9 (日)	00:38	04:45	09:08	17:47
	102cm	95cm	108cm	41cm
長潮 出 05:03 入 18:10 出 02:27 入 12:23

苫小牧（北海道）2056年04月9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
4/9 00:00	101.3	↑0.5
4/9 00:10	101.6	↑0.3
4/9 00:20	101.8	↑0.2
4/9 00:30	102.0	↑0.2	満潮
4/9 00:40	102.0	0
4/9 00:50	101.9	↓-0.1
4/9 01:00	101.7	↓-0.2
4/9 01:10	101.5	↓-0.2
4/9 01:20	101.2	↓-0.3
4/9 01:30	100.8	↓-0.4
4/9 01:40	100.4	↓-0.4
4/9 01:50	100.0	↓-0.4
4/9 02:00	99.6	↓-0.4
4/9 02:10	99.1	↓-0.5
4/9 02:20	98.6	↓-0.5
4/9 02:30	98.2	↓-0.4
4/9 02:40	97.7	↓-0.5
4/9 02:50	97.3	↓-0.4
4/9 03:00	96.8	↓-0.5
4/9 03:10	96.4	↓-0.4
4/9 03:20	96.0	↓-0.4
4/9 03:30	95.7	↓-0.3
4/9 03:40	95.3	↓-0.4
4/9 03:50	95.0	↓-0.3
4/9 04:00	94.8	↓-0.2
4/9 04:10	94.6	↓-0.2
4/9 04:20	94.4	↓-0.2
4/9 04:30	94.3	↓-0.1
4/9 04:40	94.2	↓-0.1	干潮
4/9 04:50	94.2	0
4/9 05:00	94.3	↑0.1
4/9 05:10	94.5	↑0.2
4/9 05:20	94.7	↑0.2
4/9 05:30	95.0	↑0.3
4/9 05:40	95.4	↑0.4
4/9 05:50	95.9	↑0.5
4/9 06:00	96.4	↑0.5
4/9 06:10	97.0	↑0.6
4/9 06:20	97.7	↑0.7
4/9 06:30	98.5	↑0.8
4/9 06:40	99.3	↑0.8
4/9 06:50	100.1	↑0.8
4/9 07:00	100.9	↑0.8
4/9 07:10	101.7	↑0.8
4/9 07:20	102.6	↑0.9
4/9 07:30	103.4	↑0.8
4/9 07:40	104.1	↑0.7
4/9 07:50	104.8	↑0.7
4/9 08:00	105.4	↑0.6
4/9 08:10	106.0	↑0.6
4/9 08:20	106.5	↑0.5
4/9 08:30	106.9	↑0.4
4/9 08:40	107.2	↑0.3
4/9 08:50	107.4	↑0.2
4/9 09:00	107.5	↑0.1	満潮
4/9 09:10	107.5	0
4/9 09:20	107.4	↓-0.1
4/9 09:30	107.3	↓-0.1
4/9 09:40	107.0	↓-0.3
4/9 09:50	106.7	↓-0.3
4/9 10:00	106.2	↓-0.5
4/9 10:10	105.7	↓-0.5
4/9 10:20	105.1	↓-0.6
4/9 10:30	104.4	↓-0.7
4/9 10:40	103.7	↓-0.7
4/9 10:50	102.8	↓-0.9
4/9 11:00	101.9	↓-0.9
4/9 11:10	100.8	↓-1.1
4/9 11:20	99.7	↓-1.1
4/9 11:30	98.5	↓-1.2
4/9 11:40	97.2	↓-1.3
4/9 11:50	95.9	↓-1.3
4/9 12:00	94.4	↓-1.5
4/9 12:10	92.8	↓-1.6
4/9 12:20	91.2	↓-1.6
4/9 12:30	89.4	↓-1.8
4/9 12:40	87.6	↓-1.8
4/9 12:50	85.7	↓-1.9
4/9 13:00	83.8	↓-1.9
4/9 13:10	81.8	↓-2.0
4/9 13:20	79.7	↓-2.1
4/9 13:30	77.7	↓-2.0
4/9 13:40	75.6	↓-2.1
4/9 13:50	73.4	↓-2.2
4/9 14:00	71.3	↓-2.1
4/9 14:10	69.2	↓-2.1
4/9 14:20	67.1	↓-2.1
4/9 14:30	65.0	↓-2.1
4/9 14:40	63.0	↓-2.0
4/9 14:50	61.0	↓-2.0
4/9 15:00	59.0	↓-2.0
4/9 15:10	57.1	↓-1.9
4/9 15:20	55.3	↓-1.8
4/9 15:30	53.5	↓-1.8
4/9 15:40	51.9	↓-1.6
4/9 15:50	50.3	↓-1.6
4/9 16:00	48.8	↓-1.5
4/9 16:10	47.4	↓-1.4
4/9 16:20	46.1	↓-1.3
4/9 16:30	45.0	↓-1.1
4/9 16:40	43.9	↓-1.1
4/9 16:50	43.0	↓-0.9
4/9 17:00	42.2	↓-0.8
4/9 17:10	41.6	↓-0.6
4/9 17:20	41.1	↓-0.5
4/9 17:30	40.7	↓-0.4
4/9 17:40	40.6	↓-0.1	干潮
4/9 17:50	40.5	↓-0.1
4/9 18:00	40.7	↑0.2
4/9 18:10	41.0	↑0.3
4/9 18:20	41.5	↑0.5
4/9 18:30	42.2	↑0.7
4/9 18:40	43.0	↑0.8
4/9 18:50	43.9	↑0.9
4/9 19:00	45.1	↑1.2
4/9 19:10	46.3	↑1.2
4/9 19:20	47.7	↑1.4
4/9 19:30	49.3	↑1.6
4/9 19:40	50.9	↑1.6
4/9 19:50	52.7	↑1.8
4/9 20:00	54.5	↑1.8
4/9 20:10	56.4	↑1.9
4/9 20:20	58.4	↑2.0
4/9 20:30	60.4	↑2.0
4/9 20:40	62.5	↑2.1
4/9 20:50	64.7	↑2.2
4/9 21:00	66.8	↑2.1
4/9 21:10	69.0	↑2.2
4/9 21:20	71.2	↑2.2
4/9 21:30	73.4	↑2.2
4/9 21:40	75.7	↑2.3	最大潮位差
4/9 21:50	77.8	↑2.1
4/9 22:00	80.0	↑2.2
4/9 22:10	82.2	↑2.2
4/9 22:20	84.3	↑2.1
4/9 22:30	86.3	↑2.0
4/9 22:40	88.4	↑2.1
4/9 22:50	90.3	↑1.9
4/9 23:00	92.2	↑1.9
4/9 23:10	94.0	↑1.8
4/9 23:20	95.8	↑1.8
4/9 23:30	97.4	↑1.6
4/9 23:40	98.9	↑1.5
4/9 23:50	100.3	↑1.4