12 (日)	03:24	09:00	14:52	21:24
	124cm	52cm	139cm	25cm
大潮 出 05:52 入 17:37 出 05:11 入 17:11

苫小牧（北海道）2051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	69.1	↑4.4
3/12 00:10	73.5	↑4.4
3/12 00:20	78.0	↑4.5
3/12 00:30	82.4	↑4.4
3/12 00:40	86.7	↑4.3
3/12 00:50	91.0	↑4.3
3/12 01:00	95.0	↑4.0
3/12 01:10	98.9	↑3.9
3/12 01:20	102.6	↑3.7
3/12 01:30	105.9	↑3.3
3/12 01:40	109.0	↑3.1
3/12 01:50	111.8	↑2.8
3/12 02:00	114.3	↑2.5
3/12 02:10	116.5	↑2.2
3/12 02:20	118.4	↑1.9
3/12 02:30	119.9	↑1.5
3/12 02:40	121.2	↑1.3
3/12 02:50	122.2	↑1.0
3/12 03:00	122.9	↑0.7
3/12 03:10	123.3	↑0.4
3/12 03:20	123.5	↑0.2	満潮
3/12 03:30	123.5	0
3/12 03:40	123.2	↓-0.3
3/12 03:50	122.6	↓-0.6
3/12 04:00	121.9	↓-0.7
3/12 04:10	120.9	↓-1.0
3/12 04:20	119.6	↓-1.3
3/12 04:30	118.2	↓-1.4
3/12 04:40	116.4	↓-1.8
3/12 04:50	114.5	↓-1.9
3/12 05:00	112.3	↓-2.2
3/12 05:10	109.8	↓-2.5
3/12 05:20	107.2	↓-2.6
3/12 05:30	104.3	↓-2.9
3/12 05:40	101.2	↓-3.1
3/12 05:50	97.9	↓-3.3
3/12 06:00	94.4	↓-3.5
3/12 06:10	90.9	↓-3.5
3/12 06:20	87.3	↓-3.6
3/12 06:30	83.7	↓-3.6
3/12 06:40	80.0	↓-3.7
3/12 06:50	76.5	↓-3.5
3/12 07:00	73.0	↓-3.5
3/12 07:10	69.7	↓-3.3
3/12 07:20	66.6	↓-3.1
3/12 07:30	63.7	↓-2.9
3/12 07:40	61.1	↓-2.6
3/12 07:50	58.8	↓-2.3
3/12 08:00	56.8	↓-2.0
3/12 08:10	55.1	↓-1.7
3/12 08:20	53.7	↓-1.4
3/12 08:30	52.6	↓-1.1
3/12 08:40	51.9	↓-0.7
3/12 08:50	51.5	↓-0.4	干潮
3/12 09:00	51.3	↓-0.2	干潮
3/12 09:10	51.5	↑0.2
3/12 09:20	51.9	↑0.4
3/12 09:30	52.6	↑0.7
3/12 09:40	53.6	↑1.0
3/12 09:50	54.8	↑1.2
3/12 10:00	56.3	↑1.5
3/12 10:10	58.0	↑1.7
3/12 10:20	59.9	↑1.9
3/12 10:30	62.1	↑2.2
3/12 10:40	64.4	↑2.3
3/12 10:50	67.1	↑2.7
3/12 11:00	69.9	↑2.8
3/12 11:10	73.0	↑3.1
3/12 11:20	76.3	↑3.3
3/12 11:30	79.8	↑3.5
3/12 11:40	83.5	↑3.7
3/12 11:50	87.4	↑3.9
3/12 12:00	91.4	↑4.0
3/12 12:10	95.5	↑4.1
3/12 12:20	99.6	↑4.1
3/12 12:30	103.8	↑4.2
3/12 12:40	107.9	↑4.1
3/12 12:50	111.9	↑4.0
3/12 13:00	115.8	↑3.9
3/12 13:10	119.5	↑3.7
3/12 13:20	123.0	↑3.5
3/12 13:30	126.2	↑3.2
3/12 13:40	129.0	↑2.8
3/12 13:50	131.6	↑2.6
3/12 14:00	133.7	↑2.1
3/12 14:10	135.5	↑1.8
3/12 14:20	136.9	↑1.4
3/12 14:30	137.9	↑1.0
3/12 14:40	138.5	↑0.6
3/12 14:50	138.7	↑0.2	満潮
3/12 15:00	138.6	↓-0.1
3/12 15:10	138.1	↓-0.5
3/12 15:20	137.3	↓-0.8
3/12 15:30	136.1	↓-1.2
3/12 15:40	134.7	↓-1.4
3/12 15:50	133.0	↓-1.7
3/12 16:00	131.0	↓-2.0
3/12 16:10	128.8	↓-2.2
3/12 16:20	126.4	↓-2.4
3/12 16:30	123.7	↓-2.7
3/12 16:40	120.7	↓-3.0
3/12 16:50	117.6	↓-3.1
3/12 17:00	114.2	↓-3.4
3/12 17:10	110.6	↓-3.6
3/12 17:20	106.7	↓-3.9
3/12 17:30	102.7	↓-4.0
3/12 17:40	98.5	↓-4.2
3/12 17:50	94.1	↓-4.4
3/12 18:00	89.5	↓-4.6
3/12 18:10	84.8	↓-4.7
3/12 18:20	80.0	↓-4.8
3/12 18:30	75.2	↓-4.8
3/12 18:40	70.3	↓-4.9	最大潮位差
3/12 18:50	65.5	↓-4.8
3/12 19:00	60.7	↓-4.8
3/12 19:10	56.1	↓-4.6
3/12 19:20	51.7	↓-4.4
3/12 19:30	47.5	↓-4.2
3/12 19:40	43.6	↓-3.9
3/12 19:50	40.0	↓-3.6
3/12 20:00	36.7	↓-3.3
3/12 20:10	33.8	↓-2.9
3/12 20:20	31.3	↓-2.5
3/12 20:30	29.1	↓-2.2
3/12 20:40	27.4	↓-1.7
3/12 20:50	26.0	↓-1.4
3/12 21:00	25.0	↓-1.0
3/12 21:10	24.4	↓-0.6
3/12 21:20	24.1	↓-0.3	干潮
3/12 21:30	24.1	0
3/12 21:40	24.5	↑0.4
3/12 21:50	25.2	↑0.7
3/12 22:00	26.2	↑1.0
3/12 22:10	27.4	↑1.2
3/12 22:20	29.0	↑1.6
3/12 22:30	30.7	↑1.7
3/12 22:40	32.8	↑2.1
3/12 22:50	35.1	↑2.3
3/12 23:00	37.7	↑2.6
3/12 23:10	40.5	↑2.8
3/12 23:20	43.6	↑3.1
3/12 23:30	46.9	↑3.3
3/12 23:40	50.5	↑3.6
3/12 23:50	54.4	↑3.9