/h 11°
30 kJ

Thursday 22 October poorbest 01:00–04:00 · light 08:04–17:49 10° 13°

01 
fair
1.8 m12s W1.8 + 0.3 mtide−1.0 ↑
onshore 18 km/hgust17 km/h 11° · 0.2 mm/h
18 kJ
04 
poor
2.2 m11s WNW1.8 + 0.3 mtide0.0 ↑
cross-on 29 km/hgust32 km/h 10° · 2.6 mm/h
26 kJ
07 
poor
2.6 m10s W1.7 + 0.3 mtide0.8 ↓
onshore 27 km/hgust27 km/h 10° · 1.3 mm/h
29 kJ
10 
poor
2.2 m11s W1.6 + 0.3 mtide0.0 ↓
onshore 27 km/hgust32 km/h 11° · 0.3 mm/h
23 kJ
13 
poor
2.5 m10s W1.5 + 0.3 mtide−0.8 ↑
onshore 37 km/hgust39 km/h 10° · 1.1 mm/h
30 kJ
16 
poor
2.1 m10s W1.0 + 0.3 + 0.1 mtide 0.1↑
onshore 35 km/hgust40 km/h 10° · 1.2 mm/h
21 kJ
19 
poor
2.1 m11s W0.6 + 0.2 + 0.2 mtide 1.0↓
onshore 34 km/hgust37 km/h 11°
20 kJ
22 
poor
1.8 m11s WNW0.9 + 0.2 + 0.1 mtide 0.0↓
cross-on 33 km/hgust33 km/h 10°
16 kJ

Friday 23 October goodbest 19:00–22:00 · light 08:07–17:46 9° 13°

01 
poor
1.7 m10s W1.1 + 0.2 + 0.2 mtide −1.2↑
cross-on 28 km/hgust31 km/h 10°
14 kJ
04 
fair
1.5 m11s WNW1.3 + 0.4 + 0.1 mtide −0.3↑
cross-on 18 km/hgust22 km/h 10°
10 kJ
07 
fair
1.6 m10s W1.4 + 0.2 + 0.1 mtide 0.9↓
cross-on 19 km/hgust22 km/h 10° · 0.5 mm/h
12 kJ
10 
poor
1.7 m10s W1.3 + 0.2 + 0.1 mtide 0.3↓
cross-on 32 km/hgust35 km/h 10°
13 kJ
13 
fair
1.9 m11s WSW1.4 + 0.2 + 0.1 mtide −1.0↑
cross 28 km/hgust29 km/h 10°
17 kJ
16 
good
1.9 m12s W1.9 + 0.2 + 0.2 mtide −0.2↑
cross-off 31 km/hgust31 km/h 10°
19 kJ
19 
epic
2.2 m9s SW1.9 + 0.3 + 0.1 mtide 1.1↓
offshore 39 km/hgust44 km/h 8° · 1.7 mm/h
20 kJ
22 
good
1.9 m12s W1.8 + 0.3 + 0.3 mtide 0.4↓
offshore 43 km/hgust52 km/h 9° · 1.6 mm/h
21 kJ

Saturday 24 October poorbest 01:00–24:00 · light 08:09–17:44 10° 13°

01 
poor
1.9 m11s W1.7 + 0.4 mtide−1.3 ↑
cross 32 km/hgust32 km/h 10°
17 kJ
04 
poor
2.0 m12s W1.7 mtide−0.7 ↑
onshore 38 km/hgust43 km/h 9° · 0.2 mm/h
22 kJ
07 
poor
2.1 m10s W0.3 mtide1.0 ↓
cross-on 49 km/hgust53 km/h 9° · 0.3 mm/h
19 kJ
10 
poor
2.6 m8s W0.6 + 0.4 mtide0.6 ↓
cross-on 52 km/hgust57 km/h 10°
24 kJ
13 
poor
2.7 m8s W0.7 mtide−1.0 ↑
cross-on 53 km/hgust60 km/h 10°
25 kJ
16 
poor
3.3 m8s W0.7 + 0.4 mtide−0.6 ↑
cross-on 58 km/hgust66 km/h 10° · 0.2 mm/h
41 kJ
19 
poor
2.7 m8s W2.7 mtide1.2 ↓
onshore 50 km/hgust56 km/h 10° · 0.2 mm/h
26 kJ
22 
poor
3.1 m8s WNW0.9 mtide0.8 ↓
cross-on 50 km/hgust53 km/h 10° · 0.3 mm/h
37 kJ

