12 (火)	04:39	10:34	16:33	22:54
	129cm	45cm	135cm	30cm
中潮 出 05:52 入 17:37 出 19:32 入 06:59

苫小牧（北海道）2058年03月12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
3/12 00:00	35.6	↑2.7
3/12 00:10	38.4	↑2.8
3/12 00:20	41.6	↑3.2
3/12 00:30	44.9	↑3.3
3/12 00:40	48.6	↑3.7
3/12 00:50	52.4	↑3.8
3/12 01:00	56.5	↑4.1
3/12 01:10	60.7	↑4.2
3/12 01:20	65.2	↑4.5
3/12 01:30	69.8	↑4.6
3/12 01:40	74.5	↑4.7
3/12 01:50	79.2	↑4.7
3/12 02:00	84.0	↑4.8	最大潮位差
3/12 02:10	88.8	↑4.8	最大潮位差
3/12 02:20	93.5	↑4.7
3/12 02:30	98.0	↑4.5
3/12 02:40	102.4	↑4.4
3/12 02:50	106.5	↑4.1
3/12 03:00	110.4	↑3.9
3/12 03:10	113.9	↑3.5
3/12 03:20	117.1	↑3.2
3/12 03:30	120.0	↑2.9
3/12 03:40	122.4	↑2.4
3/12 03:50	124.4	↑2.0
3/12 04:00	126.0	↑1.6
3/12 04:10	127.2	↑1.2
3/12 04:20	128.1	↑0.9
3/12 04:30	128.5	↑0.4	満潮
3/12 04:40	128.6	↑0.1
3/12 04:50	128.4	↓-0.2
3/12 05:00	127.9	↓-0.5
3/12 05:10	127.1	↓-0.8
3/12 05:20	126.1	↓-1.0
3/12 05:30	124.8	↓-1.3
3/12 05:40	123.2	↓-1.6
3/12 05:50	121.5	↓-1.7
3/12 06:00	119.5	↓-2.0
3/12 06:10	117.4	↓-2.1
3/12 06:20	115.1	↓-2.3
3/12 06:30	112.5	↓-2.6
3/12 06:40	109.8	↓-2.7
3/12 06:50	106.9	↓-2.9
3/12 07:00	103.8	↓-3.1
3/12 07:10	100.5	↓-3.3
3/12 07:20	97.1	↓-3.4
3/12 07:30	93.5	↓-3.6
3/12 07:40	89.8	↓-3.7
3/12 07:50	86.0	↓-3.8
3/12 08:00	82.1	↓-3.9
3/12 08:10	78.2	↓-3.9
3/12 08:20	74.4	↓-3.8
3/12 08:30	70.6	↓-3.8
3/12 08:40	67.0	↓-3.6
3/12 08:50	63.5	↓-3.5
3/12 09:00	60.2	↓-3.3
3/12 09:10	57.2	↓-3.0
3/12 09:20	54.4	↓-2.8
3/12 09:30	52.0	↓-2.4
3/12 09:40	49.9	↓-2.1
3/12 09:50	48.2	↓-1.7
3/12 10:00	46.8	↓-1.4
3/12 10:10	45.8	↓-1.0
3/12 10:20	45.2	↓-0.6
3/12 10:30	44.9	↓-0.3	干潮
3/12 10:40	44.9	0
3/12 10:50	45.3	↑0.4
3/12 11:00	46.0	↑0.7
3/12 11:10	46.9	↑0.9
3/12 11:20	48.2	↑1.3
3/12 11:30	49.6	↑1.4
3/12 11:40	51.3	↑1.7
3/12 11:50	53.2	↑1.9
3/12 12:00	55.3	↑2.1
3/12 12:10	57.6	↑2.3
3/12 12:20	60.1	↑2.5
3/12 12:30	62.7	↑2.6
3/12 12:40	65.6	↑2.9
3/12 12:50	68.7	↑3.1
3/12 13:00	71.9	↑3.2
3/12 13:10	75.3	↑3.4
3/12 13:20	78.9	↑3.6
3/12 13:30	82.7	↑3.8
3/12 13:40	86.5	↑3.8
3/12 13:50	90.5	↑4.0
3/12 14:00	94.6	↑4.1
3/12 14:10	98.7	↑4.1
3/12 14:20	102.8	↑4.1
3/12 14:30	106.8	↑4.0
3/12 14:40	110.7	↑3.9
3/12 14:50	114.5	↑3.8
3/12 15:00	118.0	↑3.5
3/12 15:10	121.3	↑3.3
3/12 15:20	124.3	↑3.0
3/12 15:30	127.0	↑2.7
3/12 15:40	129.3	↑2.3
3/12 15:50	131.2	↑1.9
3/12 16:00	132.7	↑1.5
3/12 16:10	133.8	↑1.1
3/12 16:20	134.5	↑0.7
3/12 16:30	134.8	↑0.3	満潮
3/12 16:40	134.7	↓-0.1
3/12 16:50	134.2	↓-0.5
3/12 17:00	133.4	↓-0.8
3/12 17:10	132.2	↓-1.2
3/12 17:20	130.8	↓-1.4
3/12 17:30	129.0	↓-1.8
3/12 17:40	127.1	↓-1.9
3/12 17:50	124.8	↓-2.3
3/12 18:00	122.4	↓-2.4
3/12 18:10	119.8	↓-2.6
3/12 18:20	117.0	↓-2.8
3/12 18:30	114.0	↓-3.0
3/12 18:40	110.8	↓-3.2
3/12 18:50	107.5	↓-3.3
3/12 19:00	103.9	↓-3.6
3/12 19:10	100.3	↓-3.6
3/12 19:20	96.4	↓-3.9
3/12 19:30	92.4	↓-4.0
3/12 19:40	88.3	↓-4.1
3/12 19:50	84.0	↓-4.3
3/12 20:00	79.7	↓-4.3
3/12 20:10	75.3	↓-4.4
3/12 20:20	70.9	↓-4.4
3/12 20:30	66.4	↓-4.5
3/12 20:40	62.1	↓-4.3
3/12 20:50	57.8	↓-4.3
3/12 21:00	53.7	↓-4.1
3/12 21:10	49.8	↓-3.9
3/12 21:20	46.2	↓-3.6
3/12 21:30	42.8	↓-3.4
3/12 21:40	39.8	↓-3.0
3/12 21:50	37.1	↓-2.7
3/12 22:00	34.8	↓-2.3
3/12 22:10	32.9	↓-1.9
3/12 22:20	31.4	↓-1.5
3/12 22:30	30.3	↓-1.1
3/12 22:40	29.6	↓-0.7
3/12 22:50	29.3	↓-0.3	干潮
3/12 23:00	29.4	↑0.1
3/12 23:10	29.9	↑0.5
3/12 23:20	30.7	↑0.8
3/12 23:30	31.8	↑1.1
3/12 23:40	33.2	↑1.4
3/12 23:50	34.8	↑1.6