31 (金)	07:42	00:20	17:55	12:33
	121cm	18cm	130cm	84cm
中潮 出 07:03 入 16:12 出 10:47 入 21:50

苫小牧（北海道）2038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	18.2	↓-0.8
12/31 00:10	17.8	↓-0.4	干潮
12/31 00:20	17.7	↓-0.1	干潮
12/31 00:30	17.9	↑0.2
12/31 00:40	18.3	↑0.4
12/31 00:50	19.0	↑0.7
12/31 01:00	19.9	↑0.9
12/31 01:10	21.1	↑1.2
12/31 01:20	22.5	↑1.4
12/31 01:30	24.0	↑1.5
12/31 01:40	25.8	↑1.8
12/31 01:50	27.9	↑2.1
12/31 02:00	30.1	↑2.2
12/31 02:10	32.6	↑2.5
12/31 02:20	35.3	↑2.7
12/31 02:30	38.2	↑2.9
12/31 02:40	41.3	↑3.1
12/31 02:50	44.7	↑3.4
12/31 03:00	48.3	↑3.6
12/31 03:10	52.0	↑3.7
12/31 03:20	56.0	↑4.0
12/31 03:30	60.0	↑4.0
12/31 03:40	64.2	↑4.2
12/31 03:50	68.5	↑4.3	最大潮位差
12/31 04:00	72.7	↑4.2
12/31 04:10	77.0	↑4.3	最大潮位差
12/31 04:20	81.2	↑4.2
12/31 04:30	85.2	↑4.0
12/31 04:40	89.2	↑4.0
12/31 04:50	92.9	↑3.7
12/31 05:00	96.5	↑3.6
12/31 05:10	99.8	↑3.3
12/31 05:20	102.9	↑3.1
12/31 05:30	105.6	↑2.7
12/31 05:40	108.2	↑2.6
12/31 05:50	110.4	↑2.2
12/31 06:00	112.4	↑2.0
12/31 06:10	114.1	↑1.7
12/31 06:20	115.6	↑1.5
12/31 06:30	116.9	↑1.3
12/31 06:40	117.9	↑1.0
12/31 06:50	118.8	↑0.9
12/31 07:00	119.5	↑0.7
12/31 07:10	120.1	↑0.6
12/31 07:20	120.4	↑0.3
12/31 07:30	120.7	↑0.3
12/31 07:40	120.8	↑0.1	満潮
12/31 07:50	120.7	↓-0.1
12/31 08:00	120.5	↓-0.2
12/31 08:10	120.1	↓-0.4
12/31 08:20	119.6	↓-0.5
12/31 08:30	118.9	↓-0.7
12/31 08:40	118.0	↓-0.9
12/31 08:50	116.9	↓-1.1
12/31 09:00	115.6	↓-1.3
12/31 09:10	114.1	↓-1.5
12/31 09:20	112.5	↓-1.6
12/31 09:30	110.7	↓-1.8
12/31 09:40	108.7	↓-2.0
12/31 09:50	106.7	↓-2.0
12/31 10:00	104.5	↓-2.2
12/31 10:10	102.3	↓-2.2
12/31 10:20	100.1	↓-2.2
12/31 10:30	97.9	↓-2.2
12/31 10:40	95.8	↓-2.1
12/31 10:50	93.8	↓-2.0
12/31 11:00	91.9	↓-1.9
12/31 11:10	90.1	↓-1.8
12/31 11:20	88.6	↓-1.5
12/31 11:30	87.2	↓-1.4
12/31 11:40	86.0	↓-1.2
12/31 11:50	85.1	↓-0.9
12/31 12:00	84.3	↓-0.8
12/31 12:10	83.8	↓-0.5
12/31 12:20	83.5	↓-0.3
12/31 12:30	83.3	↓-0.2	干潮
12/31 12:40	83.4	↑0.1
12/31 12:50	83.6	↑0.2
12/31 13:00	83.9	↑0.3
12/31 13:10	84.4	↑0.5
12/31 13:20	85.1	↑0.7
12/31 13:30	85.8	↑0.7
12/31 13:40	86.7	↑0.9
12/31 13:50	87.7	↑1.0
12/31 14:00	88.8	↑1.1
12/31 14:10	90.1	↑1.3
12/31 14:20	91.4	↑1.3
12/31 14:30	92.9	↑1.5
12/31 14:40	94.6	↑1.7
12/31 14:50	96.4	↑1.8
12/31 15:00	98.3	↑1.9
12/31 15:10	100.3	↑2.0
12/31 15:20	102.5	↑2.2
12/31 15:30	104.7	↑2.2
12/31 15:40	107.1	↑2.4
12/31 15:50	109.5	↑2.4
12/31 16:00	111.9	↑2.4
12/31 16:10	114.3	↑2.4
12/31 16:20	116.6	↑2.3
12/31 16:30	118.8	↑2.2
12/31 16:40	121.0	↑2.2
12/31 16:50	122.9	↑1.9
12/31 17:00	124.6	↑1.7
12/31 17:10	126.1	↑1.5
12/31 17:20	127.3	↑1.2
12/31 17:30	128.2	↑0.9
12/31 17:40	128.8	↑0.6
12/31 17:50	129.0	↑0.2	満潮
12/31 18:00	129.0	0
12/31 18:10	128.6	↓-0.4
12/31 18:20	128.0	↓-0.6
12/31 18:30	127.0	↓-1.0
12/31 18:40	125.8	↓-1.2
12/31 18:50	124.3	↓-1.5
12/31 19:00	122.7	↓-1.6
12/31 19:10	120.8	↓-1.9
12/31 19:20	118.7	↓-2.1
12/31 19:30	116.5	↓-2.2
12/31 19:40	114.1	↓-2.4
12/31 19:50	111.7	↓-2.4
12/31 20:00	109.1	↓-2.6
12/31 20:10	106.4	↓-2.7
12/31 20:20	103.6	↓-2.8
12/31 20:30	100.6	↓-3.0
12/31 20:40	97.6	↓-3.0
12/31 20:50	94.5	↓-3.1
12/31 21:00	91.3	↓-3.2
12/31 21:10	87.9	↓-3.4
12/31 21:20	84.5	↓-3.4
12/31 21:30	81.0	↓-3.5
12/31 21:40	77.4	↓-3.6
12/31 21:50	73.8	↓-3.6
12/31 22:00	70.1	↓-3.7
12/31 22:10	66.4	↓-3.7
12/31 22:20	62.8	↓-3.6
12/31 22:30	59.2	↓-3.6
12/31 22:40	55.7	↓-3.5
12/31 22:50	52.4	↓-3.3
12/31 23:00	49.2	↓-3.2
12/31 23:10	46.2	↓-3.0
12/31 23:20	43.4	↓-2.8
12/31 23:30	40.9	↓-2.5
12/31 23:40	38.6	↓-2.3
12/31 23:50	36.6	↓-2.0