Sunday 25 October poorbest 01:00–24:00 · light 07:12–16:41

01 
poor
2.5 m8s W1.1 mtide−1.2 ↑
cross-on 44 km/hgust49 km/h 10° · 0.3 mm/h
23 kJ
03 
poor
2.9 m8s WNW1.3 mtide−1.1 ↑
cross-on 45 km/hgust49 km/h 9°
31 kJ
06 
poor
2.5 m9s W1.3 mtide0.9 ↑
cross-on 47 km/hgust55 km/h 10°
25 kJ
09 
poor
3.1 m12s WNW1.3 mtide1.0 ↓
cross-on 41 km/hgust46 km/h 9° · 0.8 mm/h
53 kJ
12 
poor
2.6 m11s W1.3 mtide−0.9 ↓
cross-on 45 km/hgust51 km/h 10°
34 kJ
15 
poor
3.5 m12s WNW1.3 mtide−1.0 ↑
cross-on 52 km/hgust — —
64 kJ
18 
poor
3.4 m12s WNW1.2 mtide1.0 ↑
cross-on 46 km/hgust — —
59 kJ
21 
poor
3.3 m11s WNW1.1 mtide1.2 ↓
cross 50 km/hgust ——
55 kJ

Monday 26 October poorbest 21:00–24:00 · light 07:15–16:38

00 
poor
3.2 m11s WNW1.1 mtide−1.0 ↓
cross 46 km/hgust ——
49 kJ
03 
poor
2.8 m11s WNW2.0 + 0.9 mtide−1.5 ↑
cross 45 km/hgust ——
38 kJ
06 
fair
2.5 m11s WNW1.8 + 0.8 mtide0.7 ↑
cross-off 46 km/hgust — —
32 kJ
09 
fair
2.4 m11s WNW0.8 + 0.4 mtide1.3 ↓
cross-off 45 km/hgust — —
27 kJ
12 
good
2.2 m10s WNW2.0 + 0.8 mtide−0.6 ↓
cross-off 38 km/hgust — —
22 kJ
15 
good
2.0 m10s WNW1.7 + 0.8 mtide−1.4 ↑
cross-off 43 km/hgust — —
18 kJ
18 
good
1.9 m10s W1.5 + 0.7 mtide0.7 ↑
cross-off 43 km/hgust — —
16 kJ
21 
epic
1.7 m10s W1.5 + 0.7 + 0.2 mtide 1.5↓
offshore 33 km/hgust — —
13 kJ

Tuesday 27 October poorbest 00:00–03:00 · light 07:16–16:35

00 
fair
1.5 m10s WNW1.3 + 0.6 + 0.5 mtide −0.5↓
cross-on 12 km/hgust — —
10 kJ
03 
poor
1.5 m10s WNW1.2 + 0.8 mtide−1.7 ↑
cross-on 26 km/hgust — —
10 kJ
06 
poor
1.7 m10s WNW1.1 mtide0.3 ↑
onshore 42 km/hgust — —
14 kJ
09 
poor
2.6 m6s NW0.5 + 0.2 mtide1.6 ↓
onshore 53 km/hgust — —
20 kJ
12 
poor
4.0 m9s NNW1.7 + 0.9 mtide−0.2 ↓
cross-on 68 km/hgust — —
63 kJ
15 
poor
5.3 m11s NNW0.3 mtide−1.6 ↑
onshore 79 km/hgust — —
139 kJ
18 
poor
6.7 m12s NNW6.7 mtide0.2 ↑
onshore 91 km/hgust — —
246 kJ
21 
poor
7.0 m12s NNW7.0 mtide1.7 ↓
onshore 88 km/hgust — —
274 kJ

