1 (日)	00:20	02:15	08:10	17:05
	96cm	95cm	109cm	40cm
若潮 出 05:17 入 18:01 出 11:45 入 01:35

苫小牧（北海道）2012年04月1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
4/1 00:00	95.6	↑0.1
4/1 00:10	95.6	0	満潮
4/1 00:20	95.7	↑0.1	満潮
4/1 00:30	95.6	↓-0.1
4/1 00:40	95.6	0
4/1 00:50	95.5	↓-0.1
4/1 01:00	95.4	↓-0.1
4/1 01:10	95.2	↓-0.2
4/1 01:20	95.1	↓-0.1
4/1 01:30	95.0	↓-0.1
4/1 01:40	94.9	↓-0.1
4/1 01:50	94.8	↓-0.1
4/1 02:00	94.7	↓-0.1
4/1 02:10	94.7	0	干潮
4/1 02:20	94.7	0
4/1 02:30	94.7	0
4/1 02:40	94.8	↑0.1
4/1 02:50	94.9	↑0.1
4/1 03:00	95.1	↑0.2
4/1 03:10	95.3	↑0.2
4/1 03:20	95.5	↑0.2
4/1 03:30	95.8	↑0.3
4/1 03:40	96.1	↑0.3
4/1 03:50	96.5	↑0.4
4/1 04:00	96.8	↑0.3
4/1 04:10	97.2	↑0.4
4/1 04:20	97.6	↑0.4
4/1 04:30	98.1	↑0.5
4/1 04:40	98.5	↑0.4
4/1 04:50	99.0	↑0.5
4/1 05:00	99.5	↑0.5
4/1 05:10	100.0	↑0.5
4/1 05:20	100.5	↑0.5
4/1 05:30	101.1	↑0.6
4/1 05:40	101.7	↑0.6
4/1 05:50	102.3	↑0.6
4/1 06:00	102.9	↑0.6
4/1 06:10	103.5	↑0.6
4/1 06:20	104.1	↑0.6
4/1 06:30	104.7	↑0.6
4/1 06:40	105.3	↑0.6
4/1 06:50	105.8	↑0.5
4/1 07:00	106.4	↑0.6
4/1 07:10	106.8	↑0.4
4/1 07:20	107.3	↑0.5
4/1 07:30	107.7	↑0.4
4/1 07:40	108.0	↑0.3
4/1 07:50	108.2	↑0.2
4/1 08:00	108.3	↑0.1	満潮
4/1 08:10	108.3	0	満潮
4/1 08:20	108.3	0
4/1 08:30	108.1	↓-0.2
4/1 08:40	107.8	↓-0.3
4/1 08:50	107.5	↓-0.3
4/1 09:00	107.0	↓-0.5
4/1 09:10	106.4	↓-0.6
4/1 09:20	105.7	↓-0.7
4/1 09:30	104.9	↓-0.8
4/1 09:40	104.1	↓-0.8
4/1 09:50	103.1	↓-1.0
4/1 10:00	102.1	↓-1.0
4/1 10:10	101.0	↓-1.1
4/1 10:20	99.8	↓-1.2
4/1 10:30	98.6	↓-1.2
4/1 10:40	97.2	↓-1.4
4/1 10:50	95.9	↓-1.3
4/1 11:00	94.4	↓-1.5
4/1 11:10	93.0	↓-1.4
4/1 11:20	91.4	↓-1.6
4/1 11:30	89.8	↓-1.6
4/1 11:40	88.2	↓-1.6
4/1 11:50	86.4	↓-1.8
4/1 12:00	84.7	↓-1.7
4/1 12:10	82.9	↓-1.8
4/1 12:20	81.0	↓-1.9
4/1 12:30	79.1	↓-1.9
4/1 12:40	77.2	↓-1.9
4/1 12:50	75.2	↓-2.0
4/1 13:00	73.2	↓-2.0
4/1 13:10	71.2	↓-2.0
4/1 13:20	69.1	↓-2.1	最大潮位差
4/1 13:30	67.1	↓-2.0
4/1 13:40	65.1	↓-2.0
4/1 13:50	63.1	↓-2.0
4/1 14:00	61.1	↓-2.0
4/1 14:10	59.1	↓-2.0
4/1 14:20	57.2	↓-1.9
4/1 14:30	55.3	↓-1.9
4/1 14:40	53.5	↓-1.8
4/1 14:50	51.8	↓-1.7
4/1 15:00	50.2	↓-1.6
4/1 15:10	48.6	↓-1.6
4/1 15:20	47.2	↓-1.4
4/1 15:30	45.8	↓-1.4
4/1 15:40	44.6	↓-1.2
4/1 15:50	43.5	↓-1.1
4/1 16:00	42.5	↓-1.0
4/1 16:10	41.6	↓-0.9
4/1 16:20	40.9	↓-0.7
4/1 16:30	40.3	↓-0.6
4/1 16:40	39.9	↓-0.4
4/1 16:50	39.6	↓-0.3
4/1 17:00	39.5	↓-0.1	干潮
4/1 17:10	39.5	0
4/1 17:20	39.6	↑0.1
4/1 17:30	40.0	↑0.4
4/1 17:40	40.4	↑0.4
4/1 17:50	41.1	↑0.7
4/1 18:00	41.9	↑0.8
4/1 18:10	42.8	↑0.9
4/1 18:20	43.9	↑1.1
4/1 18:30	45.2	↑1.3
4/1 18:40	46.5	↑1.3
4/1 18:50	48.0	↑1.5
4/1 19:00	49.6	↑1.6
4/1 19:10	51.3	↑1.7
4/1 19:20	53.1	↑1.8
4/1 19:30	55.0	↑1.9
4/1 19:40	57.0	↑2.0
4/1 19:50	59.0	↑2.0
4/1 20:00	61.0	↑2.0
4/1 20:10	63.1	↑2.1	最大潮位差
4/1 20:20	65.2	↑2.1	最大潮位差
4/1 20:30	67.3	↑2.1	最大潮位差
4/1 20:40	69.4	↑2.1	最大潮位差
4/1 20:50	71.5	↑2.1	最大潮位差
4/1 21:00	73.6	↑2.1	最大潮位差
4/1 21:10	75.6	↑2.0
4/1 21:20	77.5	↑1.9
4/1 21:30	79.4	↑1.9
4/1 21:40	81.3	↑1.9
4/1 21:50	83.1	↑1.8
4/1 22:00	84.8	↑1.7
4/1 22:10	86.4	↑1.6
4/1 22:20	88.0	↑1.6
4/1 22:30	89.4	↑1.4
4/1 22:40	90.8	↑1.4
4/1 22:50	92.1	↑1.3
4/1 23:00	93.3	↑1.2
4/1 23:10	94.4	↑1.1
4/1 23:20	95.4	↑1.0
4/1 23:30	96.3	↑0.9
4/1 23:40	97.2	↑0.9
4/1 23:50	97.9	↑0.7