31 (火)	03:44	07:47	13:20	20:50
	122cm	95cm	145cm	0cm
大潮 出 07:03 入 16:12 出 05:16 入 15:05

苫小牧（北海道）2013年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	72.8	↑4.3
12/31 00:10	77.0	↑4.2
12/31 00:20	81.1	↑4.1
12/31 00:30	85.1	↑4.0
12/31 00:40	88.9	↑3.8
12/31 00:50	92.5	↑3.6
12/31 01:00	95.9	↑3.4
12/31 01:10	99.1	↑3.2
12/31 01:20	102.1	↑3.0
12/31 01:30	104.8	↑2.7
12/31 01:40	107.3	↑2.5
12/31 01:50	109.5	↑2.2
12/31 02:00	111.6	↑2.1
12/31 02:10	113.4	↑1.8
12/31 02:20	115.0	↑1.6
12/31 02:30	116.4	↑1.4
12/31 02:40	117.6	↑1.2
12/31 02:50	118.7	↑1.1
12/31 03:00	119.5	↑0.8
12/31 03:10	120.2	↑0.7
12/31 03:20	120.7	↑0.5
12/31 03:30	121.0	↑0.3
12/31 03:40	121.2	↑0.2	満潮
12/31 03:50	121.1	↓-0.1
12/31 04:00	120.9	↓-0.2
12/31 04:10	120.5	↓-0.4
12/31 04:20	119.9	↓-0.6
12/31 04:30	119.1	↓-0.8
12/31 04:40	118.1	↓-1.0
12/31 04:50	116.9	↓-1.2
12/31 05:00	115.6	↓-1.3
12/31 05:10	114.1	↓-1.5
12/31 05:20	112.5	↓-1.6
12/31 05:30	110.8	↓-1.7
12/31 05:40	109.0	↓-1.8
12/31 05:50	107.3	↓-1.7
12/31 06:00	105.5	↓-1.8
12/31 06:10	103.7	↓-1.8
12/31 06:20	102.0	↓-1.7
12/31 06:30	100.4	↓-1.6
12/31 06:40	99.0	↓-1.4
12/31 06:50	97.7	↓-1.3
12/31 07:00	96.6	↓-1.1
12/31 07:10	95.7	↓-0.9
12/31 07:20	95.0	↓-0.7
12/31 07:30	94.5	↓-0.5
12/31 07:40	94.3	↓-0.2	干潮
12/31 07:50	94.3	0
12/31 08:00	94.5	↑0.2
12/31 08:10	94.8	↑0.3
12/31 08:20	95.4	↑0.6
12/31 08:30	96.1	↑0.7
12/31 08:40	97.0	↑0.9
12/31 08:50	98.1	↑1.1
12/31 09:00	99.3	↑1.2
12/31 09:10	100.6	↑1.3
12/31 09:20	102.0	↑1.4
12/31 09:30	103.5	↑1.5
12/31 09:40	105.1	↑1.6
12/31 09:50	106.8	↑1.7
12/31 10:00	108.7	↑1.9
12/31 10:10	110.6	↑1.9
12/31 10:20	112.6	↑2.0
12/31 10:30	114.7	↑2.1
12/31 10:40	116.9	↑2.2
12/31 10:50	119.2	↑2.3
12/31 11:00	121.5	↑2.3
12/31 11:10	123.9	↑2.4
12/31 11:20	126.3	↑2.4
12/31 11:30	128.6	↑2.3
12/31 11:40	131.0	↑2.4
12/31 11:50	133.3	↑2.3
12/31 12:00	135.5	↑2.2
12/31 12:10	137.5	↑2.0
12/31 12:20	139.4	↑1.9
12/31 12:30	141.0	↑1.6
12/31 12:40	142.4	↑1.4
12/31 12:50	143.5	↑1.1
12/31 13:00	144.3	↑0.8
12/31 13:10	144.8	↑0.5	満潮
12/31 13:20	145.0	↑0.2	満潮
12/31 13:30	144.8	↓-0.2
12/31 13:40	144.2	↓-0.6
12/31 13:50	143.3	↓-0.9
12/31 14:00	142.1	↓-1.2
12/31 14:10	140.5	↓-1.6
12/31 14:20	138.6	↓-1.9
12/31 14:30	136.5	↓-2.1
12/31 14:40	134.0	↓-2.5
12/31 14:50	131.3	↓-2.7
12/31 15:00	128.4	↓-2.9
12/31 15:10	125.3	↓-3.1
12/31 15:20	122.0	↓-3.3
12/31 15:30	118.4	↓-3.6
12/31 15:40	114.8	↓-3.6
12/31 15:50	110.9	↓-3.9
12/31 16:00	106.9	↓-4.0
12/31 16:10	102.7	↓-4.2
12/31 16:20	98.4	↓-4.3
12/31 16:30	93.9	↓-4.5
12/31 16:40	89.3	↓-4.6
12/31 16:50	84.6	↓-4.7
12/31 17:00	79.7	↓-4.9
12/31 17:10	74.7	↓-5.0
12/31 17:20	69.6	↓-5.1
12/31 17:30	64.5	↓-5.1
12/31 17:40	59.3	↓-5.2	最大潮位差
12/31 17:50	54.1	↓-5.2	最大潮位差
12/31 18:00	49.0	↓-5.1
12/31 18:10	43.9	↓-5.1
12/31 18:20	39.0	↓-4.9
12/31 18:30	34.2	↓-4.8
12/31 18:40	29.6	↓-4.6
12/31 18:50	25.2	↓-4.4
12/31 19:00	21.1	↓-4.1
12/31 19:10	17.4	↓-3.7
12/31 19:20	13.9	↓-3.5
12/31 19:30	10.8	↓-3.1
12/31 19:40	8.1	↓-2.7
12/31 19:50	5.8	↓-2.3
12/31 20:00	3.9	↓-1.9
12/31 20:10	2.3	↓-1.6
12/31 20:20	1.1	↓-1.2
12/31 20:30	0.3	↓-0.8
12/31 20:40	-0.2	↓-0.5	干潮
12/31 20:50	-0.3	↓-0.1	干潮
12/31 21:00	-0.1	↑0.2
12/31 21:10	0.4	↑0.5
12/31 21:20	1.2	↑0.8
12/31 21:30	2.3	↑1.1
12/31 21:40	3.7	↑1.4
12/31 21:50	5.3	↑1.6
12/31 22:00	7.3	↑2.0
12/31 22:10	9.5	↑2.2
12/31 22:20	12.0	↑2.5
12/31 22:30	14.7	↑2.7
12/31 22:40	17.8	↑3.1
12/31 22:50	21.1	↑3.3
12/31 23:00	24.7	↑3.6
12/31 23:10	28.5	↑3.8
12/31 23:20	32.6	↑4.1
12/31 23:30	36.9	↑4.3
12/31 23:40	41.4	↑4.5
12/31 23:50	46.1	↑4.7