14 (日)	04:21	10:02	15:50	22:17
	128cm	49cm	137cm	30cm
大潮 出 05:48 入 17:40 出 06:31 入 18:21

苫小牧（北海道）2021年03月14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
3/14 00:00	48.1	↑3.6
3/14 00:10	51.9	↑3.8
3/14 00:20	55.9	↑4.0
3/14 00:30	60.1	↑4.2
3/14 00:40	64.5	↑4.4
3/14 00:50	69.0	↑4.5
3/14 01:00	73.6	↑4.6
3/14 01:10	78.2	↑4.6
3/14 01:20	82.8	↑4.6
3/14 01:30	87.3	↑4.5
3/14 01:40	91.7	↑4.4
3/14 01:50	96.0	↑4.3
3/14 02:00	100.0	↑4.0
3/14 02:10	103.8	↑3.8
3/14 02:20	107.3	↑3.5
3/14 02:30	110.6	↑3.3
3/14 02:40	113.6	↑3.0
3/14 02:50	116.2	↑2.6
3/14 03:00	118.6	↑2.4
3/14 03:10	120.7	↑2.1
3/14 03:20	122.4	↑1.7
3/14 03:30	123.9	↑1.5
3/14 03:40	125.1	↑1.2
3/14 03:50	126.0	↑0.9
3/14 04:00	126.6	↑0.6
3/14 04:10	127.0	↑0.4
3/14 04:20	127.1	↑0.1	満潮
3/14 04:30	127.0	↓-0.1
3/14 04:40	126.6	↓-0.4
3/14 04:50	126.0	↓-0.6
3/14 05:00	125.1	↓-0.9
3/14 05:10	123.9	↓-1.2
3/14 05:20	122.4	↓-1.5
3/14 05:30	120.7	↓-1.7
3/14 05:40	118.7	↓-2.0
3/14 05:50	116.4	↓-2.3
3/14 06:00	113.8	↓-2.6
3/14 06:10	111.0	↓-2.8
3/14 06:20	107.9	↓-3.1
3/14 06:30	104.5	↓-3.4
3/14 06:40	101.0	↓-3.5
3/14 06:50	97.3	↓-3.7
3/14 07:00	93.5	↓-3.8
3/14 07:10	89.6	↓-3.9
3/14 07:20	85.7	↓-3.9
3/14 07:30	81.8	↓-3.9
3/14 07:40	77.9	↓-3.9
3/14 07:50	74.2	↓-3.7
3/14 08:00	70.6	↓-3.6
3/14 08:10	67.2	↓-3.4
3/14 08:20	64.1	↓-3.1
3/14 08:30	61.2	↓-2.9
3/14 08:40	58.6	↓-2.6
3/14 08:50	56.3	↓-2.3
3/14 09:00	54.2	↓-2.1
3/14 09:10	52.6	↓-1.6
3/14 09:20	51.2	↓-1.4
3/14 09:30	50.1	↓-1.1
3/14 09:40	49.4	↓-0.7
3/14 09:50	48.9	↓-0.5
3/14 10:00	48.7	↓-0.2	干潮
3/14 10:10	48.8	↑0.1
3/14 10:20	49.2	↑0.4
3/14 10:30	49.8	↑0.6
3/14 10:40	50.8	↑1.0
3/14 10:50	51.9	↑1.1
3/14 11:00	53.4	↑1.5
3/14 11:10	55.1	↑1.7
3/14 11:20	57.1	↑2.0
3/14 11:30	59.3	↑2.2
3/14 11:40	61.8	↑2.5
3/14 11:50	64.6	↑2.8
3/14 12:00	67.7	↑3.1
3/14 12:10	71.0	↑3.3
3/14 12:20	74.6	↑3.6
3/14 12:30	78.4	↑3.8
3/14 12:40	82.3	↑3.9
3/14 12:50	86.5	↑4.2
3/14 13:00	90.7	↑4.2
3/14 13:10	95.0	↑4.3
3/14 13:20	99.3	↑4.3
3/14 13:30	103.6	↑4.3
3/14 13:40	107.8	↑4.2
3/14 13:50	111.8	↑4.0
3/14 14:00	115.7	↑3.9
3/14 14:10	119.3	↑3.6
3/14 14:20	122.6	↑3.3
3/14 14:30	125.7	↑3.1
3/14 14:40	128.4	↑2.7
3/14 14:50	130.7	↑2.3
3/14 15:00	132.7	↑2.0
3/14 15:10	134.3	↑1.6
3/14 15:20	135.5	↑1.2
3/14 15:30	136.3	↑0.8
3/14 15:40	136.8	↑0.5	満潮
3/14 15:50	136.9	↑0.1	満潮
3/14 16:00	136.7	↓-0.2
3/14 16:10	136.2	↓-0.5
3/14 16:20	135.4	↓-0.8
3/14 16:30	134.3	↓-1.1
3/14 16:40	133.0	↓-1.3
3/14 16:50	131.3	↓-1.7
3/14 17:00	129.5	↓-1.8
3/14 17:10	127.3	↓-2.2
3/14 17:20	124.9	↓-2.4
3/14 17:30	122.3	↓-2.6
3/14 17:40	119.4	↓-2.9
3/14 17:50	116.3	↓-3.1
3/14 18:00	112.9	↓-3.4
3/14 18:10	109.3	↓-3.6
3/14 18:20	105.5	↓-3.8
3/14 18:30	101.4	↓-4.1
3/14 18:40	97.2	↓-4.2
3/14 18:50	92.8	↓-4.4
3/14 19:00	88.2	↓-4.6
3/14 19:10	83.6	↓-4.6
3/14 19:20	78.9	↓-4.7	最大潮位差
3/14 19:30	74.2	↓-4.7	最大潮位差
3/14 19:40	69.6	↓-4.6
3/14 19:50	65.0	↓-4.6
3/14 20:00	60.6	↓-4.4
3/14 20:10	56.3	↓-4.3
3/14 20:20	52.3	↓-4.0
3/14 20:30	48.6	↓-3.7
3/14 20:40	45.1	↓-3.5
3/14 20:50	42.0	↓-3.1
3/14 21:00	39.2	↓-2.8
3/14 21:10	36.8	↓-2.4
3/14 21:20	34.7	↓-2.1
3/14 21:30	33.0	↓-1.7
3/14 21:40	31.7	↓-1.3
3/14 21:50	30.7	↓-1.0
3/14 22:00	30.0	↓-0.7
3/14 22:10	29.7	↓-0.3	干潮
3/14 22:20	29.7	0
3/14 22:30	29.9	↑0.2
3/14 22:40	30.5	↑0.6
3/14 22:50	31.3	↑0.8
3/14 23:00	32.4	↑1.1
3/14 23:10	33.8	↑1.4
3/14 23:20	35.4	↑1.6
3/14 23:30	37.3	↑1.9
3/14 23:40	39.5	↑2.2
3/14 23:50	41.9	↑2.4