Wednesday 28 October poorbest 00:00–24:00 · light 07:19–16:33

00 
poor
6.0 m12s NNW6.0 mtide0.1 ↓
onshore 75 km/hgust — —
193 kJ
03 
poor
5.6 m11s NNW5.6 mtide−1.7 ↑
onshore 72 km/hgust — —
161 kJ
06 
poor
5.1 m11s NNW5.1 mtide−0.2 ↑
onshore 64 km/hgust — —
130 kJ
09 
poor
4.8 m11s NNW4.8 mtide1.6 ↓
onshore 61 km/hgust — —
112 kJ
12 
poor
4.4 m11s NNW4.4 mtide0.3 ↓
onshore 56 km/hgust — —
95 kJ
15 
poor
3.9 m10s NNW3.9 mtide−1.6 ↑
onshore 48 km/hgust — —
72 kJ
18 
poor
3.4 m10s NNW2.2 mtide−0.4 ↑
onshore 42 km/hgust — —
54 kJ
21 
poor
3.0 m10s N2.1 mtide1.5 ↓
onshore 30 km/hgust — —
41 kJ

Thursday 29 October fairbest 03:00–09:00 · light 07:22–16:30

00 
fair
2.6 m11s N2.1 + 1.5 mtide0.6 ↓
onshore 20 km/hgust — —
34 kJ
03 
epic
2.3 m11s N1.9 + 1.2 mtide−1.4 ↑
cross-on 2 km/hgust — —
25 kJ
06 
epic
1.9 m10s N1.7 + 0.7 + 0.6 mtide −0.7↑
offshore 21 km/hgust — —
17 kJ
09 
good
1.7 m10s N1.5 + 0.6 + 0.3 mtide 1.4↓
offshore 39 km/hgust — —
13 kJ
12 
fair
1.7 m10s N1.3 + 0.5 + 0.2 mtide 0.8↓
offshore 51 km/hgust — —
12 kJ
15 
fair
1.6 m10s N1.2 + 0.4 mtide−1.3 ↑
offshore 51 km/hgust — —
11 kJ
18 
poor
1.5 m10s N1.1 + 0.3 + 0.0 mtide −1.0↑
offshore 58 km/hgust — —
11 kJ
21 
poor
1.5 m10s N1.0 + 0.2 + 0.2 mtide 1.1↓
offshore 58 km/hgust — —
10 kJ

Friday 30 October poorbest 03:00–09:00 · light 07:24–16:28

00 
poor
1.5 m12s NW0.9 + 0.6 + 0.1 mtide 1.0↓
offshore 56 km/hgust — —
13 kJ
03 
fair
1.3 m13s NW0.8 + 0.6 + 0.1 mtide −0.9↓
offshore 46 km/hgust — —
10 kJ
06 
fair
1.2 m12s NNW0.7 + 0.6 + 0.1 mtide −1.0↑
offshore 39 km/hgust — —
8 kJ
09 
poor
1.1 m12s NW0.7 + 0.5 + 0.2 mtide 1.0↑
cross 37 km/hgust ——
7 kJ
12 
poor
1.6 m14s WNW0.7 + 0.5 + 0.2 mtide 1.2↓
cross 40 km/hgust ——
16 kJ
15 
poor
1.7 m10s W0.8 + 0.6 + 0.1 mtide −0.7↓
cross 36 km/hgust ——
13 kJ
18 
fair
1.7 m14s W0.9 + 0.6 + 0.1 mtide −1.3↑
cross 34 km/hgust ——
19 kJ
21 
poor
1.9 m14s W1.2 + 0.5 + 0.1 mtide 0.5↑
cross 35 km/hgust ——
21 kJ

swipe for the next day

Tide

EOT20 prediction
0006121824
now 0.5 m ↑L 05:30 · −1.1H 11:30 · 1.1L 18:00 · −1.0

Heights vs mean sea level

Optimal: any.

Swell window

In the window
210°30°Birsay Bay

© OpenStreetMap · Protomaps · NOAA GFS-Wave 12Z

Thu 15 · 22:00
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  • 4.0 m · 13 s · W 277°In the window

Window SSW–NNE, 210°–30°.

Type
—
Faces
313° NW
Optimal period
—
Optimal tide
any
Level
—
Coordinates
59.14, −3.32

Model agreement

Medium

NOAA GFS-Wave3.5 m

ECMWF IFS-WAM4.5 m

DWD GWAM4.0 m

No buoy within 25 km, so agreement can’t be scored here.

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