20 (火)	04:43	11:41	18:45	23:33
	135cm	9cm	111cm	86cm
中潮 出 04:45 入 18:22 出 22:59 入 06:46 潮干狩り ◎ 09:41～14:00

苫小牧（北海道）2060年04月20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
4/20 00:00	82.0	↑1.2
4/20 00:10	83.4	↑1.4
4/20 00:20	84.9	↑1.5
4/20 00:30	86.6	↑1.7
4/20 00:40	88.4	↑1.8
4/20 00:50	90.3	↑1.9
4/20 01:00	92.2	↑1.9
4/20 01:10	94.3	↑2.1
4/20 01:20	96.3	↑2.0
4/20 01:30	98.5	↑2.2
4/20 01:40	100.7	↑2.2
4/20 01:50	102.9	↑2.2
4/20 02:00	105.2	↑2.3
4/20 02:10	107.5	↑2.3
4/20 02:20	109.9	↑2.4
4/20 02:30	112.3	↑2.4
4/20 02:40	114.7	↑2.4
4/20 02:50	117.1	↑2.4
4/20 03:00	119.5	↑2.4
4/20 03:10	121.8	↑2.3
4/20 03:20	124.0	↑2.2
4/20 03:30	126.2	↑2.2
4/20 03:40	128.1	↑1.9
4/20 03:50	129.9	↑1.8
4/20 04:00	131.4	↑1.5
4/20 04:10	132.7	↑1.3
4/20 04:20	133.6	↑0.9
4/20 04:30	134.2	↑0.6
4/20 04:40	134.5	↑0.3	満潮
4/20 04:50	134.4	↓-0.1
4/20 05:00	133.8	↓-0.6
4/20 05:10	132.9	↓-0.9
4/20 05:20	131.6	↓-1.3
4/20 05:30	129.9	↓-1.7
4/20 05:40	127.8	↓-2.1
4/20 05:50	125.4	↓-2.4
4/20 06:00	122.7	↓-2.7
4/20 06:10	119.7	↓-3.0
4/20 06:20	116.4	↓-3.3
4/20 06:30	112.9	↓-3.5
4/20 06:40	109.3	↓-3.6
4/20 06:50	105.4	↓-3.9
4/20 07:00	101.5	↓-3.9
4/20 07:10	97.5	↓-4.0
4/20 07:20	93.3	↓-4.2
4/20 07:30	89.2	↓-4.1
4/20 07:40	84.9	↓-4.3
4/20 07:50	80.6	↓-4.3
4/20 08:00	76.3	↓-4.3
4/20 08:10	72.0	↓-4.3
4/20 08:20	67.7	↓-4.3
4/20 08:30	63.3	↓-4.4	最大潮位差
4/20 08:40	59.0	↓-4.3
4/20 08:50	54.7	↓-4.3
4/20 09:00	50.4	↓-4.3
4/20 09:10	46.1	↓-4.3
4/20 09:20	42.0	↓-4.1
4/20 09:30	37.9	↓-4.1
4/20 09:40	34.0	↓-3.9
4/20 09:50	30.2	↓-3.8
4/20 10:00	26.7	↓-3.5
4/20 10:10	23.3	↓-3.4
4/20 10:20	20.3	↓-3.0
4/20 10:30	17.5	↓-2.8
4/20 10:40	15.1	↓-2.4
4/20 10:50	13.0	↓-2.1
4/20 11:00	11.3	↓-1.7
4/20 11:10	9.9	↓-1.4
4/20 11:20	9.0	↓-0.9
4/20 11:30	8.4	↓-0.6
4/20 11:40	8.2	↓-0.2	干潮
4/20 11:50	8.4	↑0.2
4/20 12:00	8.9	↑0.5
4/20 12:10	9.8	↑0.9
4/20 12:20	10.9	↑1.1
4/20 12:30	12.4	↑1.5
4/20 12:40	14.0	↑1.6
4/20 12:50	15.9	↑1.9
4/20 13:00	18.0	↑2.1
4/20 13:10	20.3	↑2.3
4/20 13:20	22.8	↑2.5
4/20 13:30	25.4	↑2.6
4/20 13:40	28.1	↑2.7
4/20 13:50	31.0	↑2.9
4/20 14:00	34.0	↑3.0
4/20 14:10	37.2	↑3.2
4/20 14:20	40.5	↑3.3
4/20 14:30	43.9	↑3.4
4/20 14:40	47.4	↑3.5
4/20 14:50	51.0	↑3.6
4/20 15:00	54.7	↑3.7
4/20 15:10	58.5	↑3.8
4/20 15:20	62.4	↑3.9
4/20 15:30	66.3	↑3.9
4/20 15:40	70.3	↑4.0
4/20 15:50	74.2	↑3.9
4/20 16:00	78.0	↑3.8
4/20 16:10	81.8	↑3.8
4/20 16:20	85.4	↑3.6
4/20 16:30	88.9	↑3.5
4/20 16:40	92.1	↑3.2
4/20 16:50	95.2	↑3.1
4/20 17:00	98.0	↑2.8
4/20 17:10	100.5	↑2.5
4/20 17:20	102.7	↑2.2
4/20 17:30	104.6	↑1.9
4/20 17:40	106.3	↑1.7
4/20 17:50	107.6	↑1.3
4/20 18:00	108.7	↑1.1
4/20 18:10	109.5	↑0.8
4/20 18:20	110.1	↑0.6
4/20 18:30	110.4	↑0.3
4/20 18:40	110.6	↑0.2	満潮
4/20 18:50	110.6	0
4/20 19:00	110.4	↓-0.2
4/20 19:10	110.1	↓-0.3
4/20 19:20	109.8	↓-0.3
4/20 19:30	109.3	↓-0.5
4/20 19:40	108.7	↓-0.6
4/20 19:50	108.1	↓-0.6
4/20 20:00	107.4	↓-0.7
4/20 20:10	106.6	↓-0.8
4/20 20:20	105.8	↓-0.8
4/20 20:30	104.9	↓-0.9
4/20 20:40	103.9	↓-1.0
4/20 20:50	102.8	↓-1.1
4/20 21:00	101.7	↓-1.1
4/20 21:10	100.5	↓-1.2
4/20 21:20	99.2	↓-1.3
4/20 21:30	97.9	↓-1.3
4/20 21:40	96.5	↓-1.4
4/20 21:50	95.1	↓-1.4
4/20 22:00	93.7	↓-1.4
4/20 22:10	92.4	↓-1.3
4/20 22:20	91.1	↓-1.3
4/20 22:30	89.9	↓-1.2
4/20 22:40	88.8	↓-1.1
4/20 22:50	87.9	↓-0.9
4/20 23:00	87.1	↓-0.8
4/20 23:10	86.5	↓-0.6
4/20 23:20	86.1	↓-0.4
4/20 23:30	86.0	↓-0.1	干潮
4/20 23:40	86.1	↑0.1
4/20 23:50	86.4	↑0.3