20 (金)	05:35	11:32	17:22	23:42
	131cm	54cm	128cm	38cm
中潮 出 06:24 入 17:12 出 20:56 入 08:10

苫小牧（北海道）2060年02月20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
2/20 00:00	30.7	↑1.1
2/20 00:10	32.1	↑1.4
2/20 00:20	33.8	↑1.7
2/20 00:30	35.8	↑2.0
2/20 00:40	37.9	↑2.1
2/20 00:50	40.3	↑2.4
2/20 01:00	43.0	↑2.7
2/20 01:10	45.9	↑2.9
2/20 01:20	49.0	↑3.1
2/20 01:30	52.4	↑3.4
2/20 01:40	56.0	↑3.6
2/20 01:50	59.8	↑3.8
2/20 02:00	63.8	↑4.0
2/20 02:10	68.0	↑4.2
2/20 02:20	72.3	↑4.3
2/20 02:30	76.8	↑4.5
2/20 02:40	81.3	↑4.5
2/20 02:50	85.9	↑4.6	最大潮位差
2/20 03:00	90.4	↑4.5
2/20 03:10	94.9	↑4.5
2/20 03:20	99.3	↑4.4
2/20 03:30	103.6	↑4.3
2/20 03:40	107.6	↑4.0
2/20 03:50	111.4	↑3.8
2/20 04:00	114.9	↑3.5
2/20 04:10	118.0	↑3.1
2/20 04:20	120.9	↑2.9
2/20 04:30	123.3	↑2.4
2/20 04:40	125.4	↑2.1
2/20 04:50	127.1	↑1.7
2/20 05:00	128.4	↑1.3
2/20 05:10	129.4	↑1.0
2/20 05:20	130.0	↑0.6
2/20 05:30	130.3	↑0.3	満潮
2/20 05:40	130.2	↓-0.1
2/20 05:50	129.9	↓-0.3
2/20 06:00	129.3	↓-0.6
2/20 06:10	128.5	↓-0.8
2/20 06:20	127.4	↓-1.1
2/20 06:30	126.2	↓-1.2
2/20 06:40	124.7	↓-1.5
2/20 06:50	123.0	↓-1.7
2/20 07:00	121.2	↓-1.8
2/20 07:10	119.1	↓-2.1
2/20 07:20	116.9	↓-2.2
2/20 07:30	114.5	↓-2.4
2/20 07:40	111.9	↓-2.6
2/20 07:50	109.1	↓-2.8
2/20 08:00	106.1	↓-3.0
2/20 08:10	103.0	↓-3.1
2/20 08:20	99.8	↓-3.2
2/20 08:30	96.4	↓-3.4
2/20 08:40	92.9	↓-3.5
2/20 08:50	89.4	↓-3.5
2/20 09:00	85.8	↓-3.6
2/20 09:10	82.3	↓-3.5
2/20 09:20	78.7	↓-3.6
2/20 09:30	75.3	↓-3.4
2/20 09:40	72.0	↓-3.3
2/20 09:50	68.9	↓-3.1
2/20 10:00	66.0	↓-2.9
2/20 10:10	63.3	↓-2.7
2/20 10:20	61.0	↓-2.3
2/20 10:30	58.9	↓-2.1
2/20 10:40	57.1	↓-1.8
2/20 10:50	55.7	↓-1.4
2/20 11:00	54.6	↓-1.1
2/20 11:10	53.8	↓-0.8
2/20 11:20	53.3	↓-0.5
2/20 11:30	53.1	↓-0.2	干潮
2/20 11:40	53.2	↑0.1
2/20 11:50	53.6	↑0.4
2/20 12:00	54.2	↑0.6
2/20 12:10	55.1	↑0.9
2/20 12:20	56.2	↑1.1
2/20 12:30	57.5	↑1.3
2/20 12:40	58.9	↑1.4
2/20 12:50	60.6	↑1.7
2/20 13:00	62.4	↑1.8
2/20 13:10	64.4	↑2.0
2/20 13:20	66.6	↑2.2
2/20 13:30	68.9	↑2.3
2/20 13:40	71.4	↑2.5
2/20 13:50	74.1	↑2.7
2/20 14:00	77.0	↑2.9
2/20 14:10	80.0	↑3.0
2/20 14:20	83.1	↑3.1
2/20 14:30	86.4	↑3.3
2/20 14:40	89.8	↑3.4
2/20 14:50	93.3	↑3.5
2/20 15:00	96.8	↑3.5
2/20 15:10	100.3	↑3.5
2/20 15:20	103.7	↑3.4
2/20 15:30	107.1	↑3.4
2/20 15:40	110.4	↑3.3
2/20 15:50	113.5	↑3.1
2/20 16:00	116.3	↑2.8
2/20 16:10	118.9	↑2.6
2/20 16:20	121.3	↑2.4
2/20 16:30	123.3	↑2.0
2/20 16:40	124.9	↑1.6
2/20 16:50	126.2	↑1.3
2/20 17:00	127.2	↑1.0
2/20 17:10	127.8	↑0.6
2/20 17:20	128.0	↑0.2	満潮
2/20 17:30	127.9	↓-0.1
2/20 17:40	127.4	↓-0.5
2/20 17:50	126.6	↓-0.8
2/20 18:00	125.6	↓-1.0
2/20 18:10	124.3	↓-1.3
2/20 18:20	122.8	↓-1.5
2/20 18:30	121.0	↓-1.8
2/20 18:40	119.1	↓-1.9
2/20 18:50	117.0	↓-2.1
2/20 19:00	114.7	↓-2.3
2/20 19:10	112.2	↓-2.5
2/20 19:20	109.6	↓-2.6
2/20 19:30	106.9	↓-2.7
2/20 19:40	104.0	↓-2.9
2/20 19:50	101.0	↓-3.0
2/20 20:00	97.8	↓-3.2
2/20 20:10	94.6	↓-3.2
2/20 20:20	91.1	↓-3.5
2/20 20:30	87.6	↓-3.5
2/20 20:40	84.0	↓-3.6
2/20 20:50	80.3	↓-3.7
2/20 21:00	76.5	↓-3.8
2/20 21:10	72.7	↓-3.8
2/20 21:20	68.9	↓-3.8
2/20 21:30	65.2	↓-3.7
2/20 21:40	61.5	↓-3.7
2/20 21:50	58.0	↓-3.5
2/20 22:00	54.6	↓-3.4
2/20 22:10	51.5	↓-3.1
2/20 22:20	48.6	↓-2.9
2/20 22:30	46.0	↓-2.6
2/20 22:40	43.7	↓-2.3
2/20 22:50	41.7	↓-2.0
2/20 23:00	40.1	↓-1.6
2/20 23:10	38.8	↓-1.3
2/20 23:20	37.9	↓-0.9
2/20 23:30	37.4	↓-0.5
2/20 23:40	37.2	↓-0.2	干潮
2/20 23:50	37.3	↑0.1