Weather 
12:00 
Stations 
02:10 
05:04 
09:02 
12:58 
16:31 
20:05 
Ta=17.9 °C, Tw= 17.3 °C, S=28.78, wind 4.7 m/s (3 Bft) from 96°, 
Pa= 1017 hPa, RH=76 %, cloudiness: 4/8, cirro/alto/strato-cumulus, to the west 
very dark strato-cumulus. 
GN039S 
GNO040 (Skagerrak) 
GN040S 
Neuston net haul 
GN041 (west of Lindesnes) 
GNO042(Eigersundbank) 
GN042S 
Neuston net haul 
Tuesday, July 13, 2021 
Weather Ta=14.9 °C, Tw= 14.6 °C, S=34.75, wind 5.3 m/s (3 Bft) from 11°, 
12:00 Pa= 1015.5 hPa, RH=97 %, cloudiness: 8/8, stratus, fog — very poor visibility. 
Although the wind was coming from NE, swell was coming from NNW as well. 
Stations 
00:24 
05:17 
09:28 
15:29 
21:18 
GNO043 (Lingbank East) 
GNO044 (Lingbank West) 
GN044S 
GN045 
Neuston net haul 
GNO045A 
Neuston net haul 
We decided to pass Pentland Firth the next day to complete the 
northwesternmost stations first, as long as weather is permitting. The passage 
was planned for the early morning of the next day with tidal currents pushing us. 
Wednesday, July 14, 2021 
Weather T4=13.5 °C, Tw= 14.0 °C, $S=34.58, wind 7.9 m/s (4 Bft) from 209°, 
12:00 Pa= 1016 hPa, RH=89 %, cloudiness: 7/8, stratus, freshening wind 
Stations 
03:13 
07:57 
11:23 
15:37 
18:36 
23:54 
GNO045B (east of Pentland Firth) 
GNO057A (west of Pentland Firth) 
GNO056 (Cape Wrath) 
GN056C (North Minch) 
GNO064 (Shiant East Bank) 
GNO056B (Sulisker Bank South) 
We passed the Pentland Firth in the morning dawn and had good views towards 
the Orkneys and the very north of Scotland. 
With freshening winds in the afternoon, the sea was getting rough, but today we 
had some shelter from the Outer Hebrides. 
Thursday, July 15, 2021 
Weather Ta=12.8°C, Tw= 12.4 °C, 5=35.30, wind 8.5 m/s (5 Bft) from 216°, 
12:00 
SS