4 (土)	04:56	10:49	16:48	23:13
	132cm	45cm	140cm	27cm
中潮 出 06:04 入 17:28 出 20:10 入 07:30

苫小牧（北海道）2056年03月4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
3/4 00:00	26.3	↑2.4
3/4 00:10	29.0	↑2.7
3/4 00:20	32.0	↑3.0
3/4 00:30	35.3	↑3.3
3/4 00:40	38.8	↑3.5
3/4 00:50	42.6	↑3.8
3/4 01:00	46.7	↑4.1
3/4 01:10	51.0	↑4.3
3/4 01:20	55.5	↑4.5
3/4 01:30	60.3	↑4.8
3/4 01:40	65.2	↑4.9
3/4 01:50	70.3	↑5.1
3/4 02:00	75.4	↑5.1
3/4 02:10	80.6	↑5.2	最大潮位差
3/4 02:20	85.8	↑5.2	最大潮位差
3/4 02:30	90.9	↑5.1
3/4 02:40	95.9	↑5.0
3/4 02:50	100.7	↑4.8
3/4 03:00	105.3	↑4.6
3/4 03:10	109.6	↑4.3
3/4 03:20	113.5	↑3.9
3/4 03:30	117.1	↑3.6
3/4 03:40	120.3	↑3.2
3/4 03:50	123.1	↑2.8
3/4 04:00	125.5	↑2.4
3/4 04:10	127.4	↑1.9
3/4 04:20	129.0	↑1.6
3/4 04:30	130.1	↑1.1
3/4 04:40	130.8	↑0.7
3/4 04:50	131.2	↑0.4	満潮
3/4 05:00	131.2	0
3/4 05:10	130.8	↓-0.4
3/4 05:20	130.2	↓-0.6
3/4 05:30	129.3	↓-0.9
3/4 05:40	128.2	↓-1.1
3/4 05:50	126.7	↓-1.5
3/4 06:00	125.1	↓-1.6
3/4 06:10	123.2	↓-1.9
3/4 06:20	121.1	↓-2.1
3/4 06:30	118.8	↓-2.3
3/4 06:40	116.3	↓-2.5
3/4 06:50	113.6	↓-2.7
3/4 07:00	110.6	↓-3.0
3/4 07:10	107.4	↓-3.2
3/4 07:20	104.1	↓-3.3
3/4 07:30	100.5	↓-3.6
3/4 07:40	96.8	↓-3.7
3/4 07:50	92.9	↓-3.9
3/4 08:00	89.0	↓-3.9
3/4 08:10	84.9	↓-4.1
3/4 08:20	80.8	↓-4.1
3/4 08:30	76.7	↓-4.1
3/4 08:40	72.7	↓-4.0
3/4 08:50	68.8	↓-3.9
3/4 09:00	65.0	↓-3.8
3/4 09:10	61.5	↓-3.5
3/4 09:20	58.2	↓-3.3
3/4 09:30	55.2	↓-3.0
3/4 09:40	52.5	↓-2.7
3/4 09:50	50.2	↓-2.3
3/4 10:00	48.2	↓-2.0
3/4 10:10	46.7	↓-1.5
3/4 10:20	45.5	↓-1.2
3/4 10:30	44.7	↓-0.8
3/4 10:40	44.2	↓-0.5	干潮
3/4 10:50	44.1	↓-0.1
3/4 11:00	44.4	↑0.3
3/4 11:10	44.9	↑0.5
3/4 11:20	45.8	↑0.9
3/4 11:30	46.9	↑1.1
3/4 11:40	48.3	↑1.4
3/4 11:50	50.0	↑1.7
3/4 12:00	51.8	↑1.8
3/4 12:10	53.9	↑2.1
3/4 12:20	56.2	↑2.3
3/4 12:30	58.8	↑2.6
3/4 12:40	61.5	↑2.7
3/4 12:50	64.4	↑2.9
3/4 13:00	67.6	↑3.2
3/4 13:10	71.0	↑3.4
3/4 13:20	74.5	↑3.5
3/4 13:30	78.3	↑3.8
3/4 13:40	82.2	↑3.9
3/4 13:50	86.3	↑4.1
3/4 14:00	90.5	↑4.2
3/4 14:10	94.8	↑4.3
3/4 14:20	99.2	↑4.4
3/4 14:30	103.6	↑4.4
3/4 14:40	107.9	↑4.3
3/4 14:50	112.1	↑4.2
3/4 15:00	116.2	↑4.1
3/4 15:10	120.1	↑3.9
3/4 15:20	123.7	↑3.6
3/4 15:30	127.1	↑3.4
3/4 15:40	130.1	↑3.0
3/4 15:50	132.7	↑2.6
3/4 16:00	134.9	↑2.2
3/4 16:10	136.7	↑1.8
3/4 16:20	138.0	↑1.3
3/4 16:30	139.0	↑1.0
3/4 16:40	139.5	↑0.5	満潮
3/4 16:50	139.6	↑0.1
3/4 17:00	139.3	↓-0.3
3/4 17:10	138.6	↓-0.7
3/4 17:20	137.6	↓-1.0
3/4 17:30	136.2	↓-1.4
3/4 17:40	134.6	↓-1.6
3/4 17:50	132.7	↓-1.9
3/4 18:00	130.5	↓-2.2
3/4 18:10	128.1	↓-2.4
3/4 18:20	125.5	↓-2.6
3/4 18:30	122.7	↓-2.8
3/4 18:40	119.6	↓-3.1
3/4 18:50	116.4	↓-3.2
3/4 19:00	112.9	↓-3.5
3/4 19:10	109.3	↓-3.6
3/4 19:20	105.5	↓-3.8
3/4 19:30	101.5	↓-4.0
3/4 19:40	97.3	↓-4.2
3/4 19:50	92.9	↓-4.4
3/4 20:00	88.4	↓-4.5
3/4 20:10	83.7	↓-4.7
3/4 20:20	79.0	↓-4.7
3/4 20:30	74.2	↓-4.8
3/4 20:40	69.5	↓-4.7
3/4 20:50	64.7	↓-4.8
3/4 21:00	60.0	↓-4.7
3/4 21:10	55.5	↓-4.5
3/4 21:20	51.2	↓-4.3
3/4 21:30	47.1	↓-4.1
3/4 21:40	43.2	↓-3.9
3/4 21:50	39.7	↓-3.5
3/4 22:00	36.6	↓-3.1
3/4 22:10	33.8	↓-2.8
3/4 22:20	31.5	↓-2.3
3/4 22:30	29.6	↓-1.9
3/4 22:40	28.1	↓-1.5
3/4 22:50	27.0	↓-1.1
3/4 23:00	26.3	↓-0.7
3/4 23:10	26.0	↓-0.3	干潮
3/4 23:20	26.1	↑0.1
3/4 23:30	26.6	↑0.5
3/4 23:40	27.4	↑0.8
3/4 23:50	28.6	↑1.2