31 (日)	03:38	07:48	13:19	20:47
	119cm	91cm	137cm	15cm
大潮 出 07:03 入 16:11 出 04:57 入 14:51

苫小牧（北海道）2051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	76.6	↑3.7
12/31 00:10	80.3	↑3.7
12/31 00:20	83.8	↑3.5
12/31 00:30	87.2	↑3.4
12/31 00:40	90.4	↑3.2
12/31 00:50	93.5	↑3.1
12/31 01:00	96.4	↑2.9
12/31 01:10	99.2	↑2.8
12/31 01:20	101.7	↑2.5
12/31 01:30	104.0	↑2.3
12/31 01:40	106.1	↑2.1
12/31 01:50	108.1	↑2.0
12/31 02:00	109.8	↑1.7
12/31 02:10	111.4	↑1.6
12/31 02:20	112.9	↑1.5
12/31 02:30	114.1	↑1.2
12/31 02:40	115.2	↑1.1
12/31 02:50	116.1	↑0.9
12/31 03:00	116.8	↑0.7
12/31 03:10	117.4	↑0.6
12/31 03:20	117.8	↑0.4
12/31 03:30	118.0	↑0.2	満潮
12/31 03:40	118.1	↑0.1
12/31 03:50	117.9	↓-0.2
12/31 04:00	117.6	↓-0.3
12/31 04:10	117.0	↓-0.6
12/31 04:20	116.3	↓-0.7
12/31 04:30	115.3	↓-1.0
12/31 04:40	114.2	↓-1.1
12/31 04:50	113.0	↓-1.2
12/31 05:00	111.5	↓-1.5
12/31 05:10	110.0	↓-1.5
12/31 05:20	108.3	↓-1.7
12/31 05:30	106.6	↓-1.7
12/31 05:40	104.8	↓-1.8
12/31 05:50	103.1	↓-1.7
12/31 06:00	101.3	↓-1.8
12/31 06:10	99.6	↓-1.7
12/31 06:20	98.0	↓-1.6
12/31 06:30	96.6	↓-1.4
12/31 06:40	95.2	↓-1.4
12/31 06:50	94.1	↓-1.1
12/31 07:00	93.1	↓-1.0
12/31 07:10	92.3	↓-0.8
12/31 07:20	91.6	↓-0.7
12/31 07:30	91.2	↓-0.4
12/31 07:40	91.0	↓-0.2	干潮
12/31 07:50	90.9	↓-0.1
12/31 08:00	91.1	↑0.2
12/31 08:10	91.4	↑0.3
12/31 08:20	91.8	↑0.4
12/31 08:30	92.4	↑0.6
12/31 08:40	93.2	↑0.8
12/31 08:50	94.0	↑0.8
12/31 09:00	95.0	↑1.0
12/31 09:10	96.1	↑1.1
12/31 09:20	97.3	↑1.2
12/31 09:30	98.6	↑1.3
12/31 09:40	100.0	↑1.4
12/31 09:50	101.6	↑1.6
12/31 10:00	103.2	↑1.6
12/31 10:10	105.0	↑1.8
12/31 10:20	106.8	↑1.8
12/31 10:30	108.8	↑2.0
12/31 10:40	110.9	↑2.1
12/31 10:50	113.0	↑2.1
12/31 11:00	115.2	↑2.2
12/31 11:10	117.5	↑2.3
12/31 11:20	119.7	↑2.2
12/31 11:30	122.0	↑2.3
12/31 11:40	124.2	↑2.2
12/31 11:50	126.3	↑2.1
12/31 12:00	128.3	↑2.0
12/31 12:10	130.1	↑1.8
12/31 12:20	131.8	↑1.7
12/31 12:30	133.3	↑1.5
12/31 12:40	134.5	↑1.2
12/31 12:50	135.4	↑0.9
12/31 13:00	136.1	↑0.7
12/31 13:10	136.5	↑0.4	満潮
12/31 13:20	136.6	↑0.1
12/31 13:30	136.4	↓-0.2
12/31 13:40	135.9	↓-0.5
12/31 13:50	135.1	↓-0.8
12/31 14:00	134.1	↓-1.0
12/31 14:10	132.8	↓-1.3
12/31 14:20	131.2	↓-1.6
12/31 14:30	129.4	↓-1.8
12/31 14:40	127.4	↓-2.0
12/31 14:50	125.2	↓-2.2
12/31 15:00	122.9	↓-2.3
12/31 15:10	120.3	↓-2.6
12/31 15:20	117.6	↓-2.7
12/31 15:30	114.7	↓-2.9
12/31 15:40	111.6	↓-3.1
12/31 15:50	108.4	↓-3.2
12/31 16:00	105.1	↓-3.3
12/31 16:10	101.5	↓-3.6
12/31 16:20	97.8	↓-3.7
12/31 16:30	94.0	↓-3.8
12/31 16:40	90.0	↓-4.0
12/31 16:50	85.9	↓-4.1
12/31 17:00	81.7	↓-4.2
12/31 17:10	77.3	↓-4.4
12/31 17:20	72.9	↓-4.4
12/31 17:30	68.4	↓-4.5	最大潮位差
12/31 17:40	63.9	↓-4.5	最大潮位差
12/31 17:50	59.4	↓-4.5	最大潮位差
12/31 18:00	54.9	↓-4.5	最大潮位差
12/31 18:10	50.6	↓-4.3
12/31 18:20	46.3	↓-4.3
12/31 18:30	42.3	↓-4.0
12/31 18:40	38.4	↓-3.9
12/31 18:50	34.8	↓-3.6
12/31 19:00	31.4	↓-3.4
12/31 19:10	28.3	↓-3.1
12/31 19:20	25.5	↓-2.8
12/31 19:30	23.0	↓-2.5
12/31 19:40	20.9	↓-2.1
12/31 19:50	19.0	↓-1.9
12/31 20:00	17.5	↓-1.5
12/31 20:10	16.3	↓-1.2
12/31 20:20	15.4	↓-0.9
12/31 20:30	14.8	↓-0.6
12/31 20:40	14.5	↓-0.3	干潮
12/31 20:50	14.5	0
12/31 21:00	14.7	↑0.2
12/31 21:10	15.2	↑0.5
12/31 21:20	16.0	↑0.8
12/31 21:30	16.9	↑0.9
12/31 21:40	18.2	↑1.3
12/31 21:50	19.7	↑1.5
12/31 22:00	21.4	↑1.7
12/31 22:10	23.4	↑2.0
12/31 22:20	25.7	↑2.3
12/31 22:30	28.2	↑2.5
12/31 22:40	31.0	↑2.8
12/31 22:50	34.0	↑3.0
12/31 23:00	37.3	↑3.3
12/31 23:10	40.8	↑3.5
12/31 23:20	44.6	↑3.8
12/31 23:30	48.5	↑3.9
12/31 23:40	52.6	↑4.1
12/31 23:50	56.8	↑4.2