31 (水)	02:31	06:09	11:48	19:38
	107cm	94cm	129cm	25cm
中潮 出 07:03 入 16:11 出 03:28 入 13:12

苫小牧（北海道）2059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	92.5	↑2.0
12/31 00:10	94.3	↑1.8
12/31 00:20	95.9	↑1.6
12/31 00:30	97.5	↑1.6
12/31 00:40	98.9	↑1.4
12/31 00:50	100.2	↑1.3
12/31 01:00	101.3	↑1.1
12/31 01:10	102.3	↑1.0
12/31 01:20	103.2	↑0.9
12/31 01:30	104.0	↑0.8
12/31 01:40	104.7	↑0.7
12/31 01:50	105.2	↑0.5
12/31 02:00	105.6	↑0.4
12/31 02:10	105.9	↑0.3
12/31 02:20	106.1	↑0.2
12/31 02:30	106.1	0	満潮
12/31 02:40	106.1	0
12/31 02:50	105.9	↓-0.2
12/31 03:00	105.6	↓-0.3
12/31 03:10	105.3	↓-0.3
12/31 03:20	104.8	↓-0.5
12/31 03:30	104.2	↓-0.6
12/31 03:40	103.5	↓-0.7
12/31 03:50	102.8	↓-0.7
12/31 04:00	102.0	↓-0.8
12/31 04:10	101.2	↓-0.8
12/31 04:20	100.3	↓-0.9
12/31 04:30	99.4	↓-0.9
12/31 04:40	98.5	↓-0.9
12/31 04:50	97.7	↓-0.8
12/31 05:00	96.9	↓-0.8
12/31 05:10	96.2	↓-0.7
12/31 05:20	95.5	↓-0.7
12/31 05:30	95.0	↓-0.5
12/31 05:40	94.5	↓-0.5
12/31 05:50	94.2	↓-0.3
12/31 06:00	94.0	↓-0.2	干潮
12/31 06:10	94.0	0
12/31 06:20	94.1	↑0.1
12/31 06:30	94.3	↑0.2
12/31 06:40	94.7	↑0.4
12/31 06:50	95.3	↑0.6
12/31 07:00	95.9	↑0.6
12/31 07:10	96.7	↑0.8
12/31 07:20	97.5	↑0.8
12/31 07:30	98.5	↑1.0
12/31 07:40	99.6	↑1.1
12/31 07:50	100.7	↑1.1
12/31 08:00	101.9	↑1.2
12/31 08:10	103.2	↑1.3
12/31 08:20	104.5	↑1.3
12/31 08:30	105.9	↑1.4
12/31 08:40	107.3	↑1.4
12/31 08:50	108.8	↑1.5
12/31 09:00	110.3	↑1.5
12/31 09:10	111.8	↑1.5
12/31 09:20	113.3	↑1.5
12/31 09:30	114.8	↑1.5
12/31 09:40	116.3	↑1.5
12/31 09:50	117.8	↑1.5
12/31 10:00	119.3	↑1.5
12/31 10:10	120.7	↑1.4
12/31 10:20	122.0	↑1.3
12/31 10:30	123.3	↑1.3
12/31 10:40	124.5	↑1.2
12/31 10:50	125.5	↑1.0
12/31 11:00	126.5	↑1.0
12/31 11:10	127.3	↑0.8
12/31 11:20	127.9	↑0.6
12/31 11:30	128.3	↑0.4
12/31 11:40	128.6	↑0.3	満潮
12/31 11:50	128.6	0
12/31 12:00	128.4	↓-0.2
12/31 12:10	128.0	↓-0.4
12/31 12:20	127.4	↓-0.6
12/31 12:30	126.6	↓-0.8
12/31 12:40	125.5	↓-1.1
12/31 12:50	124.3	↓-1.2
12/31 13:00	122.8	↓-1.5
12/31 13:10	121.2	↓-1.6
12/31 13:20	119.3	↓-1.9
12/31 13:30	117.4	↓-1.9
12/31 13:40	115.2	↓-2.2
12/31 13:50	113.0	↓-2.2
12/31 14:00	110.5	↓-2.5
12/31 14:10	108.0	↓-2.5
12/31 14:20	105.4	↓-2.6
12/31 14:30	102.6	↓-2.8
12/31 14:40	99.8	↓-2.8
12/31 14:50	96.8	↓-3.0
12/31 15:00	93.8	↓-3.0
12/31 15:10	90.6	↓-3.2
12/31 15:20	87.4	↓-3.2
12/31 15:30	84.1	↓-3.3
12/31 15:40	80.8	↓-3.3
12/31 15:50	77.4	↓-3.4
12/31 16:00	73.9	↓-3.5	最大潮位差
12/31 16:10	70.4	↓-3.5	最大潮位差
12/31 16:20	66.9	↓-3.5	最大潮位差
12/31 16:30	63.4	↓-3.5	最大潮位差
12/31 16:40	59.9	↓-3.5	最大潮位差
12/31 16:50	56.5	↓-3.4
12/31 17:00	53.2	↓-3.3
12/31 17:10	49.9	↓-3.3
12/31 17:20	46.7	↓-3.2
12/31 17:30	43.7	↓-3.0
12/31 17:40	40.9	↓-2.8
12/31 17:50	38.2	↓-2.7
12/31 18:00	35.8	↓-2.4
12/31 18:10	33.5	↓-2.3
12/31 18:20	31.5	↓-2.0
12/31 18:30	29.8	↓-1.7
12/31 18:40	28.3	↓-1.5
12/31 18:50	27.0	↓-1.3
12/31 19:00	26.0	↓-1.0
12/31 19:10	25.2	↓-0.8
12/31 19:20	24.7	↓-0.5
12/31 19:30	24.4	↓-0.3	干潮
12/31 19:40	24.4	0
12/31 19:50	24.5	↑0.1
12/31 20:00	24.9	↑0.4
12/31 20:10	25.5	↑0.6
12/31 20:20	26.4	↑0.9
12/31 20:30	27.4	↑1.0
12/31 20:40	28.6	↑1.2
12/31 20:50	30.0	↑1.4
12/31 21:00	31.6	↑1.6
12/31 21:10	33.4	↑1.8
12/31 21:20	35.4	↑2.0
12/31 21:30	37.6	↑2.2
12/31 21:40	39.9	↑2.3
12/31 21:50	42.5	↑2.6
12/31 22:00	45.2	↑2.7
12/31 22:10	48.0	↑2.8
12/31 22:20	51.0	↑3.0
12/31 22:30	54.2	↑3.2
12/31 22:40	57.4	↑3.2
12/31 22:50	60.7	↑3.3
12/31 23:00	64.1	↑3.4
12/31 23:10	67.5	↑3.4
12/31 23:20	70.9	↑3.4
12/31 23:30	74.3	↑3.4
12/31 23:40	77.7	↑3.4
12/31 23:50	80.9	↑3.2