12 (月)	03:13	09:38	15:59	21:51
	132cm	23cm	134cm	45cm
大潮 出 04:59 入 18:13 出 18:47 入 05:28 潮干狩り ○ 08:19～11:04

苫小牧（北海道）2055年04月12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
4/12 00:00	73.4	↑4.1
4/12 00:10	77.6	↑4.2
4/12 00:20	81.9	↑4.3
4/12 00:30	86.4	↑4.5
4/12 00:40	90.8	↑4.4
4/12 00:50	95.2	↑4.4
4/12 01:00	99.6	↑4.4
4/12 01:10	103.8	↑4.2
4/12 01:20	107.9	↑4.1
4/12 01:30	111.8	↑3.9
4/12 01:40	115.3	↑3.5
4/12 01:50	118.6	↑3.3
4/12 02:00	121.6	↑3.0
4/12 02:10	124.2	↑2.6
4/12 02:20	126.4	↑2.2
4/12 02:30	128.2	↑1.8
4/12 02:40	129.6	↑1.4
4/12 02:50	130.6	↑1.0
4/12 03:00	131.3	↑0.7
4/12 03:10	131.5	↑0.2	満潮
4/12 03:20	131.4	↓-0.1
4/12 03:30	131.0	↓-0.4
4/12 03:40	130.3	↓-0.7
4/12 03:50	129.2	↓-1.1
4/12 04:00	127.9	↓-1.3
4/12 04:10	126.3	↓-1.6
4/12 04:20	124.5	↓-1.8
4/12 04:30	122.4	↓-2.1
4/12 04:40	120.0	↓-2.4
4/12 04:50	117.5	↓-2.5
4/12 05:00	114.6	↓-2.9
4/12 05:10	111.6	↓-3.0
4/12 05:20	108.3	↓-3.3
4/12 05:30	104.8	↓-3.5
4/12 05:40	101.1	↓-3.7
4/12 05:50	97.1	↓-4.0
4/12 06:00	93.0	↓-4.1
4/12 06:10	88.6	↓-4.4
4/12 06:20	84.1	↓-4.5
4/12 06:30	79.5	↓-4.6
4/12 06:40	74.8	↓-4.7
4/12 06:50	70.1	↓-4.7
4/12 07:00	65.4	↓-4.7
4/12 07:10	60.7	↓-4.7
4/12 07:20	56.1	↓-4.6
4/12 07:30	51.6	↓-4.5
4/12 07:40	47.4	↓-4.2
4/12 07:50	43.4	↓-4.0
4/12 08:00	39.7	↓-3.7
4/12 08:10	36.3	↓-3.4
4/12 08:20	33.3	↓-3.0
4/12 08:30	30.6	↓-2.7
4/12 08:40	28.3	↓-2.3
4/12 08:50	26.4	↓-1.9
4/12 09:00	24.9	↓-1.5
4/12 09:10	23.7	↓-1.2
4/12 09:20	23.0	↓-0.7
4/12 09:30	22.6	↓-0.4	干潮
4/12 09:40	22.5	↓-0.1
4/12 09:50	22.8	↑0.3
4/12 10:00	23.4	↑0.6
4/12 10:10	24.3	↑0.9
4/12 10:20	25.5	↑1.2
4/12 10:30	27.0	↑1.5
4/12 10:40	28.7	↑1.7
4/12 10:50	30.8	↑2.1
4/12 11:00	33.1	↑2.3
4/12 11:10	35.7	↑2.6
4/12 11:20	38.5	↑2.8
4/12 11:30	41.7	↑3.2
4/12 11:40	45.1	↑3.4
4/12 11:50	48.8	↑3.7
4/12 12:00	52.7	↑3.9
4/12 12:10	56.9	↑4.2
4/12 12:20	61.3	↑4.4
4/12 12:30	66.0	↑4.7
4/12 12:40	70.7	↑4.7
4/12 12:50	75.6	↑4.9
4/12 13:00	80.6	↑5.0	最大潮位差
4/12 13:10	85.6	↑5.0	最大潮位差
4/12 13:20	90.5	↑4.9
4/12 13:30	95.4	↑4.9
4/12 13:40	100.1	↑4.7
4/12 13:50	104.7	↑4.6
4/12 14:00	109.0	↑4.3
4/12 14:10	113.0	↑4.0
4/12 14:20	116.8	↑3.8
4/12 14:30	120.2	↑3.4
4/12 14:40	123.2	↑3.0
4/12 14:50	125.8	↑2.6
4/12 15:00	128.0	↑2.2
4/12 15:10	129.9	↑1.9
4/12 15:20	131.4	↑1.5
4/12 15:30	132.5	↑1.1
4/12 15:40	133.2	↑0.7
4/12 15:50	133.6	↑0.4	満潮
4/12 16:00	133.7	↑0.1
4/12 16:10	133.5	↓-0.2
4/12 16:20	133.0	↓-0.5
4/12 16:30	132.2	↓-0.8
4/12 16:40	131.1	↓-1.1
4/12 16:50	129.8	↓-1.3
4/12 17:00	128.3	↓-1.5
4/12 17:10	126.4	↓-1.9
4/12 17:20	124.4	↓-2.0
4/12 17:30	122.0	↓-2.4
4/12 17:40	119.5	↓-2.5
4/12 17:50	116.6	↓-2.9
4/12 18:00	113.5	↓-3.1
4/12 18:10	110.2	↓-3.3
4/12 18:20	106.7	↓-3.5
4/12 18:30	102.9	↓-3.8
4/12 18:40	99.0	↓-3.9
4/12 18:50	94.9	↓-4.1
4/12 19:00	90.7	↓-4.2
4/12 19:10	86.4	↓-4.3
4/12 19:20	82.1	↓-4.3
4/12 19:30	77.8	↓-4.3
4/12 19:40	73.6	↓-4.2
4/12 19:50	69.6	↓-4.0
4/12 20:00	65.7	↓-3.9
4/12 20:10	62.0	↓-3.7
4/12 20:20	58.7	↓-3.3
4/12 20:30	55.6	↓-3.1
4/12 20:40	52.8	↓-2.8
4/12 20:50	50.5	↓-2.3
4/12 21:00	48.5	↓-2.0
4/12 21:10	46.8	↓-1.7
4/12 21:20	45.6	↓-1.2
4/12 21:30	44.7	↓-0.9
4/12 21:40	44.2	↓-0.5
4/12 21:50	44.0	↓-0.2	干潮
4/12 22:00	44.2	↑0.2
4/12 22:10	44.7	↑0.5
4/12 22:20	45.4	↑0.7
4/12 22:30	46.5	↑1.1
4/12 22:40	47.8	↑1.3
4/12 22:50	49.4	↑1.6
4/12 23:00	51.2	↑1.8
4/12 23:10	53.3	↑2.1
4/12 23:20	55.6	↑2.3
4/12 23:30	58.1	↑2.5
4/12 23:40	60.9	↑2.8
4/12 23:50	63.9	↑3.0