NAME OF VESSEL 
□ s/s 
□ M/V 
COUNTRY OF REGISTRY 
MONTH 
'On. -C 
19 
Li 
o * 
30 
(o 
CALL SIGN 
BAROMETER NO. 
// */ 
POSITION OF SHIP 
OCT¬ 
ANT 
Q 
/ 
LATITUDE 
LONGI¬ 
TUDE 
(Degrees and tenths) 
LaLaLa 
60 0 
/// 
TIME 
( Nearest 
hour 
00-25) 
(G.C.T.) 
GG 
00 
TOTAL 
CLOUD 
AMT. 
( Coded) 
(0-9) 
N 
7, 
NAME of captain 
FROM 
TO 
WIND 
(True) 
(00-56) 
dd 
/ z 
SPEED 
(1 rue- 
knots) 
EST. 
n 
VISI¬ 
BILITY 
( Coded) 
(90-99) V( 
10 
w 
r o 
WEATHER 
PRES¬ 
ENT 
(Coded) 
00-99) 
1 1 
0 2 - 
past 
( Coded) 
(0-9) 
1 2 
W 
WB form 615-5 
U.S. 
DEPARTMENT OF COMMERCE 
(1-64) 
WEATHER BUREAU 
SHIP’S WEATHER 
OBSERVATIONS 
Check ( f ) 
TEMPERATURES (COLS. 16-18, 28-30, 32-33): 
□ °f 
Form Approved; Budget Bureau No. 41-R1258.4 
PRESSURE 
CORREC¬ 
TION 
BAROME¬ 
TER AS 
READ 
(in., mb., 
or mm.) 
13 
(GO */> 0 
DATE 
COMPARED 
BAROMETER 
CORRECTED 
(mb. ) 
14 
to 
'CODED 
Sea Level 
(mb.) 
15 
PPP 
0°/H 
AIR 
TEMP. 
( Round¬ 
ed) 
16 
TT 
z; 
TEMPERA¬ 
TURE 
DRY 
BULB 
WET 
BULB 
( Degrees 
and tenths) 
17 
l3(i 
18 
CLOUDS 
/ Coded) 
19 
N h 
0 
20 
Cl 
0 
21 
0 
1 
22 
0 
23 
C H 
24 
D s 
25 
vs 
3 
3-HOUR 
PRESSURE 
TENDENCY 
26 
c 
27 
PP 
h 
INSTRUCTIONS 
1 
Begin a new sheet: 
a. For the first observation of a new month. 
b. At the beginning of each voyage. 
c. Upon sailing from one octant to another. 
d. Upon sailing from one ocean to another. 
2. Fill in the blanks on each page of the form. (Name of 
vessel, barometer number, etc.) 
3. Enter the coded synoptic (0000, 0600, 1200, 1800 G.C.T.) 
or special weather observations in columns 1 through 44. 
Code the message in accordance with the "International 
Weather Code for Ships.” 
4. At end of each voyage, remove all forms with completed ob¬ 
servations and mail in the postage-free envelopes provided. 
5. Radio transmission—Copy coded data for radio transmission 
from the unshaded numbered groups of columns. Each 
code group consists of five figures with a slant (/) indi¬ 
cating missing data. Omit code group 8 and 9 in message 
if no data are availble. 
TEMPERATURE 
SEA 
WATER 
DIFF- 
AIR-SEA 
( —if air 
colder 
than sea) 
(Degrees and tenths) 
28 
Zf,Q 
29 
6,0 
DEW 
POINT 
( Whole 
degrees) 
30 
2-3 
31 
( Coded) 
DEW 
POINT 
( Round¬ 
ed ) 
32 
T S T S 
O 0 
33 
T d T d 
23 
WAVES ( Make 2 entries if 2nd pattern observed) 
SEA 
o 
(00-36) 
34 
35 
d w d w 
IZ- 
( Coded) 
36 
3 
X 
( Coded ) 
37 
y 
SWELL 
O 
( 00 - 36 ) 
38 
39 
d w d„ 
( Coded) 
x 
( Coded) 
40 
41 
REMARKS 
( Enter time of wind shifts, 
frontal passages, beginning 
and ending of precipita¬ 
tion, coded ice data, waves 
over 301/2 ft., etc.) 
42 
>o 
43 
44 
JO 
3o 
Jo 
6 
6 
6 
/ 
60 6 
/// 
06 
O 
13 
o(- 
0 
lo/l.j 
/O 
/N/ 
to 
/ 
Via 
23. y 
0 
o 
9 
0 
~L- 
i 
/0 
ziJ 
MW 
zJ 
of 
/ J 
j 
y 
/ 
C II 
h ) 
/ 
12 
/I 
/ y 
9i 
03 
o 
/v/6‘ 6 
h 
/o V 
z^i 
Z%£ 
ZlJ 
2- 
y 
0 
0 
8 
s 
02 - 
IH.J 
c, 3 
2 - y 
0 / 
t 3 
3 
V 
/ 
02 -/ 
//> 
/ 
18 
3 
/ 3 
H 
7f 
0 2 - 
/ 
/o'2 <0 
to 
/^y 
Z) 
ziS 
25 , o 
3 
Z 
y 
0 
e 
1 
c 
6~Z 
* U 
/ 
OtJ 
23*- 
Of 
/3 
3 
y 
/ 
02-/ 
//J 
/ 
n 
(3 
ft 
o 
/pci® 
(0 
09*/ 
Z) 
z0o 
UX 
z 
Z- 
y 
J 
o 
8 
9 
6 
Zd 
z(,C 
6'V 
Z.3 
Cl/ 
2? 
n 
1 
/ 
C 
/ 
12 
L-J 
/ 
y 
06 
fo 
0 
J- 
\ 
A 
J 
f / 
12 
y 
\ 
u 
/ 
7 
oo 
06 
12 
18 
00 
06 
12 
18 
10 
i i 
12 
13 
14 
15 
16 
17 
18 
19 
20 
22 
23 
24 
25 
26 
27 
28 
Q 
LaLaLa 
LoLnLo 
GG 
N 
dd 
W 
W 
PPP 
TT 
Nh 
Cl 
vs 
PP 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
TsT, 
T d T d 
d w d v 
H w 
d w d w 
Pw 
H*. 
