31 (木)	05:43	10:18	15:47	22:55
	129cm	86cm	147cm	9cm
中潮 出 07:03 入 16:12 出 08:23 入 18:24

苫小牧（北海道）2054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	18.9	↑2.7
12/31 00:10	21.8	↑2.9
12/31 00:20	25.1	↑3.3
12/31 00:30	28.6	↑3.5
12/31 00:40	32.5	↑3.9
12/31 00:50	36.6	↑4.1
12/31 01:00	40.9	↑4.3
12/31 01:10	45.5	↑4.6
12/31 01:20	50.3	↑4.8
12/31 01:30	55.3	↑5.0
12/31 01:40	60.3	↑5.0
12/31 01:50	65.5	↑5.2	最大潮位差
12/31 02:00	70.6	↑5.1
12/31 02:10	75.7	↑5.1
12/31 02:20	80.7	↑5.0
12/31 02:30	85.5	↑4.8
12/31 02:40	90.2	↑4.7
12/31 02:50	94.6	↑4.4
12/31 03:00	98.8	↑4.2
12/31 03:10	102.7	↑3.9
12/31 03:20	106.4	↑3.7
12/31 03:30	109.7	↑3.3
12/31 03:40	112.7	↑3.0
12/31 03:50	115.4	↑2.7
12/31 04:00	117.8	↑2.4
12/31 04:10	119.9	↑2.1
12/31 04:20	121.7	↑1.8
12/31 04:30	123.3	↑1.6
12/31 04:40	124.7	↑1.4
12/31 04:50	125.8	↑1.1
12/31 05:00	126.8	↑1.0
12/31 05:10	127.5	↑0.7
12/31 05:20	128.0	↑0.5
12/31 05:30	128.4	↑0.4
12/31 05:40	128.5	↑0.1	満潮
12/31 05:50	128.5	0
12/31 06:00	128.2	↓-0.3
12/31 06:10	127.7	↓-0.5
12/31 06:20	126.9	↓-0.8
12/31 06:30	125.9	↓-1.0
12/31 06:40	124.7	↓-1.2
12/31 06:50	123.2	↓-1.5
12/31 07:00	121.5	↓-1.7
12/31 07:10	119.6	↓-1.9
12/31 07:20	117.4	↓-2.2
12/31 07:30	115.1	↓-2.3
12/31 07:40	112.6	↓-2.5
12/31 07:50	110.0	↓-2.6
12/31 08:00	107.4	↓-2.6
12/31 08:10	104.7	↓-2.7
12/31 08:20	102.1	↓-2.6
12/31 08:30	99.5	↓-2.6
12/31 08:40	97.1	↓-2.4
12/31 08:50	94.8	↓-2.3
12/31 09:00	92.7	↓-2.1
12/31 09:10	90.8	↓-1.9
12/31 09:20	89.2	↓-1.6
12/31 09:30	87.8	↓-1.4
12/31 09:40	86.7	↓-1.1
12/31 09:50	85.9	↓-0.8
12/31 10:00	85.4	↓-0.5
12/31 10:10	85.1	↓-0.3	干潮
12/31 10:20	85.0	↓-0.1
12/31 10:30	85.2	↑0.2
12/31 10:40	85.6	↑0.4
12/31 10:50	86.2	↑0.6
12/31 11:00	86.9	↑0.7
12/31 11:10	87.9	↑1.0
12/31 11:20	88.9	↑1.0
12/31 11:30	90.2	↑1.3
12/31 11:40	91.6	↑1.4
12/31 11:50	93.1	↑1.5
12/31 12:00	94.8	↑1.7
12/31 12:10	96.6	↑1.8
12/31 12:20	98.7	↑2.1
12/31 12:30	100.8	↑2.1
12/31 12:40	103.2	↑2.4
12/31 12:50	105.7	↑2.5
12/31 13:00	108.4	↑2.7
12/31 13:10	111.2	↑2.8
12/31 13:20	114.1	↑2.9
12/31 13:30	117.1	↑3.0
12/31 13:40	120.2	↑3.1
12/31 13:50	123.4	↑3.2
12/31 14:00	126.5	↑3.1
12/31 14:10	129.5	↑3.0
12/31 14:20	132.4	↑2.9
12/31 14:30	135.2	↑2.8
12/31 14:40	137.7	↑2.5
12/31 14:50	139.9	↑2.2
12/31 15:00	141.9	↑2.0
12/31 15:10	143.5	↑1.6
12/31 15:20	144.8	↑1.3
12/31 15:30	145.6	↑0.8
12/31 15:40	146.0	↑0.4	満潮
12/31 15:50	146.1	↑0.1
12/31 16:00	145.7	↓-0.4
12/31 16:10	145.0	↓-0.7
12/31 16:20	143.8	↓-1.2
12/31 16:30	142.3	↓-1.5
12/31 16:40	140.5	↓-1.8
12/31 16:50	138.4	↓-2.1
12/31 17:00	136.0	↓-2.4
12/31 17:10	133.4	↓-2.6
12/31 17:20	130.5	↓-2.9
12/31 17:30	127.5	↓-3.0
12/31 17:40	124.2	↓-3.3
12/31 17:50	120.8	↓-3.4
12/31 18:00	117.2	↓-3.6
12/31 18:10	113.4	↓-3.8
12/31 18:20	109.4	↓-4.0
12/31 18:30	105.3	↓-4.1
12/31 18:40	101.1	↓-4.2
12/31 18:50	96.6	↓-4.5
12/31 19:00	92.0	↓-4.6
12/31 19:10	87.3	↓-4.7
12/31 19:20	82.4	↓-4.9
12/31 19:30	77.4	↓-5.0
12/31 19:40	72.3	↓-5.1
12/31 19:50	67.1	↓-5.2	最大潮位差
12/31 20:00	61.9	↓-5.2	最大潮位差
12/31 20:10	56.8	↓-5.1
12/31 20:20	51.7	↓-5.1
12/31 20:30	46.7	↓-5.0
12/31 20:40	41.8	↓-4.9
12/31 20:50	37.2	↓-4.6
12/31 21:00	32.8	↓-4.4
12/31 21:10	28.7	↓-4.1
12/31 21:20	25.0	↓-3.7
12/31 21:30	21.6	↓-3.4
12/31 21:40	18.6	↓-3.0
12/31 21:50	16.0	↓-2.6
12/31 22:00	13.8	↓-2.2
12/31 22:10	12.0	↓-1.8
12/31 22:20	10.6	↓-1.4
12/31 22:30	9.6	↓-1.0
12/31 22:40	9.0	↓-0.6
12/31 22:50	8.7	↓-0.3	干潮
12/31 23:00	8.7	0
12/31 23:10	9.1	↑0.4
12/31 23:20	9.7	↑0.6
12/31 23:30	10.6	↑0.9
12/31 23:40	11.8	↑1.2
12/31 23:50	13.3	↑1.5