1 (水)	03:10	09:08	15:08	21:37
	139cm	52cm	141cm	27cm
大潮 出 05:30 入 17:18 出 17:16 入 05:44

苫小牧（北海道）2031年10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
10/1 00:00	83.8	↑4.6
10/1 00:10	88.4	↑4.6
10/1 00:20	93.1	↑4.7
10/1 00:30	97.7	↑4.6
10/1 00:40	102.3	↑4.6
10/1 00:50	106.7	↑4.4
10/1 01:00	111.0	↑4.3
10/1 01:10	115.0	↑4.0
10/1 01:20	118.8	↑3.8
10/1 01:30	122.4	↑3.6
10/1 01:40	125.6	↑3.2
10/1 01:50	128.4	↑2.8
10/1 02:00	131.0	↑2.6
10/1 02:10	133.1	↑2.1
10/1 02:20	134.9	↑1.8
10/1 02:30	136.4	↑1.5
10/1 02:40	137.5	↑1.1
10/1 02:50	138.2	↑0.7
10/1 03:00	138.7	↑0.5	満潮
10/1 03:10	138.8	↑0.1	満潮
10/1 03:20	138.6	↓-0.2
10/1 03:30	138.2	↓-0.4
10/1 03:40	137.4	↓-0.8
10/1 03:50	136.4	↓-1.0
10/1 04:00	135.2	↓-1.2
10/1 04:10	133.7	↓-1.5
10/1 04:20	131.9	↓-1.8
10/1 04:30	129.9	↓-2.0
10/1 04:40	127.7	↓-2.2
10/1 04:50	125.2	↓-2.5
10/1 05:00	122.4	↓-2.8
10/1 05:10	119.4	↓-3.0
10/1 05:20	116.2	↓-3.2
10/1 05:30	112.8	↓-3.4
10/1 05:40	109.2	↓-3.6
10/1 05:50	105.4	↓-3.8
10/1 06:00	101.5	↓-3.9
10/1 06:10	97.4	↓-4.1
10/1 06:20	93.3	↓-4.1
10/1 06:30	89.2	↓-4.1
10/1 06:40	85.2	↓-4.0
10/1 06:50	81.2	↓-4.0
10/1 07:00	77.3	↓-3.9
10/1 07:10	73.6	↓-3.7
10/1 07:20	70.1	↓-3.5
10/1 07:30	66.8	↓-3.3
10/1 07:40	63.8	↓-3.0
10/1 07:50	61.1	↓-2.7
10/1 08:00	58.8	↓-2.3
10/1 08:10	56.7	↓-2.1
10/1 08:20	55.1	↓-1.6
10/1 08:30	53.7	↓-1.4
10/1 08:40	52.7	↓-1.0
10/1 08:50	52.0	↓-0.7
10/1 09:00	51.7	↓-0.3	干潮
10/1 09:10	51.6	↓-0.1
10/1 09:20	51.8	↑0.2
10/1 09:30	52.3	↑0.5
10/1 09:40	53.1	↑0.8
10/1 09:50	54.1	↑1.0
10/1 10:00	55.4	↑1.3
10/1 10:10	56.9	↑1.5
10/1 10:20	58.6	↑1.7
10/1 10:30	60.6	↑2.0
10/1 10:40	62.8	↑2.2
10/1 10:50	65.3	↑2.5
10/1 11:00	67.9	↑2.6
10/1 11:10	70.9	↑3.0
10/1 11:20	74.0	↑3.1
10/1 11:30	77.3	↑3.3
10/1 11:40	80.9	↑3.6
10/1 11:50	84.6	↑3.7
10/1 12:00	88.5	↑3.9
10/1 12:10	92.6	↑4.1
10/1 12:20	96.7	↑4.1
10/1 12:30	100.8	↑4.1
10/1 12:40	105.0	↑4.2
10/1 12:50	109.1	↑4.1
10/1 13:00	113.1	↑4.0
10/1 13:10	117.0	↑3.9
10/1 13:20	120.7	↑3.7
10/1 13:30	124.2	↑3.5
10/1 13:40	127.4	↑3.2
10/1 13:50	130.3	↑2.9
10/1 14:00	132.8	↑2.5
10/1 14:10	135.0	↑2.2
10/1 14:20	136.9	↑1.9
10/1 14:30	138.4	↑1.5
10/1 14:40	139.5	↑1.1
10/1 14:50	140.3	↑0.8
10/1 15:00	140.7	↑0.4	満潮
10/1 15:10	140.7	0
10/1 15:20	140.5	↓-0.2
10/1 15:30	139.9	↓-0.6
10/1 15:40	139.0	↓-0.9
10/1 15:50	137.9	↓-1.1
10/1 16:00	136.4	↓-1.5
10/1 16:10	134.8	↓-1.6
10/1 16:20	132.8	↓-2.0
10/1 16:30	130.6	↓-2.2
10/1 16:40	128.2	↓-2.4
10/1 16:50	125.4	↓-2.8
10/1 17:00	122.5	↓-2.9
10/1 17:10	119.2	↓-3.3
10/1 17:20	115.8	↓-3.4
10/1 17:30	112.0	↓-3.8
10/1 17:40	108.0	↓-4.0
10/1 17:50	103.8	↓-4.2
10/1 18:00	99.4	↓-4.4
10/1 18:10	94.8	↓-4.6
10/1 18:20	90.0	↓-4.8
10/1 18:30	85.2	↓-4.8
10/1 18:40	80.2	↓-5.0	最大潮位差
10/1 18:50	75.2	↓-5.0	最大潮位差
10/1 19:00	70.3	↓-4.9
10/1 19:10	65.4	↓-4.9
10/1 19:20	60.7	↓-4.7
10/1 19:30	56.1	↓-4.6
10/1 19:40	51.7	↓-4.4
10/1 19:50	47.6	↓-4.1
10/1 20:00	43.9	↓-3.7
10/1 20:10	40.4	↓-3.5
10/1 20:20	37.3	↓-3.1
10/1 20:30	34.6	↓-2.7
10/1 20:40	32.3	↓-2.3
10/1 20:50	30.4	↓-1.9
10/1 21:00	28.8	↓-1.6
10/1 21:10	27.7	↓-1.1
10/1 21:20	26.9	↓-0.8
10/1 21:30	26.5	↓-0.4	干潮
10/1 21:40	26.5	0
10/1 21:50	26.8	↑0.3
10/1 22:00	27.4	↑0.6
10/1 22:10	28.3	↑0.9
10/1 22:20	29.6	↑1.3
10/1 22:30	31.2	↑1.6
10/1 22:40	33.0	↑1.8
10/1 22:50	35.2	↑2.2
10/1 23:00	37.7	↑2.5
10/1 23:10	40.5	↑2.8
10/1 23:20	43.6	↑3.1
10/1 23:30	47.0	↑3.4
10/1 23:40	50.7	↑3.7
10/1 23:50	54.7	↑4.0