9 (木)	10:56	02:42	19:35	13:55
	103cm	50cm	112cm	98cm
小潮 出 05:39 入 17:04 出 23:23 入 13:05

苫小牧（北海道）2031年10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
10/9 00:00	67.7	↓-2.2	最大潮位差
10/9 00:10	65.5	↓-2.2	最大潮位差
10/9 00:20	63.4	↓-2.1
10/9 00:30	61.4	↓-2.0
10/9 00:40	59.6	↓-1.8
10/9 00:50	57.9	↓-1.7
10/9 01:00	56.3	↓-1.6
10/9 01:10	54.9	↓-1.4
10/9 01:20	53.6	↓-1.3
10/9 01:30	52.6	↓-1.0
10/9 01:40	51.6	↓-1.0
10/9 01:50	50.9	↓-0.7
10/9 02:00	50.3	↓-0.6
10/9 02:10	49.8	↓-0.5
10/9 02:20	49.5	↓-0.3
10/9 02:30	49.3	↓-0.2
10/9 02:40	49.2	↓-0.1	干潮
10/9 02:50	49.3	↑0.1
10/9 03:00	49.4	↑0.1
10/9 03:10	49.7	↑0.3
10/9 03:20	50.0	↑0.3
10/9 03:30	50.5	↑0.5
10/9 03:40	51.1	↑0.6
10/9 03:50	51.8	↑0.7
10/9 04:00	52.7	↑0.9
10/9 04:10	53.6	↑0.9
10/9 04:20	54.7	↑1.1
10/9 04:30	56.0	↑1.3
10/9 04:40	57.3	↑1.3
10/9 04:50	58.8	↑1.5
10/9 05:00	60.5	↑1.7
10/9 05:10	62.2	↑1.7
10/9 05:20	64.1	↑1.9
10/9 05:30	66.1	↑2.0
10/9 05:40	68.1	↑2.0
10/9 05:50	70.2	↑2.1
10/9 06:00	72.4	↑2.2	最大潮位差
10/9 06:10	74.5	↑2.1
10/9 06:20	76.6	↑2.1
10/9 06:30	78.7	↑2.1
10/9 06:40	80.8	↑2.1
10/9 06:50	82.7	↑1.9
10/9 07:00	84.6	↑1.9
10/9 07:10	86.3	↑1.7
10/9 07:20	88.0	↑1.7
10/9 07:30	89.5	↑1.5
10/9 07:40	90.9	↑1.4
10/9 07:50	92.1	↑1.2
10/9 08:00	93.3	↑1.2
10/9 08:10	94.3	↑1.0
10/9 08:20	95.3	↑1.0
10/9 08:30	96.1	↑0.8
10/9 08:40	96.9	↑0.8
10/9 08:50	97.6	↑0.7
10/9 09:00	98.3	↑0.7
10/9 09:10	98.9	↑0.6
10/9 09:20	99.4	↑0.5
10/9 09:30	100.0	↑0.6
10/9 09:40	100.4	↑0.4
10/9 09:50	100.9	↑0.5
10/9 10:00	101.3	↑0.4
10/9 10:10	101.6	↑0.3
10/9 10:20	101.9	↑0.3
10/9 10:30	102.1	↑0.2
10/9 10:40	102.3	↑0.2
10/9 10:50	102.3	0	満潮
10/9 11:00	102.3	0
10/9 11:10	102.2	↓-0.1
10/9 11:20	102.1	↓-0.1
10/9 11:30	101.9	↓-0.2
10/9 11:40	101.6	↓-0.3
10/9 11:50	101.2	↓-0.4
10/9 12:00	100.8	↓-0.4
10/9 12:10	100.4	↓-0.4
10/9 12:20	99.9	↓-0.5
10/9 12:30	99.5	↓-0.4
10/9 12:40	99.0	↓-0.5
10/9 12:50	98.6	↓-0.4
10/9 13:00	98.3	↓-0.3
10/9 13:10	97.9	↓-0.4
10/9 13:20	97.7	↓-0.2
10/9 13:30	97.5	↓-0.2
10/9 13:40	97.4	↓-0.1
10/9 13:50	97.3	↓-0.1	干潮
10/9 14:00	97.3	0
10/9 14:10	97.4	↑0.1
10/9 14:20	97.5	↑0.1
10/9 14:30	97.7	↑0.2
10/9 14:40	97.9	↑0.2
10/9 14:50	98.1	↑0.2
10/9 15:00	98.4	↑0.3
10/9 15:10	98.7	↑0.3
10/9 15:20	99.0	↑0.3
10/9 15:30	99.4	↑0.4
10/9 15:40	99.7	↑0.3
10/9 15:50	100.1	↑0.4
10/9 16:00	100.5	↑0.4
10/9 16:10	100.9	↑0.4
10/9 16:20	101.3	↑0.4
10/9 16:30	101.8	↑0.5
10/9 16:40	102.2	↑0.4
10/9 16:50	102.8	↑0.6
10/9 17:00	103.4	↑0.6
10/9 17:10	104.0	↑0.6
10/9 17:20	104.6	↑0.6
10/9 17:30	105.3	↑0.7
10/9 17:40	106.0	↑0.7
10/9 17:50	106.8	↑0.8
10/9 18:00	107.5	↑0.7
10/9 18:10	108.2	↑0.7
10/9 18:20	109.0	↑0.8
10/9 18:30	109.6	↑0.6
10/9 18:40	110.2	↑0.6
10/9 18:50	110.7	↑0.5
10/9 19:00	111.2	↑0.5
10/9 19:10	111.5	↑0.3
10/9 19:20	111.7	↑0.2
10/9 19:30	111.9	↑0.2	満潮
10/9 19:40	111.8	↓-0.1
10/9 19:50	111.7	↓-0.1
10/9 20:00	111.4	↓-0.3
10/9 20:10	111.0	↓-0.4
10/9 20:20	110.5	↓-0.5
10/9 20:30	109.9	↓-0.6
10/9 20:40	109.2	↓-0.7
10/9 20:50	108.4	↓-0.8
10/9 21:00	107.6	↓-0.8
10/9 21:10	106.7	↓-0.9
10/9 21:20	105.7	↓-1.0
10/9 21:30	104.7	↓-1.0
10/9 21:40	103.6	↓-1.1
10/9 21:50	102.5	↓-1.1
10/9 22:00	101.4	↓-1.1
10/9 22:10	100.2	↓-1.2
10/9 22:20	99.0	↓-1.2
10/9 22:30	97.8	↓-1.2
10/9 22:40	96.5	↓-1.3
10/9 22:50	95.2	↓-1.3
10/9 23:00	93.8	↓-1.4
10/9 23:10	92.3	↓-1.5
10/9 23:20	90.8	↓-1.5
10/9 23:30	89.3	↓-1.5
10/9 23:40	87.6	↓-1.7
10/9 23:50	86.0	↓-1.6