9 (木)	03:38	10:04	16:27	22:17
	134cm	18cm	135cm	47cm
大潮 出 05:03 入 18:10 出 19:36 入 05:54 潮干狩り ○ 08:33～11:44

苫小牧（北海道）2020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	63.1	↑3.5
4/9 00:10	66.9	↑3.8
4/9 00:20	70.9	↑4.0
4/9 00:30	75.1	↑4.2
4/9 00:40	79.4	↑4.3
4/9 00:50	83.9	↑4.5
4/9 01:00	88.4	↑4.5
4/9 01:10	92.9	↑4.5
4/9 01:20	97.4	↑4.5
4/9 01:30	101.8	↑4.4
4/9 01:40	106.1	↑4.3
4/9 01:50	110.2	↑4.1
4/9 02:00	114.1	↑3.9
4/9 02:10	117.7	↑3.6
4/9 02:20	121.0	↑3.3
4/9 02:30	124.0	↑3.0
4/9 02:40	126.5	↑2.5
4/9 02:50	128.7	↑2.2
4/9 03:00	130.4	↑1.7
4/9 03:10	131.7	↑1.3
4/9 03:20	132.6	↑0.9
4/9 03:30	133.1	↑0.5	満潮
4/9 03:40	133.2	↑0.1
4/9 03:50	132.9	↓-0.3
4/9 04:00	132.2	↓-0.7
4/9 04:10	131.2	↓-1.0
4/9 04:20	129.9	↓-1.3
4/9 04:30	128.3	↓-1.6
4/9 04:40	126.4	↓-1.9
4/9 04:50	124.3	↓-2.1
4/9 05:00	121.9	↓-2.4
4/9 05:10	119.2	↓-2.7
4/9 05:20	116.3	↓-2.9
4/9 05:30	113.2	↓-3.1
4/9 05:40	109.9	↓-3.3
4/9 05:50	106.3	↓-3.6
4/9 06:00	102.5	↓-3.8
4/9 06:10	98.5	↓-4.0
4/9 06:20	94.3	↓-4.2
4/9 06:30	89.9	↓-4.4
4/9 06:40	85.3	↓-4.6
4/9 06:50	80.6	↓-4.7
4/9 07:00	75.8	↓-4.8
4/9 07:10	70.9	↓-4.9
4/9 07:20	66.0	↓-4.9
4/9 07:30	61.0	↓-5.0
4/9 07:40	56.2	↓-4.8
4/9 07:50	51.4	↓-4.8
4/9 08:00	46.9	↓-4.5
4/9 08:10	42.5	↓-4.4
4/9 08:20	38.4	↓-4.1
4/9 08:30	34.6	↓-3.8
4/9 08:40	31.2	↓-3.4
4/9 08:50	28.1	↓-3.1
4/9 09:00	25.4	↓-2.7
4/9 09:10	23.1	↓-2.3
4/9 09:20	21.2	↓-1.9
4/9 09:30	19.7	↓-1.5
4/9 09:40	18.6	↓-1.1
4/9 09:50	18.0	↓-0.6
4/9 10:00	17.7	↓-0.3	干潮
4/9 10:10	17.8	↑0.1
4/9 10:20	18.2	↑0.4
4/9 10:30	19.0	↑0.8
4/9 10:40	20.1	↑1.1
4/9 10:50	21.5	↑1.4
4/9 11:00	23.1	↑1.6
4/9 11:10	25.1	↑2.0
4/9 11:20	27.4	↑2.3
4/9 11:30	29.9	↑2.5
4/9 11:40	32.8	↑2.9
4/9 11:50	35.9	↑3.1
4/9 12:00	39.2	↑3.3
4/9 12:10	42.9	↑3.7
4/9 12:20	46.8	↑3.9
4/9 12:30	50.9	↑4.1
4/9 12:40	55.3	↑4.4
4/9 12:50	60.0	↑4.7
4/9 13:00	64.8	↑4.8
4/9 13:10	69.7	↑4.9
4/9 13:20	74.8	↑5.1
4/9 13:30	79.9	↑5.1
4/9 13:40	85.1	↑5.2	最大潮位差
4/9 13:50	90.2	↑5.1
4/9 14:00	95.3	↑5.1
4/9 14:10	100.2	↑4.9
4/9 14:20	104.8	↑4.6
4/9 14:30	109.3	↑4.5
4/9 14:40	113.5	↑4.2
4/9 14:50	117.3	↑3.8
4/9 15:00	120.8	↑3.5
4/9 15:10	123.9	↑3.1
4/9 15:20	126.6	↑2.7
4/9 15:30	128.9	↑2.3
4/9 15:40	130.7	↑1.8
4/9 15:50	132.2	↑1.5
4/9 16:00	133.3	↑1.1
4/9 16:10	134.1	↑0.8
4/9 16:20	134.5	↑0.4	満潮
4/9 16:30	134.5	0
4/9 16:40	134.2	↓-0.3
4/9 16:50	133.7	↓-0.5
4/9 17:00	132.8	↓-0.9
4/9 17:10	131.7	↓-1.1
4/9 17:20	130.4	↓-1.3
4/9 17:30	128.7	↓-1.7
4/9 17:40	126.9	↓-1.8
4/9 17:50	124.8	↓-2.1
4/9 18:00	122.4	↓-2.4
4/9 18:10	119.8	↓-2.6
4/9 18:20	117.0	↓-2.8
4/9 18:30	113.9	↓-3.1
4/9 18:40	110.6	↓-3.3
4/9 18:50	107.1	↓-3.5
4/9 19:00	103.4	↓-3.7
4/9 19:10	99.5	↓-3.9
4/9 19:20	95.5	↓-4.0
4/9 19:30	91.4	↓-4.1
4/9 19:40	87.2	↓-4.2
4/9 19:50	83.0	↓-4.2
4/9 20:00	78.8	↓-4.2
4/9 20:10	74.8	↓-4.0
4/9 20:20	70.8	↓-4.0
4/9 20:30	67.0	↓-3.8
4/9 20:40	63.5	↓-3.5
4/9 20:50	60.2	↓-3.3
4/9 21:00	57.3	↓-2.9
4/9 21:10	54.7	↓-2.6
4/9 21:20	52.4	↓-2.3
4/9 21:30	50.5	↓-1.9
4/9 21:40	49.0	↓-1.5
4/9 21:50	47.9	↓-1.1
4/9 22:00	47.2	↓-0.7
4/9 22:10	46.8	↓-0.4	干潮
4/9 22:20	46.8	0
4/9 22:30	47.1	↑0.3
4/9 22:40	47.7	↑0.6
4/9 22:50	48.7	↑1.0
4/9 23:00	49.9	↑1.2
4/9 23:10	51.3	↑1.4
4/9 23:20	53.1	↑1.8
4/9 23:30	55.0	↑1.9
4/9 23:40	57.2	↑2.2
4/9 23:50	59.6	↑2.4