09 (水)	03:33	10:14	16:51	22:21
	137cm	8cm	128cm	62cm
中潮 出 05:04 入 18:09 出 20:07 入 05:31 潮干狩り ◎ 08:21～12:25

苫小牧（北海道）2031年04月09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	76.2	↑2.9
4/9 00:10	79.2	↑3.0
4/9 00:20	82.4	↑3.2
4/9 00:30	85.8	↑3.4
4/9 00:40	89.3	↑3.5
4/9 00:50	92.9	↑3.6
4/9 01:00	96.6	↑3.7
4/9 01:10	100.4	↑3.8
4/9 01:20	104.2	↑3.8
4/9 01:30	108.1	↑3.9
4/9 01:40	111.8	↑3.7
4/9 01:50	115.5	↑3.7
4/9 02:00	119.0	↑3.5
4/9 02:10	122.4	↑3.4
4/9 02:20	125.4	↑3.0
4/9 02:30	128.2	↑2.8
4/9 02:40	130.6	↑2.4
4/9 02:50	132.7	↑2.1
4/9 03:00	134.3	↑1.6
4/9 03:10	135.6	↑1.3
4/9 03:20	136.3	↑0.7
4/9 03:30	136.7	↑0.4	満潮
4/9 03:40	136.5	↓-0.2
4/9 03:50	136.0	↓-0.5
4/9 04:00	135.0	↓-1.0
4/9 04:10	133.7	↓-1.3
4/9 04:20	132.0	↓-1.7
4/9 04:30	129.9	↓-2.1
4/9 04:40	127.5	↓-2.4
4/9 04:50	124.9	↓-2.6
4/9 05:00	122.0	↓-2.9
4/9 05:10	118.9	↓-3.1
4/9 05:20	115.6	↓-3.3
4/9 05:30	112.1	↓-3.5
4/9 05:40	108.4	↓-3.7
4/9 05:50	104.5	↓-3.9
4/9 06:00	100.5	↓-4.0
4/9 06:10	96.3	↓-4.2
4/9 06:20	92.0	↓-4.3
4/9 06:30	87.5	↓-4.5
4/9 06:40	82.9	↓-4.6
4/9 06:50	78.2	↓-4.7
4/9 07:00	73.3	↓-4.9
4/9 07:10	68.4	↓-4.9
4/9 07:20	63.4	↓-5.0
4/9 07:30	58.3	↓-5.1	最大潮位差
4/9 07:40	53.3	↓-5.0
4/9 07:50	48.3	↓-5.0
4/9 08:00	43.5	↓-4.8
4/9 08:10	38.7	↓-4.8
4/9 08:20	34.2	↓-4.5
4/9 08:30	29.9	↓-4.3
4/9 08:40	25.8	↓-4.1
4/9 08:50	22.2	↓-3.6
4/9 09:00	18.8	↓-3.4
4/9 09:10	15.9	↓-2.9
4/9 09:20	13.4	↓-2.5
4/9 09:30	11.3	↓-2.1
4/9 09:40	9.7	↓-1.6
4/9 09:50	8.5	↓-1.2
4/9 10:00	7.7	↓-0.8
4/9 10:10	7.4	↓-0.3	干潮
4/9 10:20	7.4	0
4/9 10:30	7.9	↑0.5
4/9 10:40	8.7	↑0.8
4/9 10:50	9.8	↑1.1
4/9 11:00	11.3	↑1.5
4/9 11:10	13.0	↑1.7
4/9 11:20	15.1	↑2.1
4/9 11:30	17.3	↑2.2
4/9 11:40	19.9	↑2.6
4/9 11:50	22.6	↑2.7
4/9 12:00	25.6	↑3.0
4/9 12:10	28.9	↑3.3
4/9 12:20	32.3	↑3.4
4/9 12:30	36.0	↑3.7
4/9 12:40	40.0	↑4.0
4/9 12:50	44.1	↑4.1
4/9 13:00	48.4	↑4.3
4/9 13:10	53.0	↑4.6
4/9 13:20	57.7	↑4.7
4/9 13:30	62.6	↑4.9
4/9 13:40	67.5	↑4.9
4/9 13:50	72.5	↑5.0
4/9 14:00	77.6	↑5.1	最大潮位差
4/9 14:10	82.6	↑5.0
4/9 14:20	87.6	↑5.0
4/9 14:30	92.4	↑4.8
4/9 14:40	97.0	↑4.6
4/9 14:50	101.5	↑4.5
4/9 15:00	105.6	↑4.1
4/9 15:10	109.4	↑3.8
4/9 15:20	112.9	↑3.5
4/9 15:30	116.0	↑3.1
4/9 15:40	118.7	↑2.7
4/9 15:50	121.0	↑2.3
4/9 16:00	123.0	↑2.0
4/9 16:10	124.5	↑1.5
4/9 16:20	125.6	↑1.1
4/9 16:30	126.4	↑0.8
4/9 16:40	126.9	↑0.5
4/9 16:50	127.0	↑0.1	満潮
4/9 17:00	126.9	↓-0.1
4/9 17:10	126.5	↓-0.4
4/9 17:20	125.9	↓-0.6
4/9 17:30	125.0	↓-0.9
4/9 17:40	124.0	↓-1.0
4/9 17:50	122.7	↓-1.3
4/9 18:00	121.3	↓-1.4
4/9 18:10	119.6	↓-1.7
4/9 18:20	117.8	↓-1.8
4/9 18:30	115.9	↓-1.9
4/9 18:40	113.7	↓-2.2
4/9 18:50	111.3	↓-2.4
4/9 19:00	108.8	↓-2.5
4/9 19:10	106.1	↓-2.7
4/9 19:20	103.3	↓-2.8
4/9 19:30	100.3	↓-3.0
4/9 19:40	97.1	↓-3.2
4/9 19:50	93.9	↓-3.2
4/9 20:00	90.6	↓-3.3
4/9 20:10	87.3	↓-3.3
4/9 20:20	84.0	↓-3.3
4/9 20:30	80.8	↓-3.2
4/9 20:40	77.7	↓-3.1
4/9 20:50	74.7	↓-3.0
4/9 21:00	72.0	↓-2.7
4/9 21:10	69.5	↓-2.5
4/9 21:20	67.3	↓-2.2
4/9 21:30	65.4	↓-1.9
4/9 21:40	63.8	↓-1.6
4/9 21:50	62.6	↓-1.2
4/9 22:00	61.7	↓-0.9
4/9 22:10	61.2	↓-0.5
4/9 22:20	61.0	↓-0.2	干潮
4/9 22:30	61.2	↑0.2
4/9 22:40	61.7	↑0.5
4/9 22:50	62.5	↑0.8
4/9 23:00	63.6	↑1.1
4/9 23:10	64.9	↑1.3
4/9 23:20	66.5	↑1.6
4/9 23:30	68.2	↑1.7
4/9 23:40	70.2	↑2.0
4/9 23:50	72.3	↑2.1