31 (金)	02:51	07:01	12:49	20:17
	112cm	91cm	132cm	20cm
大潮 出 07:03 入 16:11 出 14:18 入 04:03

苫小牧（北海道）2055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	88.8	↑2.8
12/31 00:10	91.5	↑2.7
12/31 00:20	94.0	↑2.5
12/31 00:30	96.3	↑2.3
12/31 00:40	98.5	↑2.2
12/31 00:50	100.4	↑1.9
12/31 01:00	102.2	↑1.8
12/31 01:10	103.8	↑1.6
12/31 01:20	105.2	↑1.4
12/31 01:30	106.5	↑1.3
12/31 01:40	107.6	↑1.1
12/31 01:50	108.5	↑0.9
12/31 02:00	109.3	↑0.8
12/31 02:10	109.9	↑0.6
12/31 02:20	110.4	↑0.5
12/31 02:30	110.7	↑0.3
12/31 02:40	110.9	↑0.2
12/31 02:50	111.0	↑0.1	満潮
12/31 03:00	110.9	↓-0.1
12/31 03:10	110.7	↓-0.2
12/31 03:20	110.4	↓-0.3
12/31 03:30	109.9	↓-0.5
12/31 03:40	109.3	↓-0.6
12/31 03:50	108.5	↓-0.8
12/31 04:00	107.7	↓-0.8
12/31 04:10	106.7	↓-1.0
12/31 04:20	105.5	↓-1.2
12/31 04:30	104.3	↓-1.2
12/31 04:40	103.1	↓-1.2
12/31 04:50	101.7	↓-1.4
12/31 05:00	100.4	↓-1.3
12/31 05:10	99.0	↓-1.4
12/31 05:20	97.7	↓-1.3
12/31 05:30	96.4	↓-1.3
12/31 05:40	95.2	↓-1.2
12/31 05:50	94.0	↓-1.2
12/31 06:00	93.0	↓-1.0
12/31 06:10	92.1	↓-0.9
12/31 06:20	91.4	↓-0.7
12/31 06:30	90.8	↓-0.6
12/31 06:40	90.4	↓-0.4
12/31 06:50	90.1	↓-0.3
12/31 07:00	90.0	↓-0.1	干潮
12/31 07:10	90.1	↑0.1
12/31 07:20	90.4	↑0.3
12/31 07:30	90.7	↑0.3
12/31 07:40	91.3	↑0.6
12/31 07:50	91.9	↑0.6
12/31 08:00	92.7	↑0.8
12/31 08:10	93.5	↑0.8
12/31 08:20	94.5	↑1.0
12/31 08:30	95.5	↑1.0
12/31 08:40	96.7	↑1.2
12/31 08:50	97.9	↑1.2
12/31 09:00	99.2	↑1.3
12/31 09:10	100.5	↑1.3
12/31 09:20	102.0	↑1.5
12/31 09:30	103.5	↑1.5
12/31 09:40	105.1	↑1.6
12/31 09:50	106.7	↑1.6
12/31 10:00	108.4	↑1.7
12/31 10:10	110.2	↑1.8
12/31 10:20	112.0	↑1.8
12/31 10:30	113.9	↑1.9
12/31 10:40	115.8	↑1.9
12/31 10:50	117.6	↑1.8
12/31 11:00	119.5	↑1.9
12/31 11:10	121.3	↑1.8
12/31 11:20	123.0	↑1.7
12/31 11:30	124.7	↑1.7
12/31 11:40	126.2	↑1.5
12/31 11:50	127.6	↑1.4
12/31 12:00	128.8	↑1.2
12/31 12:10	129.8	↑1.0
12/31 12:20	130.6	↑0.8
12/31 12:30	131.1	↑0.5
12/31 12:40	131.4	↑0.3	満潮
12/31 12:50	131.5	↑0.1
12/31 13:00	131.3	↓-0.2
12/31 13:10	130.9	↓-0.4
12/31 13:20	130.2	↓-0.7
12/31 13:30	129.3	↓-0.9
12/31 13:40	128.2	↓-1.1
12/31 13:50	126.9	↓-1.3
12/31 14:00	125.3	↓-1.6
12/31 14:10	123.6	↓-1.7
12/31 14:20	121.7	↓-1.9
12/31 14:30	119.6	↓-2.1
12/31 14:40	117.3	↓-2.3
12/31 14:50	114.9	↓-2.4
12/31 15:00	112.3	↓-2.6
12/31 15:10	109.6	↓-2.7
12/31 15:20	106.7	↓-2.9
12/31 15:30	103.7	↓-3.0
12/31 15:40	100.5	↓-3.2
12/31 15:50	97.1	↓-3.4
12/31 16:00	93.6	↓-3.5
12/31 16:10	90.0	↓-3.6
12/31 16:20	86.2	↓-3.8
12/31 16:30	82.3	↓-3.9
12/31 16:40	78.3	↓-4.0
12/31 16:50	74.3	↓-4.0
12/31 17:00	70.1	↓-4.2	最大潮位差
12/31 17:10	66.0	↓-4.1
12/31 17:20	61.8	↓-4.2	最大潮位差
12/31 17:30	57.7	↓-4.1
12/31 17:40	53.6	↓-4.1
12/31 17:50	49.6	↓-4.0
12/31 18:00	45.8	↓-3.8
12/31 18:10	42.1	↓-3.7
12/31 18:20	38.7	↓-3.4
12/31 18:30	35.5	↓-3.2
12/31 18:40	32.5	↓-3.0
12/31 18:50	29.8	↓-2.7
12/31 19:00	27.4	↓-2.4
12/31 19:10	25.3	↓-2.1
12/31 19:20	23.5	↓-1.8
12/31 19:30	22.0	↓-1.5
12/31 19:40	20.9	↓-1.1
12/31 19:50	20.0	↓-0.9
12/31 20:00	19.4	↓-0.6
12/31 20:10	19.1	↓-0.3	干潮
12/31 20:20	19.1	0
12/31 20:30	19.3	↑0.2
12/31 20:40	19.8	↑0.5
12/31 20:50	20.6	↑0.8
12/31 21:00	21.6	↑1.0
12/31 21:10	22.9	↑1.3
12/31 21:20	24.4	↑1.5
12/31 21:30	26.1	↑1.7
12/31 21:40	28.1	↑2.0
12/31 21:50	30.4	↑2.3
12/31 22:00	32.9	↑2.5
12/31 22:10	35.6	↑2.7
12/31 22:20	38.5	↑2.9
12/31 22:30	41.7	↑3.2
12/31 22:40	45.0	↑3.3
12/31 22:50	48.6	↑3.6
12/31 23:00	52.3	↑3.7
12/31 23:10	56.1	↑3.8
12/31 23:20	60.0	↑3.9
12/31 23:30	64.0	↑4.0
12/31 23:40	68.1	↑4.1
12/31 23:50	72.1	↑4.0